WIKA CTB9100-225 Operating Instructions Manual

GB

PL

Operating Instructions

Instrukcja obsługi

Temperature Dry Well Calibrators/Micro Calibration Baths

Kalibrator temperatury z suchym otworem pomiarowym / Kalibrator kąpielowy - mikro

CTD9100-165/-450/-650

CTB9100-165/-225

Kalibrator temperatury z suchym otworem pomiarowym / Kalibrator kąpielowy - mikro

GB

PL

11263911 04/2007 GB/D

WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths2

Information!

This symbol provides you with information, notes and tips.

Caution!

General point of hazard! Please heed the operating instructions.

Danger!

Hazard of personal injury through electric voltage.

Danger!

Hazard of personal injury through high temperatures.

Temperature Dry Well Calibrators/Micro Calibration Baths Page 2 - 39

Kalibrator temperatury z suchym otworem pomiarowym / Strona 40 - 80

Kalibrator kąpielowy - mikro

3

1. Device Description and Intended Use 4

2.

Safety Instructions 6

3.

Unpacking and Inspecting the Delivery 8

4. Description of the Controls 9

5. Start-up of the Calibrator/Micro Calibration Bath 11

6. Operating the Calibrator/Micro Calibration Bath 14

7. Error Messages 25

8. Cooling Down of the Metal Block/Liquid Bath 25

9. Cleaning and Maintenance 26

10. Warranty and Repairs 26

11. Recalibrating 26

12.

Decommissioning and Disposal 27

13.

Technical Data 28

WIKA Service 80

GB

Contents

Temperature Dry Well Calibrators/Micro Calibration Baths

CTD9100/CTB9100

11263911 04/2007 GB/D

WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths

GB

Temperature Dry Well Calibrators/Micro Calibration Baths

CTD9100/CTB9100

11263911 04/2007 GB/D

WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths4

The calibrator/micro calibration bath is a portale unit

for service, industry and laboratory tasks. The WIKA

temperature calibrators/micro calibration baths are

intended to calibrate thermometers, temperature

switches/thermostats, resistance thermometers

and thermal elements. The operational safety of the

supplied instruments is only guaranteed if they are

operated according to their intended use (inspection

of temperature sensors). Specified limit values (see

“Technical Data”) should never be exceeded.

It is your responsibility to select the instrument

which is suitable for your specific application,

to connect it correctly, to carry out tests and to

maintain all the components.

Various instrument versions are manufactured.

The respective type label on the calibrator/micro

calibration bath displays the version of each device.

These operating instructions apply to the following

calibrator/micro calibration bath types:

1. Device Description and Intended Use

Temperature calibrators

CTD9100-165 (cooling and heating)

CTD9100-450 (heating)

CTD9100-650 (heating)

Micro calibration baths

CTB9100-165 (cooling and heating)

CTB9100-225 (heating)

The calibrator/micro calibration bath consists of a

rugged grey and blue steel housing with carrying

handle.

The rear part of the housing contains a metal

block/liquid bath with a hole, accessible from the

top, for the test specimen fixture.

The heating or cooling elements and the

temperature sensor for determining the reference

temperature are integrated in the metal block/liquid

bath.

The metal block/liquid bath is heat insulated.



Fig. 1: Temperature calibrator

CTD9100-650

Fig. 2: Temperature calibrator

CTD9100-165

Fig. 3: Micro calibration bath

CTB91000-165

The front part of the housing contains the com-

plete electronic unit for controlling the reference

temperature.

Solid state relays (SSR) are used to control the

heating and cooling elements.

A controller equipped with a 7-segment LED

(2 lines, 4 digits) for the reference and set

temperature is located on the front plate.

The micro calibration bath also has a thumb wheel

for controlling the stirring speed.

5

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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths

Front and top

At the top you will find the dry well access opening

for the inserts for models:

CTD9100-165: Ø 28 mm x 150 mm

CTD9100-450: Ø 60 mm x 150 mm

CTD9100-650: Ø 28 mm x 150 mm

The controller with display and the four button

control pad are positioned at the front.

Rear

At the rear you will find the type label with important

information about the individual model:

CTD9100-165: range -30 °C ...+165 °C

CTD9100-450: range 40 °C ... 450 °C

CTD9100-650: range 40 °C ... 650 °C

The suitable line voltage and frequency is printed:

115 VAC, 50...60 Hz or 230 VAC, 50...60 Hz

100 VAC...240 VAC, 50...60 Hz

Further you will find the individual serial number, e.g.

S/N 550 33 44, the instrument‘s power consumption

and the fuse rating.

Bottom

Mains connector, power switch and fuse holder are

positioned at the bottom of the instrument close to

the front.

Furthermore the fans air inlet(s) can be found

there - one or two - depending on the model.

Do not obstruct air inlets.



Fig. 4: Component description

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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths6

2. Safety Instructions

Always read the operating instructions carefully

prior to using the new product. Always adhere to the

instructions contained herein, especially the safety

instructions; otherwise, there is a potential risk of

operator injury and damage to the calibrator and the

sensors being tested.

Even though WIKA provides assistance for the use

of the product through personal consultation or the

respective literature, it is the responsibility of the

customer to determine the suitability of the product

for the specific application.

The temperature calibrator/micro calibration bath

is a state-of-the-art device. This relates to the

accuracy, functioning and the safe operation of

the calibrator/micro calibration bath. However,

professional and safety conscious conduct of the

operator is required to ensure safe operation.

2.1 Qualified personnel

The personnel entrusted with start-up, operation

and maintenance of the calibrator/micro

calibration bath have to be suitably qualified; the

required knowLEDge can be gained via train-

ing courses or appropriate on-the-job instruc-

tion. The personnel have to be familiar with the

contents of these instructions, which have to be

available to them at all times.

·The electrical connection should only be carried

out by a fully qualified electrician.

·All work has to be carried out in accordance

with existing national regulations on accident

prevention and safety at work and with any

internal regulations of the operator, even if they

are not specified in these instructions.

Always observe the safety information contained

in these operating instructions.

2.2 Basic safety regulations

·Only operate the calibrator/micro calibration bath

when it is in correct, fully functional condition.

The calibrator/micro calibration bath is energized

with hazardous voltages via a mains cable.

Improper use can result in personal injuries.

Correct and safe operation of the calibrator/

micro calibration bath demands correct

transport, storage, installation and assembly,

as well as proper use and careful operation and

maintenance.

The calibrator/micro calibration bath should only

be used for its intended purpose. Furthermore,



hazardous media should not be used and all

technical specifications have to be observed.

If faults cannot be cleared, immediately shut

down the calibrator/micro calibration bath and

ensure that it cannot be started up accidentally.

Repairs should only be carried out by the

manufacturer. Tampering with or modifying

the calibrator/micro calibration bath is strictly

prohibited.

Prior to replacing the safety fuse, always de-

energize the calibrator/micro calibration bath

completely by disconnecting the mains cable

from the mains outlet.

Ensure that the complete operating instructions

are always available in excellent condition at the

calibrator/micro calibration bath installation site.

Ensure that calibrator/micro calibration bath

operators receive regular instruction in the

various aspects of occupational health and

safety and environmental protection and have full

knowLEDge of these operating instructions and

the safety information contained herein.

·

Thermal fuse

For protection purposes, the calibrator/micro

calibration bath is equipped with an autonomous

thermal fuse, which interrupts the power supply

to the heater if the temperature exceeds a

certain value inside the housing. Once the

metal bock/liquid bath has cooLED down,

the calibrator/micro calibration bath has to be

returned to WIKA for inspection.

The calibrator/micro calibration bath has

been designed as a measurement and control

instrument. If the calibrator/micro calibration

bath is used for purposes not expressly specified

in these operating instructions, additional safety

measures have to be taken.

The calibrator/micro calibration bath should NOT

be used in explosive atmospheres without

appropriate protection (flammable or explosive

atmospheres).

If malfunctioning of the calibrator/micro

calibration bath can result in personal injuries

or damage to property, the system has to be

protected with additional electromechanical

protective equipment.



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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths

2.3 Safety instructions for the application of

calibration liquids

Calibration liquid water:

Only use distilLED water, otherwise excessive

limescale and soiling will build up in the

calibrator tank.

Calibration liquid silicone oil:

Only use the silicone oil recommended in these

operating instructions.

Always read the safety data sheet supplied with

the silicone oil before using it.

Always ensure adequate ventilation when

working with silicone oil, since hazardous

substances can be released.

Prevent silicone oil from coming into contact with

your eyes.

Since silicone oil is hygroscopic, always use the

transport lid to close the calibration bath after

use.

The transport lid is equipped with a safety

valve. If the micro calibration bath is closed

when warm, impermissible pressure can build

up. In order to prevent excess pressure which

can destroy the liquid bath, the safety valve is

activated once the pressure reaches approx. 2.5

bar. This can result in hot steam being released.



Risk of severe burns!

Prior to transport or contact with

the metal block/liquid bath ensure

that it has cooLED down sufficiently,

otherwise there is a risk of severe

burns caused by the metal block/

liquid bath and the test specimen.

If problems or questions arise, please contact your

supplier or the manufacturer directly:

Alexander Wiegand GmbH & Co. KG

Alexander-Wiegand-Straße, 63911 Klingenberg,

Germany

Tel: +49 9372 132 9986, Fax: +49 09372 132 217

Email: [email protected], www.wika.de

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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths8

3. Unpacking and Inspecting the Delivery

Unpack your calibrator/micro calibration bath.

The calibrator/micro calibration bath is delivered

in special protective packaging. Keep this

protective packaging for sending the instrument for

recalibration or repairs to the manufacturer.

Inspect the delivery first.

Standard delivery temperature calibrator:

Calibrator

Sleeve remover

Mains connection cable

Test certificate

Operating instructions



Standard delivery micro calibration bath:

Calibration bath

Transport lid

Sensor cage

Magnetic stirrer

Mains connection cable

Test certificate

Operating instructions



9

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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths

4. Description of the Controls

4.1 Front of the controller (controller type TLK

32)

1 P key

Accessing the default set temperature

Accessing menu items and parameters

Confirming inputs

2  key

Reducing the setting values

Selecting individual menu items

Returning to the previous menu level

3 5 key

Increasing the setting values

Selecting individual menu items

Returning to the previous menu level

4 U key

Retrieving the saved set temperatures (only for

the S version)

5 LED OUT 1

Signals the status of the output for the

temperature control

If the LED OUT 1 lights up, the calibrator/micro

calibration bath is heating

If the LED OUT 1 does not light up, the calibra-

tor/micro calibration bath is not heating

6 LED OUT 2

a) Heating instrument

Signals the status of the output for the fan

control

If the LED OUT 2 lights up, the fan is running at

high speed

If the LED OUT 2 does not light up, the fan is

running at low speed



Fig. 5: Overview of the controls on the front of the

controller

b) Heating and cooling instrument

Signals the status of the output for the

temperature control

If the LED OUT 1 lights up, the calibrator/micro

calibration bath is cooling

If the LED OUT 1 does not light up, the calibra-

tor/micro calibration bath is not cooling

7 LED OUT 3

This LED has no function here

8 LED OUT 4

This LED has no function here

9 LED SET

When flashing, it signals access to the individual

menu items and parameters

10 LED AT/ST

This LED has no function here

11 PV indicator

Displays the current reference temperature

Displays the individual modes, menu items and

parameters

12 SV indicator

Displays the set temperature

Displays certain parameters in the individual

modes and menu items



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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths10

4.2 Data interface

The S version is equipped with a serial communica-

tion interface RS-485. It is possible to connect a

PC, a level converter or a network via this interface.

The utilized software protocol is a MODBUS-RTU

protocol, which is used in numerous market-avail-

able monitoring programs.

The transfer rate (baud rate) is factory set to 9600

baud. Other transfer rates are available on request.

The 5-pole socket is provided with two connections,

A and B, which have to be connected to the

respective sockets of the PC, the level converter or

the network.

To enable connection to a PC, the RS-485 signals

have to be externally converted into RS-232 or USB

signals. Appropriate converters including drivers

are optionally available. The PC records all the

operating data and enables the programming of all

the calibrator’s configuration parameters.

The minimum requirements for operation with a

USB converter are:

IBM compatible PC,

An instalLED Windows operating system

98SE, ME, 2000 or Windows XP (Home or

Professional),

A free USB port (USB 1.1 or USB 2.0).



Fig. 6: Top view of the 5-pole socket

A network configuration allows the connection of up

to 32 calibrators/micro calibration baths to the same

network.

Certain factory settings have to be carried out to

enable configuration of a network. In this case,

please contact your supplier or WIKA directly.

If you access the programming via the

keypad while communication via a

serial interface is running, the message

“buSy“ appears on the display.

4.3 Transmission protocol

The transmission protocol is supplied as an

additional document upon request.

Fig. 7: Network configuration

11

Calibration Range Flash point

DistilLED water 5 °C to 90 °C n.a.

Dow Corning 200 fluid with 5 CS -40 °C to 123 °C 133 °C

Dow Corning 200 fluid with 10 CS -35 °C to 155 °C 165 °C

Dow Corning 200 fluid with 20 CS 7 °C to 220 °C 230 °C

Dow Corning 200 fluid with 50 CS 25 °C to 270 °C 280 °C

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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths

5. Start-up of the Calibrator/Micro Calibration Bath

5.1 Operating position

The calibrator/micro calibration bath has to be

placed in a vertical standing position for operation,

this position guarantees optimum temperature

distribution in the metal block/liquid bath.

5.2 Sleeves for the metal block

In order to achieve the best possible accuracy, the

utilization of exactly fitting sleeves is necessary. The

diameter of the test specimen has to be determined

precisely. The bore in the sleeve results from the

addition of +0.5 mm.

Remove the sleeves after use with

the aid of the sleeve remover, and

remember to clean the sleeve and

the block. This prevents the sleeves

becoming jammed in the heating block.

Fig. 8: Sleeves

5.3 Preparing the micro calibration bath

In order to achieve the best possible accuracy of

a micro calibration bath, it has to be filLED with a

suitable calibration liquid.

5.3.1 Characteristics of the calibration liquids

Different calibration liquids supply varying

calibration results due to their specific

characteristics. Adjustment to the respective

calibration liquid has to be carried out by the

manufacturer.

We recommend the following calibration liquids for

the various temperature ranges:

When using water as the calibration liquid:

Only use distilLED or demineralised water,

otherwise excessive limescale and soiling will

build up in the calibrator tank.

When using silicone oil as the calibration liquid:

Only use the silicone oil recommended in these

operating instructions.

Always read the safety data sheet supplied with

the silicone oil before using it.

Always ensure adequate ventilation when

working with silicone oil, since hazardous

substances can be released.

Prevent silicone oil from coming into contact with

your eyes.

Since silicone oil is hygroscopic, always use the

transport lid to close the calibration bath after

use.



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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths12

The transport lid is equippe with a

safety valve. If the micro calibration

bath is closed when warm,

impermissible pressure can build up. In

order to prevent excess pressure which

can destroy the liquid bath, the safety

valve is activated once the pressure

reaches approx. 2.5 bar. This can result

in hot steam being released.

5.3.3 Operating the magnetic stirrer

The best possible homogeneity is achieved by

stirring the calibration liquid with the magnetic

stirrer.

Set the stirring speed to the respective max.

speed. Turn the thumb wheel (Fig. 11) upwards

to increase and downwards to decrease the

stirring speed.



The magnetic stirrer is a wearing

part.

Fig. 10: Liquid bath

Fig. 11: Front of the controller with stirring speed

wheel

5.3.2 Filling the micro calibration bath

Remove the transport lid.

Insert the test specimen into the sensor cage.

Fill the tank with calibration liquid. The max.

filling level in the tank is displayed by the upper

edge of the aluminium lining (see Fig. 9). The

max. filling level is 0.5 litres.



Fig. 9: Max. filling level of the liquid bath

13

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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths

5.4 Testing temperature sensors

A separate temperature measuring instrument

connected to the test specimen is required to

test the temperature sensors. By comparing the

temperature displayed at the external measur-

ing instrument with the reference temperature it is

possible to assess the status of the test specimen.

Remember that the test specimen requires a short

period of time until it absorbs the temperature of the

metal block or liquid bath.

It is not possible to calibrate

earthed thermal elements, because

the heating block is earthed and

any measurement would produce

incorrect results.

5.5 Start-up procedure

If the calibrator is not used for a longer period, it is

possible for moisture to enter the heating elements

due to the material used (magnesium oxide).

After calibrator transport or storage in a damp

environment, the heating elements have to be gently

brought up to operating temperature. During the

drying out procedure it has to be assumed that

the calibrator has not yet achieved the required

insulation voltage for protection class I.

The start-up set value is T

start

=120°C for a stop

period of T

n

=15 min.

5.6 Switching on the calibrator/micro

calibration bath

Connect the supplied mains plug to a mains

outlet.

Actuate the mains switch.

The controller is initialized

tESt appears on the upper PV display.

The version number, e.g. rL 2.2, appears on the

lower SV display.

Initialization is completed after approx. 5 sec., the

calibration mode is then automatically displayed.

The instalLED heating and cooling elements

automatically adjust the metal block from the

room temperature to the set temperature set at the

controller.

5.7 Reference and set temperature display

Upper PV display:

The red, 4-digit, 7-segment display shows the

current temperature of the metal block/liquid bath.



Lower SV display:

The green, 4-digit, 7-segment display shows the

current set temperature of the metal block/liquid

bath.

Once the set temperature has been achieved, the

radiated heat energy from the metal block/liquid

bath is supplied by short firing pulses, thus ensuring

that the temperature inside is kept constant.

5.8 Stabilizing the reference temperature

The switch on time of the heater is displayed by the

red LED OUT 1.

During the heating up phase a constantly lit LED

displays the supply of heat energy, a flashing LED

indicates that the reference temperature has almost

reached the set temperature and the heat energy is

now being supplied at short intervals.

In order to guarantee excellent temperature stability,

the cycle time of the controller is set to low and the

control output is addressed on a regular basis.

Fig. 12: Reference and set temperature display

Fig. 13: LED OUT 1 displays

Fig. 14: Control occurs via PID algorithm

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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths14

6. Operating the Calibrator/Micro Calibration Bath

Three operating modes are available:

·

Calibration mode

This is the normal operating mode in which the

calibration of test specimens is carried out.

·

Set value mode

The set temperatures can be entered in this

mode.

·

Main menu

All the settings can be carried out in this mode,

e.g. presetting the set temperatures or setting

the control parameters.

6.1 Calibrating (calibration mode)

The calibrator/micro calibration bath is automatically

in calibration mode as soon as it has been switched

on and after initialization.

The current reference temperature is displayed by

the upper PV display.

The set temperature is displayed by the lower SV

display.

The LED OUT 1 indicates the status of the output

for the heater control:

If LED OUT 1 lights up, the temperature is being

increased.

·If LED OUT 1 does not light up, the heater is

switched off.



Fig. 15: Calibration mode HEATING displays

The LED OUT 2 indicates the status of the output

for the fan/cooling control:

Fig. 16: Calibration mode FAN or COOLING displays

a) Heating instrument

The LED OUT 2 indicates the status of the output

for the fan control:

·If the LED OUT 2 lights up, the fan is running at

high speed.

·If the LED OUT 2 does not light up, the fan is

running at low speed.

b) Heating and cooling instrument

The LED OUT 2 indicates the status of the output

for the cooling control:

·If LED OUT 2 lights up, the temperature is being

decreased.

·If LED OUT 2 does not light up, cooling is

switched off.

There are two ways to set the set temperature:

Either you set a temporary set temperature (see

section 6.2) or you save fixed set temperatures in

the main menu (see section 6.3).

6.2 Setting a temporary set temperature (set

value mode)

In this operating mode it is possible to temporarily

modify a saved set temperature.

Press the P key.

The currently active set value memory, e.g. SP2

(set point 2), is displayed by the upper PV

display. The respective set temperature is

displayed by the lower SV display.

Press the 5 key to increase the set tempera-

ture.

Press the  key to decrease the set

temperature.

Press the P key again to confirm the new set

value.



Fig. 17: Temporary set temperature setting

15

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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths

6.3 Programming (main menu)

All the settings can be carried out in this menu

structure.

Press the P key for approx. 5 seconds. The main

menu opens.

Use the  and 5 keys to select the desired

main menu (see overview).

Press the P key to confirm the selected menu

item.



Fig. 18: Menu structure (main menu)

Press the 5 and  key to raise and

lower the value by 0.1 respectively.

If the keys are held pressed for at

least one second, the value increases

or decreases quickly and after two

seconds even more quickly; this means

the desired value can be reached

rapidly. ·If no key is pressed in the set

value mode for approx. 15 seconds,

the device automatically returns to the

calibration mode.

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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths16

As displayed by the menu structure, it is possible to

reach the group and parameter levels to carry out

settings via OPEr.

Returning to another level

If no key is pressed in the main menu at the group

or parameter level for approx. 15 seconds, the

device automatically returns to the previous level up

to the calibration mode.

You can also return to a previous level by pressing

and holding the  or 5 key.

Fig. 19: Menu structure

17

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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths

6.3.1 Switching off the automatic control

For certain tasks it can be advantageous to switch

off the control, e.g. to carry out settings at the

calibrator/micro calibration bath.

Press the P key when in calibration mode for

approx 5 sec., the main menu opens.

OPEr appears on the upper PV display

LED SET flashes on the lower

SV display.



Press the 5 or  key until OFF appears.

Press the P key to confirm.

An alternating display of the current reference

temperature and OFF appears on the upper PV

display

The current set temperature appears on the

lower SV display.



The control has now been switched

off and the reference temperature

will constantly drop without being

regulated.

Fig. 20: Main menu display

Fig. 21: Menu control OFF

Fig. 22: Control OFF setting display

6.3.2 Switching on the automatic control

The control is switched off if the following display

appears:

An alternating display of the current reference

temperature and OFF appears on the upper PV

display.

The current set temperature appears on the lower

SV display.

Fig. 24: rEG display

Fig. 23: Control OFF setting display

Switch the control back on by:

Pressing the P key for approx. 5 sec., the main

menu opens.

rEG appears on the upper PV display

LED SET flashes on the lower

SV display.



Press the P key to confirm switching on the

control.

The control has been reactivated.

The calibrator/micro calibration bath

is in calibration mode and the set

temperature is targeted.



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WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths18

6.3.3 Switching on the manual control

It is possible to switch off the automatic control of

the calibrator/micro calibration bath and to achieve

the desired temperature via manual control.

Press the P key for approx 5 sec., the main menu

opens.

OPEr appears on the upper PV display.

LED SET flashes on the lower

SV display.



Press the 5 or  key until OPLO appears

OPLO appears on the upper PV display.

LED SET flashes on the lower

SV display.



Press the P key to confirm.

The current reference temperature appears on

the upper PV display.

The letter H and the currently set output capacity

in % appear on the lower SV display.



Fig. 25: Main menu display

Fig. 26: Menu manual control OPLO

Fig. 27: Manual control OPLO setting display

Press the 5 key, to increase the output

capacity.

Press the  key, to decrease the output

capacity.



Press the 5 and  key to raise and

lower the value by 0.1 respectively. If

the keys are held pressed for at least

one second, the value increases

or decreases quickly and after two

seconds even more quickly; this

means the desired value can be

reached rapidly.

6.3.4 Switching off the manual control

The manual control is switched on if the following

display appears:

The current reference temperature appears on the

upper PV display.

The letter H and the currently set output capacity in

% appear on the lower SV display.

Fig. 28: Manual control OPLO setting display

Fig. 29: Main menu display

Switch the manual control off again by

Pressing the P key for approx. 5 sec., the main

menu opens.

rEG appears on the upper PV display.

LED SET flashes on the lower

SV display.



Press the P key to confirm switching on the

automatic control.

19

GB

Temperature Dry Well Calibrators/Micro Calibration Baths

CTD9100/CTB9100

11263911 04/2007 GB/D

WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths

6.3.5 Setting and saving fixed set temperatures

In order to save set temperatures in the calibrator/

micro calibration bath, the respective set value

memory has to be opened.

Press the P key for approx 5 sec. when in

calibration mode, the main menu opens.

OPEr appears on the upper PV display.

LED SET flashes on the lower

SV display.



Press the P key again, the group level opens.

OPEr appears on the upper PV display.

’SP appears on the lower SV display and LED

SET flashes.



Press the P key again, the parameter level

opens.

’SP appears on the upper PV display.

The set value memory SP1 and LED SET flash

on the lower SV display.



Fig. 30: Operator menu OPEr

Fig. 31: Group SP

Fig. 32: Parameter for the set memory SP1

Use the 5 or  key to select one of the four set

value memories SP1, SP2, SP3 and SP4.

Press the P key to open the respective set value

memory.

The selected set value memory, e.g. SP3 flashes

on the upper PV display.

The corresponding current set temperature

appears on the lower SV display.



Press the 5 key to increase the set

temperature.

Press the  key to decrease the set

temperature.

Press the 5 and  key to raise and

lower the value by 0.1 respectively.

If the keys are held pressed for at

least one second, the value increases

or decreases quickly and after two

seconds even more quickly; this means

the desired value can be reached

rapidly.

Press the P key to confirm the set temperature.

The set value memory closes and the display

returns to the parameter level.

Press and hold the  or 5 key to return to the

calibration mode.

If no key is pressed for approx. 15

seconds, the device automatically

returns to a previous level up to the

calibration mode.

6.3.6 Retrieving the saved set temperatures

The saved set temperatures can be retrieved in

calibration mode.

Press the U key for approx 2 sec., the current set

value memory opens.

The current reference temperature appears on

the upper PV display.

The set value memory SP1, SP2, SP3 or SP4

appears on the lower SV display for 2 sec.

followed by the current set temperature.



Fig. 33: Set value memory SP3 entry

Calibrator type

(heating/cooling)

Setting for

“SLor”

CTD9100-165 < 7 °C/min

CTB9100-165

with silicone oil 20 CS

< 3 °C/min

CTB9100-165

with distilLED water

< 5 °C/min

Calibrator type

(heating)

Setting for

“SLor”

CTD9100-450, -650 < 35 °C/min

CTB9100-225

with silicone oil 20 CS

< 22 °C/min

CTB9100-225

with distilLED water

< 12 °C/min

GB

Temperature Dry Well Calibrators/Micro Calibration Baths

CTD9100/CTB9100

11263911 04/2007 GB/D

WIKA Operating Instructions Temperature Dry Well Calibrators/Micro Calibration Baths20

Firstly, the set value memory SP1, SP2, SP3 or SP4

Fig. 34: Retrieving the set temperatures display

Secondly, the saved set temperature

To receive another saved set value, press the U

key again.

The selected temperature value is immediately

adopted and targeted.

6.3.7 Setting a gradient control and a

temperature profile

It is possible to carry out a gradient control yourself

and thus determine the time in which the set

temperature is reached. The time can be shorter

or longer than the time usually required by the

calibrator/micro calibration bath.

When modifying the set temperature or switch-

ing on the calibrator/micro calibration bath it

is automatically determined which of the gradients

(heating gradient “SLor” or cooling gradient “SLoF”)

is to be used.

Additionally, you can ensure that the

calibrator/micro calibration bath switches to the set

temperature in set value memory SP2 as soon as

the set temperature in set value memory SP1 has

been achieved and after a programmed duration

time “dur.t”; this creates a simple temperature

profile.

After switching on the calibrator/micro calibration

bath the temperature profile is automatically carried

out.

Heating gradient “SLor”

The heating gradient “SLor“ is active if the reference

temperature is lower than the set temperature.



Each calibrator type has a max. heating capacity,

meaning that only settings < than this heating

capacity are reasonable and extend the time until

the set temperature is achieved.

Fig. 35: Gradient control and temperature profile

Cooling gradient “SLoF“

The cooling gradient “SLor“ is active if the reference

temperature is higher than the set temperature.

Only settings below the cooling capacity of the

calibrator have an effect on the cooling gradients.

The duration time “dur.t“ is active if the set

temperature SP1 has been achieved. Subsequently,

the calibrator/micro calibration bath automatically

switches to set temperature SP2.

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