Huazheng EDEKA TC-200 User manual

EDEKA TC-200
Temperature Calibrator
Huazheng Electric Manufacturing (Baoding) Co., Ltd

Notes
This manual should be read by the end user.
Huazheng Electric Manufacturing (Baoding) Co.,Ltd warrants goods of its
manufactures being free of defective materials and faulty workmanship. If warranted
goods are returned to Huazheng Electric Manufacturing (Baoding) Co.,Ltd or its
representatives during the period of coverage of one year,the manufacture will repair
or replace without charge any defective items. The manufacture guarantees all the
goods with life maintenance.
Specifications or other contents of this manual are subject to change without prior
notice for improvement. When there is a possibility that the foregoing change may
result in serious accident or injury, Huazheng Electric Manufacturing (Baoding)
Co.,Ltd will give notice in advance.
Every effort has been made in the preparation of this manual to ensure the accuracy
of its contents. However, should you have any questions or find any errors, please
contact your nearest customer service.
Do not modify this. Huazheng Electric Manufacturing (Baoding) Co.,Ltd assumes no
liability for any loss or damage, direct or indirect, caused by the user.
Copying or reproducing all or any part of the contents of this manual without the
permission of Huazheng Electric Manufacturing (Baoding) Co.,Ltd.
Symbol Definitions
Warning
This symbol indicates a hazardous situation, which, if not avoided, could result in
death, serious injury or property damage.
Caution
This symbol indicates a potentially hazardous situation, which, if not avoided,
might result in damage to the EDEKA TC-200 Multi-function process calibrator or
surroundings.

Warning
Do not apply more than the rated voltage, as marked on the EDEKA TC-200
Multi-function process calibrator, between the jacks, or between any jacks and earth
ground. Maximum for all jacks is 30V, 24mA.
Do not operate the EDEKA TC-200 Multi-function process calibrator in the presence of
flammable liquids or vapors, since operation in such environments constitutes a safety
hazard.
Never disassemble, remodel, modify, or repair this EDEKA TC-200 Multi-function process
calibrator. Otherwise malfunction, electric shock, or failure may result.
Never use the EDEKA TC-200 Multi-function process calibrator if it is found damaged or
deformed when unpacked. Otherwise a fire, malfunction, or failure may result.
Disconnect the power and discharge all high voltage capacitors in the equipment under
test before testing resistances.
Inspect the test leads for damaged insulation or exposed metal. Check test lead
continuity. Replace damaged test leads before using the EDEKA TC-200 Multi-function
process calibrator.
Do not use the EDEKA TC-200 Multi-function process calibrator if it operates abnormally.
Select the proper function for your measurement. Connect the test leads to the flashing
jacks.
Do not use the EDEKA TC-200 Multi-function process calibrator with any part of the case
or cover removed.
Do not measure a voltage source when the test leads are plugged into the current jacks.
Caution
When you turn on the EDEKA TC-200 Multi-function process calibrator, you had better
measure known voltage to confirm it can be operated normally.
Make sure the battery door is closed before you operate the EDEKA TC-200
Multi-function process calibrator.
Remove test leads from the EDEKA TC-200 Multi-function process calibrator before you
open the battery door.
When using the leads, keep your fingers away from the lead contacts. Keep your fingers
behind finger guards on the leads.
Dispose the EDEKA TC-200 Multi-function process calibrator as an industrial waste.

Contents
I. Introduction................................................................................................................................... 1
II.Standard Packing.........................................................................................................................1
III.Using Measure Mode................................................................................................................. 6
IV.Using Source Mode..................................................................................................................12
V. Cold Junction.............................................................................................................................17
VI.Switching Temperature Unit................................................................................................... 18
VII.Calibration................................................................................................................................ 18
VIII.Clear Function........................................................................................................................ 21
IX.Calibrating a Transmitter.........................................................................................................23
X.Maintenance...............................................................................................................................24
XI.Specifications............................................................................................................................25

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I. Introduction
EDEKA TC-200 Multi-function process calibrator is a handheld, battery-powered
instrument that measures and sources a variety of parameters. It can be widely applied in
industrial fields and laboratories. The summary functions of the Multi-function process
EDEKA TC-200 Multi-function process calibrator are shown in Table2- 1. In addition to
these functions, the EDEKA TC-200 Multi-function process calibrator has other features
as follows:
A split-screen display. The upper display shows measure parameters while the lower
one shows measure or source parameters;
Counting pulse function;
Calibration functions;
Auto ramping and auto stepping;
Manual and automatic cold junction compensating;
Clear function;
Temperature unit switching
Auto flashing jacks;
Backlight LCD;
Battery gauge.
II.Standard Packing
The items listed below and shown in Figure2- 1 are included in your Counting pulse
function. If the Counting pulse function is damaged or something is missing, contact our
service center immediately.
To order the optional parts, see ‘14 Optional Parts’
Counting pulse function
Counting pulse function Users Manual
Alligator clips (one set)
Test probes (one set)
Test leads (one set)

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Table2- 1 Summary of Source and Measure Functions
Function
Measure
Source/Measure
Measure
Measure
Source
V DC
(0~30)V
(0~20)V
(0~10)V
mV DC
(0~100)mV
(0~100)mV
(0~100)mV
mA DC
(0~24)mA
—
(0~24)mA
Current loop
(0~24)mA
—
—
Transmitter signal
—
—
(0~24)mA
Counting pulse
—
0~99999
—
Frequency
—
(1~10k)Hz
(1~5k)Hz
Resistance
—
(0~3200)Ω
(15~3200)Ω
TC(Thermocouple)
J, K, T, E, R, S, B, N
RTD
(Resistance-
Temperature
Detector)
—
Cu50
Pt100(385)
Figure2- 1 Standard Equipment
2.1 Getting Started
When you first unpack the EDEKA TC-200 Multi-function process calibrator, you will need
to charge the battery. After reinstalling the battery, please perform the test of sourcing and
measuring V DC as follows, it will make be easier to understand the instructions in the
rest of the manual.

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(1) Press to turn on the EDEKA TC-200 Multi-function process calibrator.
(2) Clearing offset of measuring V DC in the upper display and sourcing V DC in the
lower display according to ‘10 Clear Function’.
(3) Press to select DC voltage.
(4) Press for Source mode. Press to select sourcing V DC.
(5) According to the flashing jacks，connect the EDEKA TC-200 Multi-function process
calibrator’s voltage output to its voltage input as Figure3- 1 shows.
(6) Enter the desired output value by press numeric keys on the keypad and press
to begin sourcing V DC.
(7) The EDEKA TC-200 Multi-function process calibrator is simultaneously sourcing V
DC and measuring V DC. You should see the measurement readings in the upper
display, and the active source value in the lower display.
Figure3- 1 Source/Measure V DC

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2.2 EDEKA TC-200 Multi-function Process Calibrator
Summary
2.2.1 Jacks
Figure4- 1 shows the EDEKA TC-200 Multi-function process calibrator Source/Measure
jacks and Table4- 1 explains their use.
Auto flash jacks willl guide you to the correct connecting. For example, after you select to
measure voltage in lower display, ⑥and ⑦in Figure4- 1 will flash, and then you can put
the test leads into the jacks correctly.
Figure4- 1 Source /Measure Jacks
Table4- 1 Measure/Source Jacks
No.
Function
Description
①②
Jacks for measuring voltage, current and
TC.
The measurement reading is shown in the upper
display.
③
Jack for measuring TC cold junction.
Automatic cold junction.
④⑤
Jacks for sourcing current.
The source reading is shown in the lower
display.
⑤⑥
Jacks for simulating transmitter.
The source reading is shown in the lower
display.
⑥⑦
Jacks for measuring or sourcing voltage,
frequency, resistance, counting pulse, TC
and 2-wire RTD.
The measurement or source reading is shown in
the lower display.
④⑥⑦
Jacks for measuring 3-wire resistance
and RTD.
The measurement reading is shown in the lower
display.
④⑤⑥
⑦
Jacks for measuring 4-wire resistance
and RTD.
The measurement reading is shown in the lower
display.
2.2.2 Keys
Figure4- 2 shows the EDEKA TC-200 Multi-function process calibrator keys and Table4- 2

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explains their functions.
Figure4- 2 Keys
Table 4- 2 Keys Functions
No.
Key
Description
①
Clears offset of Measure mode in the upper display.
②
Deletes the last digit of input data;
Clears the counting pulse.
③
Clears offset of Measure and Source modes in the lower display.
④
Turns the power on and off.
⑤
Turns the backlight on and off.
⑥
Selects the mA or mA Loop measurement function in the upper display.
⑦
Selects voltage measurement function in the upper display.
⑧
Selects TC measurement function in the upper display.
⑨
Switches between Measure and Source modes in the lower display.
No.
Key
Description
Measure mode
Source mode
⑩
Selects resistance or frequency
measurement functions.
Selects resistance or frequency
sourcing functions.
Selects RTD measurement function.
Selects RTD sourcing function.
Selects voltage or mA measurement
functions.
Selects voltage sourcing function.
Selects TC measurement function.
Selects TC sourcing function.
Switches temperature unit, enters and exits Setup mode, sets cold junction

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temperature, and so on.
Cycles through:
Slow repeating 0%~100%~0% ramp;
Fast repeating 0%~100%~0% ramp;
Repeating 0%~25%~50%~75%~100%~0% step.
Increases the source value，least significant digit +1;
Decreases the source value，least significant digit -1.
Terminates a numeric entry, when setting a source value;
Begin/Stop counting pulse;
Confirm your choice in a list.
2.2.3 Display
Figure4- 3 shows the elements of a typical display.
Figure4- 3 Elements of a Typical Display
III.Using Measure Mode
3.1 Measuring Voltage (Upper Display)
To measure the voltage, proceed as follows.
(1) Press until the upper display shows “mV” or “V”.
(2) Connect the test leads as shown in Figure5- 1.
You should see the measurement readings in the upper display.
3.2 Measuring Current (Upper Display)
To measure the current, proceed as follows:
(1) Press until the upper display shows “MEASURE”.
(2) Connect the test leads as shown in Figure5- 2.

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You should see the measurement readings in the upper display.
3.3 Measure Current With Loop Power
(1) Press until the upper display shows “MEASURE LOOP”.
(2) Connect the test leads to the transmitter current loop jacks as shown in Figure5- 3.
(3) The EDEKA TC-200 Multi-function process calibrator supplies an internal 24V loop
power.
You should see the measurement readings in the upper display.
CAUTION: Never short two test leads in “MEASURE LOOP” mode.
Figure5- 1 Measuring Voltage (Upper Display)
Figure5- 2 Measuring Current (Upper Display)

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Figure5- 3 Connections for Supplying Loop Power
3.4 Measuring Voltage (Lower Display)
To measure the voltage, proceed as follows:
(1) Press until the lower display shows “MEASURE”.
(2) Press to select DC voltage until the display shows “V” or “mV”.
(3) Connect the test leads as shown in Figure5- 4.
You should see the measurement readings in the lower display.
3.5 Measuring Resistance
To measure the resistance, proceed as follows:
(1) Press until the lower display shows “MEASURE”.
(2) Press to select resistance until the display shows “Ω”.
(3) Connect the test leads as shown in Figure5- 5.
You should see the measurement readings in the lower display.
CAUTION: Clear of resistance before measuring, according to ‘8.4 Clear of Resistance and RTD’.

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Figure5- 4 Measuring Voltage (Lower Display)
Figure5- 5 Measuring Resistance
3.6 Measuring Frequency
The function of Measuring Frequency is only applicable to EDEKA TC-200 Multi-function
process calibrator. To measure the frequency, proceed as follows:
(1) Press until the lower display shows “MEASURE”.
(2) Press to select frequency until the display shows “Hz”.
(3) Connect the test leads as shown in Figure5- 6.
You should see the measurement readings in the lower display.
3.7 Counting pulse
The function of counting pulse is only applicable to EDEKA TC-200 Multi-function process
calibrator. To use this function, proceed as follows:
(1) Press until the lower display shows “MEASURE”.
(2) Press to select counting pulse until the display shows “COUNT”.
(3) Connect the test leads as shown in Figure5- 7.
(4) Press to start counting, and press again to stop counting. Press to

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clear the result.
Pulse counting is shown in the lower display, the range is 0~99999. The display shows
“-OL” when input overflows. The time is displayed by seconds at the bottom right corner.
Figure5- 6 Measuring Frequency
Figure5- 7 Connection of Counting Pulse
3.8 Measuring Temperature with TC
The EDEKA TC-200 Multi-function process calibrator supports eight types of standard TC.
Table5- 1 summarizes the ranges and characteristics of the supported TC. Change the
unit of temperature according to ‘8 Switching Temperature Unit‘.
To measure temperature using a TC, proceed as follows:
(1) Press until the lower display shows “MEASURE".
(2) Press to select the desired thermocouple type.
(3) Connect the leads as shown in Figure5- 8.
You should see the measurement readings in the lower display.
CAUTION: Please pay attention to the cold junction temperature, and if necessary, press to set the cold
junction temperature manually.

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3.9 Measuring Temperature with RTDs
The EDEKA TC-200 Multi-function process calibrator accepts RTD types shown in
Table5- 2. RTDs are characterized by their resistance at 0°C, which is called the “ice
point” or R0. The most common R0is 100Ω. The EDEKA TC-200 Multi-function process
calibrator accepts RTD measurement input in 2-, 3-, or 4-wire connections, with the
3-wire connection the most common. Change the unit of temperature according to ‘8
Switching Temperature Unit’.
To measure temperature using an RTD input, proceed as follows:
(1) Press until the lower display shows “MEASURE”.
(2) Press to select the desired RTD type.
(3) Press to select a 2-, 3-, or 4-wire mode. Connect the test leads as shown in
Figure5- 9.
CAUTION: Clear of RTD before measuring, according to ‘8.4 Clear of Resistance and RTD’.
Table5- 1 Thermocouple Types Accepted
Type
Specified Range
J
(-200~1200)°C
K
(-200~1370)°C
T
(-200~400)°C
E
(-100~950)°C
R
(-20~1750)°C
S
(-20~1750)°C
B
(600~1800)°C
N
(-200~1300)°C
Table5- 2 RTD Types Accepted
Type
Ice Point（R0）
α
Range
Cu50
50Ω
0.00428Ω/°C
(-50~150)°C
Pt100(385)
100Ω
0.00385Ω/°C
(-200~800)°C
Pt100(3916)
100Ω
0.003916Ω/°C
(-200~510)°C
Pt200(385)
200Ω
0.00385Ω/°C
(-200~630)°C
Pt500(385)
500Ω
0.00385Ω/°C
(-200~630)°C
Pt1000(385)
1000Ω
0.00385Ω/°C
(-200~630)°C

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Figure5- 8 Measuring Temperature with a TC
Figure5- 9 Measuring Temperature with an RTD
IV.Using Source Mode
In Source mode, the EDEKA TC-200 Multi-function process calibrator generates
calibrated signals for testing and calibrating process instruments, supplies voltages and
resistances, and simulates the electrical output of RTD and TC temperature sensors.
These signals are sourced and shown in the lower display.
4.1 Sourcing Voltage
To select a voltage sourcing function, proceed as follows:
(1) Press until the lower display shows “SOURCE”.

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(2) Press to select voltage until the display shows “V” or “mV”.
(3) Connect the test leads as shown in Figure6- 1.
(4) Enter the desired output value by pressing numeric keypads and press .
4.2 Sourcing Current
The function of Sourcing Current is only applicable to EDEKA TC-200 Multi-function
process calibrator. To select a current sourcing function, proceed as follows:
(1) Press until the lower display shows “SOURCE”.
(2) Press to select current until the display shows “mA”.
(3) Connect the test leads as shown in Figure6- 2.
(4) Enter the desired output value by pressing numeric keypads and press .
Figure6- 1 Voltage Sourcing Connections
Figure6- 2 Current Sourcing Connections

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4.3 Sourcing Resistance
To select a resistance sourcing function, proceed as follows:
(1) Press until the lower display shows “SOURCE”.
(2) Press to select resistance until the display shows “Ω”.
(3) Connect the test leads as shown in Figure6- 3.
(4) Enter the desired output value by pressing numeric keypads and press .
CAUTION: Clear of resistance before sourcing according to ‘8.4 Clear of Resistance and RTD’.
4.4 Sourcing Frequency
The function of Sourcing Frequency is only applicable to EDEKA TC-200 Multi-function
process calibrator. To select a frequency sourcing function, proceed as follows:
(1) Press until the lower display shows “SOURCE”.
(2) Press to select frequency until the display shows “Hz”.
(3) Connect the test leads as shown in Figure6- 4.
(4) Enter the desired output value by pressing numeric keypads and press .
Amplitude of the output frequency is displayed at the bottom right corner. You can press
to adjust the amplitude. The step of amplitude is 0.5V, and the range is (0-8)V.
Figure6- 3 Resistance Sourcing Connections