WIKA CTH 6200 User manual

Operating instructions
Betriebsanleitung
EN
DE
Hand-held thermometer model CTH6200 with temperature probe Pt100
Hand-held thermometer, model CTH6200
Hand-Held-Thermometer, Typ CTH6200

2
2146872.02 07/2021 EN/DE
WIKA operating instructions, model CTH6200
EN
DE
Operating instructions model CTH6200 Page 3 - 46
Betriebsanleitung Typ CTH6200 Seite 47 - 90
Further languages can be found at www.wika.com.
© 07/2021 WIKA Alexander Wiegand SE & Co. KG
All rights reserved. / Alle Rechte vorbehalten.
WIKA®is a registered trademark in various countries.
WIKA®ist eine geschützte Marke in verschiedenen Ländern.
Prior to starting any work, read the operating instructions!
Keep for later use!
Vor Beginn aller Arbeiten Betriebsanleitung lesen!
Zum späteren Gebrauch aufbewahren!

3WIKA operating instructions, model CTH6200
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Contents
1. General information 5
2. Short overview 6
2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Description . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Scope of delivery . . . . . . . . . . . . . . . . . . . . . 6
3. Safety 7
3.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . 7
3.2 Intended use. . . . . . . . . . . . . . . . . . . . . . . 7
3.3 Improper use . . . . . . . . . . . . . . . . . . . . . . 8
3.4 Personnel qualification . . . . . . . . . . . . . . . . . . . 8
3.5 Labelling, safety marks . . . . . . . . . . . . . . . . . . . 9
3.5.1 Product label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.5.2 Explanation of symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4. Design and function 10
4.1 Display. . . . . . . . . . . . . . . . . . . . . . . . . 10
4.2 Function buttons and operation . . . . . . . . . . . . . . . . 11
4.3 Electrical connections . . . . . . . . . . . . . . . . . . . 12
4.4 Voltage supply . . . . . . . . . . . . . . . . . . . . . . 13
4.4.1 Battery operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
4.4.2 Using the optional power supply unit . . . . . . . . . . . . . . . . . . . . .14
4.5 Serial interface . . . . . . . . . . . . . . . . . . . . . .15
4.6 Temperature probe . . . . . . . . . . . . . . . . . . . . 15
4.6.1 Available temperature probes . . . . . . . . . . . . . . . . . . . . . . . . .16
4.6.2 Connecting/replacing the temperature probe. . . . . . . . . . . . . . . . .16
4.6.3 General information on temperature probes . . . . . . . . . . . . . . . . .17
5. Transport, packaging and storage 18
5.1 Transport . . . . . . . . . . . . . . . . . . . . . . . .18
5.2 Packaging and storage . . . . . . . . . . . . . . . . . . . 18
6. Commissioning, operation 19
6.1 Commissioning . . . . . . . . . . . . . . . . . . . . . .19
6.2 Menu navigation of the main menu . . . . . . . . . . . . . . . 20
6.3 Configuring the instrument . . . . . . . . . . . . . . . . . .22
6.3.1 Temperature unit (Unit). . . . . . . . . . . . . . . . . . . . . . . . . . . .22
6.3.2 Display resolution (rES). . . . . . . . . . . . . . . . . . . . . . . . . . . .22
6.3.3 Compensation characteristic (Lin E.751). . . . . . . . . . . . . . . . . . .23
6.3.4 Zero point correction/offset (OFfS). . . . . . . . . . . . . . . . . . . . . .23
6.3.5 Slope correction (SCaL). . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Contents

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Declarations of conformity can be found online at www.wika.com.
6.3.6 Power-off delay (P.oFF). . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
6.3.7 Instrument output (Ovt). . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
6.3.8 Interface address (adr.) . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
6.3.9 Analogue output scaling with dAC.0and dAC.1(dAC.) . . . . . . . . . . . .25
6.3.10Alarm (AL.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
6.3.11Real-time clock (CLOC). . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
6.4 Operation of the logger function . . . . . . . . . . . . . . . . 27
6.4.1 Manual recording (Func-Stor). . . . . . . . . . . . . . . . . . . . . . . .28
6.4.2 Automatic recording with adjustable cycle time (Func-CYCL). . . . . . . .29
7. Faults 31
8. Maintenance, cleaning and recalibration 33
8.1 Maintenance. . . . . . . . . . . . . . . . . . . . . . . 33
8.2 Battery replacement . . . . . . . . . . . . . . . . . . . . 33
8.3 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . 34
8.4 Recalibration. . . . . . . . . . . . . . . . . . . . . . . 34
9. Dismounting, return and disposal 35
9.1 Dismounting . . . . . . . . . . . . . . . . . . . . . . .35
9.2 Return . . . . . . . . . . . . . . . . . . . . . . . . .36
9.3 Disposal . . . . . . . . . . . . . . . . . . . . . . . . 36
10. Specifications 37
10.1 Digital indicator model CTH6200 . . . . . . . . . . . . . . . 37
10.2 Temperature probe model CTP62x0 . . . . . . . . . . . . . . 39
10.3 Genauigkeitsangaben der Messkette . . . . . . . . . . . . . .40
10.4 Certificates . . . . . . . . . . . . . . . . . . . . . . . 41
10.5 Dimensions in mm [in] . . . . . . . . . . . . . . . . . . . 42
10.5.1Digital indicator CTH6200 . . . . . . . . . . . . . . . . . . . . . . . . . . .42
10.5.2Temperature probe model CTP62x0 . . . . . . . . . . . . . . . . . . . . .43
10.5.3Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
11. Accessories 45
Contents

5WIKA operating instructions, model CTH6200
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1. General information
1. General information
■The hand-held thermometer model CTH6200 described in the operating instructions
have been designed and manufactured using state-of-the-art technology. All
components are subject to stringent quality and environmental criteria during
production. Our management systems are certified to ISO 9001 and ISO 14001.
■These operating instructions contain important information on handling the instrument.
Working safely requires that all safety instructions and work instructions are observed.
■Observe the relevant local accident prevention regulations and general safety
regulations for the instrument's range of use.
■The operating instructions are part of the product and must be kept in the immediate
vicinity of the instrument and readily accessible to skilled personnel at any time. Pass
the operating instructions on to the next operator or owner of the instrument.
■Skilled personnel must have carefully read and understood the operating instructions
prior to beginning any work.
■The general terms and conditions contained in the sales documentation shall apply.
■Subject to technical modifications.
■Factory calibrations / DKD/DAkkS calibrations are carried out in accordance with
international standards.
■Further information:
- Internet address: www.wika.de / www.wika.com
- Relevant data sheet: CT 51.01
- Application consultant: Tel.: [phone]
Fax: [phone]
[e-mail]
■Version key for firmware
Firmware version Validity
V 1.8 07/2008 to 11/2009
V 1.9 12/2009 to 07/2019
V 2.2 Since 07/2019

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2. Short overview
2. Short overview
2.1 Overview
1
2
3
1Sensor connection cable
2Hand-held thermometer model
CTH6200
3Temperature probe model CTP62x0
2.2 Description
The CTH6200 hand-held thermometer can be used as a calibration instrument and also
for any application which requires accurate temperature measurement.
An immersion and a penetration probe are available as reference temperature probes for
the hand-held thermometer with a measuring range of -50 ... +250 °C [-58 ... +482 °F].
For measuring the temperature, you can select between °C and °F.
An integrated data logger and various other functions (such as Min., Max., hold, tare, zero
point correction, alarm, power-off, variable measuring rate etc.) ensure that the hand-held
thermometer can be used for many different applications.
2.3 Scope of delivery
■Hand-held thermometer model CTH6200
■9 V battery
■3.1 calibration certificate per DIN EN 10204
■Choice of temperature probes
Cross-check scope of delivery with delivery note.

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3. Safety
3. Safety
3.1 Explanation of symbols
WARNING!
... indicates a potentially dangerous situation that can result in serious injury
or death, if not avoided.
CAUTION!
... indicates a potentially dangerous situation that can result in light injuries or
damage to property or the environment, if not avoided.
DANGER!
... identifies hazards caused by electrical power. Should the safety
instructions not be observed, there is a risk of serious or fatal injury.
WARNING!
... indicates a potentially dangerous situation that can result in burns, caused
by hot surfaces or liquids, if not avoided.
Information
... points out useful tips, recommendations and information for efficient and
trouble-free operation.
3.2 Intended use
The model CTH6200 hand-held thermometer is suitable for all precise temperature
measurement tasks from -50 ... +250 °C [-58 ... +482 °F].
This instrument is not permitted to be used in hazardous areas!
The instrument has been designed and built solely for the intended use described here,
and may only be used accordingly.
The technical specifications contained in these operating instructions must be observed.
Improper handling or operation of the instrument outside of its technical specifications
requires the instrument to be taken out of service immediately and inspected by an
authorised WIKA service engineer.
Handle electronic precision measuring instruments with the required care (protect from
humidity, impacts, strong magnetic fields, static electricity and extreme temperatures,
do not insert any objects into the instrument or its openings). Connectors and female
connectors must be protected from contamination.

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3. Safety
The manufacturer shall not be liable for claims of any type based on operation contrary to
the intended use.
3.3 Improper use
WARNING!
Injuries through improper use
Improper use of the instrument can lead to hazardous situations and injuries.
▶Refrain from unauthorised modifications to the instrument.
▶Do not use the instrument within hazardous areas.
▶Do not use the instrument with abrasive or viscous media.
▶Observe the operating parameters in accordance with chapter
10 “Specifications”.
Any use beyond or different to the intended use is considered as improper use.
3.4 Personnel qualification
WARNING!
Risk of injury should qualification be insufficient
Improper handling can result in considerable injury and damage to property.
▶The activities described in these operating instructions may only be
carried out by skilled personnel who have the qualifications described
below.
Skilled personnel
Skilled personnel, authorised by the operator, are understood to be personnel who,
based on their technical training, knowledge of measurement and control technology and
on their experience and knowledge of country-specific regulations, current standards and
directives, are capable of carrying out the work described and independently recognising
potential hazards.
Special operating conditions require further appropriate knowledge, e.g. of aggressive
media.

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3. Safety
3.5 Labelling, safety marks
3.5.1 Product label
The operator is obliged to maintain the product label in a legible condition.
Product label for hand-held thermometer (example)
The product label is fixed on the rear of the hand-held.
1Product name
2Article number
3Date of manufacture (month-year)
4Serial number
3.5.2 Explanation of symbols
Before mounting and commissioning the hand-held thermometer,
ensure you read the operating instructions!
Do not dispose of with household waste. Ensure a proper disposal in
accordance with national regulations.
Kalibriertechnik / Calibration Technology
1
2
3
4

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4. Design and function
4. Design and function
4.1 Display
1Offset
Zero point correction is activated
2Corr
Slope correction is activated
3Main display
Current temperature display
4Symbol
Indicates a low battery and other warnings
5Secondary display
Display of Min, Max. or hold value
6Logg
Arrow appears, logger function was selected via menu
Arrow blinking: Automatic recording (Logg CYCL) active
7AL
Arrow appears when there is an alarm
Arrow blinking: Alarm is active
8MIN / MAX / HLD
Indicates whether Min., Max. or hold value is shown in secondary display
1
7
2
6
4
5
8
3

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4. Design and function
4.2 Function buttons and operation
Pos. Symbol Meaning
1ON
OFF
On/Off button
Switching the CTH6200 on and off
2
▲
MAX
Display of the respective Max. memory value
■Press briefly
By pressing the [▲/MAX] button, the maximum value measured will be
displayed. Pressing it again hides it.
■Press for > 2 seconds
To delete the Max. value
3
▲
TA R A
Activate the tare function, zero point correction
■Tare function
Function only within the configuration menu for selection of the menu
parameters
4
QUIT
STORE Activate hold function or logger function
(See chapter 6.4 “Operation of the logger function”)
■Confirmation of the entry, return to measurement (in menu)
■Hold function (press briefly)
By pressing the [STORE/QUIT] button, the last measured value will be
shown in the lower display. Pressing it again hides the value again (only if
logger is deactivated).
■Logger function
Activated by the [STORE/QUIT] button, only if the logger function has been
activated (see chapter 6.4 “Operation of the logger function”).
1
6
2
5
3
4

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4. Design and function
Pos. Symbol Meaning
5
▲
MIN Display of the respective Min. memory value
■Press briefly
By pressing the [MIN/▼] button, the minimum value measured will be
displayed. Pressing it again hides it.
■Press for > 2 seconds
To delete the Min. value
6
MENU
SET Enter configuration
By pressing the [SET/MENU] button for approx. 2 seconds, the settings
such as configuration, adjustment, alarm logger and system clock can be
accessed.
Abbreviations, definitions
“XXX” Menu XXX is accessed
[XXX] Press button XXX
‘XXX’ Menu ‘XXX’ will be displayed
4.3 Electrical connections
On the upper edge of the instrument are located the connection socket CH1 for the
connection of model CPT62x0 temperature probe (see chapter 4.6 “Temperature probe”)
and the socket for the connection of the WIKA interface cable (see chapter 4.5 “Serial
interface”).
The female connectors for the connection of the interface can also be used for the
function of analogue output. For this, a corresponding analogue connection cable must
be used.
The “interface” or “analogue output” operating mode must be configured via
menu and affects battery life!
Top view
1
2
1Interface connector or optional
analogue output
2Connection for temperature probe

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4. Design and function
Side view (left)
4.4 Voltage supply
The voltage supply of the instrument is made via a 9 V battery. It is included in delivery.
Alternatively, a 9 V rechargeable battery can be used which can be charged using a
charging unit for 9 V rechargeable batteries.
The battery life is approx. 300 hours of continuous operation with one sensor and a
measuring rate of 2/s.
Alternatively, an additional power supply unit can be used for a permanent power supply.
4.4.1 Battery operation
The battery indicator lights up
To avoid false readings, replace the batteries.
If 'bAt'is displayed in the lower display, the battery has been run down
and must be replaced or the rechargeable battery is empty and must be
charged with a suitable charging unit. However, the instrument function is
still ensured for a certain time.
3
3Connection of power supply unit for voltage
supply

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If 'bAt'is displayed in the upper display, the battery has been completely
run down or the rechargeable battery is empty.
If the instrument is not used for a long time, the battery/rechargeable battery
should be removed.
The real-time clock has to be set again once the battery has been
reconnected.
The battery and rechargeable battery must only be used in a proper fashion
and must be disposed of properly in line with the current, national regulations.
When storing the instrument at over 50 °C [122 °F], the battery/rechargeable
battery must be taken out.
4.4.2 Using the optional power supply unit
DANGER!
Danger to life caused by electric current
Upon contact with live parts, there is a direct danger to life.
▶Only use the original power supply unit from WIKA, which is available as
accessory.
▶If there is any visible damage to the case or the wiring, do not use the
power supply unit!
▶Never install nor store the power supply unit in the following locations, as
this can lead to a failure in operation:
■Places where there is strong humidity or condensation
■Outdoors
▶Disconnect the power supply unit from the mains supply when it won't be
used for a longer period of time.
▶The power supply unit is maintenance-free. It must not be opened (danger
of electrical shock).
▶Before cleaning, disconnect the power supply unit from the mains supply.
Do not clean with chemical cleaning agents. Only clean with a dry cloth.
The power supply unit enables a permanent power supply for the CTH6200
without using a 9 V battery or a 9 V rechargeable battery.
The power supply unit is not suitable for recharging the 9 V rechargeable
battery. The charging of the 9 V rechargeable battery must only be made
using an external charging unit.
4. Design and function

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4.5 Serial interface
For the data transfer to a computer, only use the interface cable from WIKA.These are
suitable for connection to a USB interface (USB driver needed) or an RS-232 interface.
USB interface cable
The USB interface cable consists of a USB connector (model A) at one end of the cable
and a 3.5 mm stereo jack connector at the other end of the cable.
The cable is approx. 2 m [6.6 ft] long.
RS-232 interface cable
The RS-232 interface cable consists of a 9-pin Sub-D female connector at one end of the
cable and a 3.5 mm stereo jack connector at the other end of the cable.
The cable is approx. 1.5 m [4.9 ft] long.
Interface converter
With an galvanically isolated interface converter, the instrument can be connected to
an RS-232 interface of a PC (USB adapter possible on request) in order to visualise the
data with the WIKA data logger evaluation software GSoft.The transmission is protected
against transmission errors by extensive safety mechanisms (CRC).
4.6 Temperature probe
CAUTION!
Damage to the instrument
If third-party temperature probes are used, they can damage the hand-held
thermometer and the temperature probe.
▶Only use model CTP62x0 temperature probes!
The CTH6200 is designed for connection of a Pt100 4-wire probe and should be done as
follows:
4-wire connection
Pt100
4-wire connection
View of the pins of the probe connector
4. Design and function

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2- or 3-wire connection
It is also possible to connect a 2- or 3-wire probe to the CTH6200. However, it should be
noted that measured errors occur due to cable and contact resistances, but these can be
compensated for by the zero point correction.
4-pin mini DIN connector
It is also possible to fit a 4-pin mini-DIN connector with interlocking for self-assembly.
4.6.1 Available temperature probes
The hand-held has been designed so that all sensors of the CTH series can be
connected without the need for any readjustment, see chapter 10 “Specifications”.
4.6.2 Connecting/replacing the temperature probe
WARNING!
Risk of burns!
The temperature probes can be extremely hot or cold.
▶Let the temperature probe cool down sufficiently before replacing it!
Before switching the instrument on, connect the temperature probe,
otherwise it may not be correctly identified by the instrument.
1. Switch off the instrument to connect or change the temperature probe.
2. Connect the hand-held thermometer and the temperature probe.To do this, connect
the 4-pin mini-DIN connector on the hand-held to CH1 in accordance with the
orientation guide.
▶Connect the connector without tilting the threads.
⇒If the connector is positioned correctly, it can be plugged in without any significant
effort.
Pt100 Pt100
3-wire connection 2-wire connection
View of the pins of the probe connector
4. Design and function

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▶To disconnect the temperature probe, do not pull on the cable, but rather only on the
connector sleeve.
4.6.3 General information on temperature probes
Heat dissipation through probe construction
Especially for measurements of temperatures that deviate extremely from the ambient
temperature, measurement uncertainties occur if the heat dissipation through the probe
is not taken into account. For this reason, measurements in liquids should be immersed
sufficiently deep and then stirred.When measuring gases, the probe tube should
protrude as far as possible into the gas to be measured (e.g. for duct measurements) and
the gas should flow around the probe as strongly as possible.
Permissible probe temperature range
Pt100 sensors are suitable for very wide temperature ranges.The permissible
temperature limits of the probe used must be observed. Exceeding the permissible range
usually provides an inaccurate measuring result, or the probe may even be permanently
damaged!
When measuring high temperatures, the probe tube length should be long enough that
the temperature at the handle remains low.
Self-heating
The measuring current used is only 0.3 mA.This means that in practice the sensor
heating of even very small sensor elements is negligible.
Evaporative cooling
When measuring the air temperature, the probe should be dry, otherwise the temperature
measured will be too low (cooling through evaporation).
4. Design and function

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5. Transport, packaging and storage
5. Transport, packaging and storage
5.1 Transport
Check hand-held thermometer and temperature probe for any damage that may have
been caused by transport.
Obvious damage must be reported immediately.
CAUTION!
Damage through improper transport
With improper transport, a high level of damage to property can occur.
▶When unloading packed goods upon delivery as well as during internal
transport, proceed carefully and observe the symbols on the packaging.
▶With internal transport, observe the instructions in chapter 5.2 “Packaging
and storage”.
If the instrument is transported from a cold into a warm environment, the formation of
condensation may result in instrument malfunction. Before putting it back into operation,
wait for the instrument temperature and the room temperature to equalise.
5.2 Packaging and storage
Do not remove packaging until just before mounting.
Keep the packaging as it will provide optimum protection during transport (e.g. change in
use, sending for repair).
Permissible conditions at the place of storage:
■Storage temperature: -25 ... +70 °C [-13 ... +158 °F]
■Humidity: 0 ... 95 % relative humidity (non-condensing)
Avoid exposure to the following factors:
■Direct sunlight or proximity to hot objects
■Mechanical vibration, mechanical shock (putting it down hard)
■Soot, vapour, dust and corrosive gases
Store the instrument in its original packaging in a location that fulfils the conditions
listed above. If the original packaging is not available, pack and store the instrument as
described below:
1. Wrap the instrument in an antistatic plastic film.
2. Place the instrument, along with the shock-absorbent material, in the packaging.
3. If stored for a prolonged period of time (more than 30 days), place a bag containing a
desiccant inside the packaging.

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6. Commissioning, operation
6. Commissioning, operation
Personnel: Skilled personnel
WARNING!
Physical injuries and damage to property and the environment caused
by hazardous media
Upon contact with hazardous media (e.g. oxygen, acetylene, flammable
or toxic substances), harmful media (e.g. corrosive, toxic, carcinogenic,
radioactive), and also with refrigeration plants and compressors, there is a
danger of physical injuries and damage to property and the environment.
Should a failure occur, aggressive media with extremely high temperature
may be present at the instrument.
▶For these media, in addition to all standard regulations, the appropriate
existing codes or regulations must also be followed.
6.1 Commissioning
Before switching the instrument on, connect the temperature probe,
otherwise it may not be correctly identified by the instrument, see chapter
4.6.2 “Connecting/replacing the temperature probe”.
1. Connect the temperature probe to the female connector provided on the hand-held.
⇒It must be possible to insert the connector into the female connector without much
effort.
⇒The connection socket is located at the top of the instrument case. Next to these
are located the serial or analogue interfaces.
2. Ensure that a full 9 V battery or a full 9 V rechargeable battery is inserted.
3. Switch on the CTH6200 with the [ON/OFF] button.
Following the segment test, the instrument displays the following short information about
its configuration:
■The type of characteristic curve
■The time
■If a slope correction has been carried out, the display will indicate this by showing
'SCAL' + value
■If a zero point correction has been carried out, the display will indicate this by showing
'OFFS'+ value.
After changing the battery the menu for setting the clock ‘CLOC’ is displayed
automatically.
Check the clock and adjust if necessary (see chapter 6.3.11 “Real-time clock (CLOC)”).
The instrument is then ready for measurement.

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6. Commissioning, operation
6.2 Menu navigation of the main menu
Menu tree
MENU
SET
MENU
SET
MENU
SET
MENU
SET
MENU
SET
MENU
SET
QUIT
STORE
QUIT
STORE
QUIT
STORE
QUIT
STORE
QUIT
STORE
▲
TA R A
▲
TA R A
▲
TA R A
▲
TA R A
▲
TA R A
(Press for 2 seconds)
Read
Lo66
Set
Conf
Set
AL
Set
Lo66
Set
CLOC
(ring - shift)
Stored data 1)
Recall of the stored individual value logger data, see
chapter 6.4 “Operation of the logger function”
Configuration
Unit 2) / Resolution 2) / Characteristic curve 2) / Zero
point and slope correction 2) / Mean value filter 2) /
Power-off / Interface / Base address
Alarm
Min./Max. alarm visual with/without buzzer
Logger 2)
Switch from hold to logger function:
Individual values (SToR) or cyclic (CYCL)
System clock
Time / Year / Day and month
1) Appears only if data has been stored in the individual value logger memory
2) Appears only if no data has been stored in the logger, see chapter 6.4 “Operation of the logger function”
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MAX
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MIN
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TA R A QUIT
STORE
Set parameter Next parameter Store or quit