Omega CL123 is a versatile calibrator that can generate and measure mA, mV, V, Hz, and thermocouple signals. It features a backlit LCD display, a keypad for easy data entry, and a range of functions to make calibration tasks quick and simple. With its high accuracy and wide range of capabilities, the Omega CL123 is an ideal tool for a variety of applications, including:
- Testing and calibrating sensors: The Omega CL123 can generate precise mA, mV, V, and Hz signals, making it ideal for testing and calibrating sensors used in industrial, automotive, and other applications. It can also measure the output of sensors to verify their accuracy.
Omega CL123 is a versatile calibrator that can generate and measure mA, mV, V, Hz, and thermocouple signals. It features a backlit LCD display, a keypad for easy data entry, and a range of functions to make calibration tasks quick and simple. With its high accuracy and wide range of capabilities, the Omega CL123 is an ideal tool for a variety of applications, including:
- Testing and calibrating sensors: The Omega CL123 can generate precise mA, mV, V, and Hz signals, making it ideal for testing and calibrating sensors used in industrial, automotive, and other applications. It can also measure the output of sensors to verify their accuracy.
Table of Contents
I. PANEL DESCRIPTION...............................................................1
II. OPERATING INSTRUCTION ................................................6
1. MA OUTPUT..................................................................................... 6
1a. General Operation 4 - 20mA ...................................................... 6
1b. Select 0 - 20mA or 0 - 24mA ...................................................... 8
1c. Enter a value less than 1............................................................ 9
2. MV, V OUTPUT................................................................................ 9
2a. General Operation 0 - 100mV..................................................... 9
2b. Select 0 - 1V or 0 - 12V.............................................................11
2c. Enter a value less than 1...........................................................12
3. HZ, FREQUENCY OUTPUT.................................................................12
4a. General Operation....................................................................14
4b. Select °C, or °F.......................................................................16
4c. Select K, J, E, or T type Thermocouple.....................................17
4d. Enter a Negative Temperature...................................................18
5. % INPUT IN THE MA, MV, V FUNCTIONS................................................19
6. EASY STEP IN THE MA, MV, AND V FUNCTIONS .....................................21
7. AUTO RAMP IN THE MA, MV, AND V FUNCTION......................................23
8. HOW TO GET NEGATIVE OUTPUT...........................................................................26
III. ELECTRICAL SPECIFICATION............................................27
IV. USE THE AC ADAPTER........................................................32
V. USE EXTERNAL BATTERY PACK.......................................33
VI. BATTERY REPLACEMENT..................................................34
1
I. Panel Description
1. LCD DISPLAY 6. NUMERICAL & FUNCTION KEYPAD
2. THERMOCOUPLE SOCKET 7. STAND
3. ON/OFF BUTTON 8. AC ADAPTOR INPUT SOCKET
4. SHIFT BUTTON 9. OUTPUT LEADS
5. FUNCTION SELECT SWITCH
7
8
1
K J E T
0-24mA
ENTER
PROCESS
CALIBRATOR
6
_
%
¡D
7
0
8
%
%
mV 1V
4-20mA
1
4
12V
¢X
2
¢X
5
0-20mA
C F
9
V
mV
Hz
mA
F
¢X
C
¢X
5
ON/OFF
SHIFT
3
6
TC
+
-
4
3
2
9
2
1. mVAHz: Units
2. 04-204mA : Range of mA
3. %: Percentage
4. JKET: Thermocouple type
5. : Ramp
6. OPR : Operate, Output, Normal
7. OL: Overload, Output, Abnormal
8. STBY: Standby, Internal Calibration in Progress
9. SHIFT: Select SHIFT functions
10. : Battery low
3
4-20mA 0-20mA 0-24mA
1 2 3
mV 1V
12V
4
1
.
Press SHIFT button, and then press one of these three buttons to select
desired mA range
2.
Press SHIFT button, then press this button to select desired mV or V range
12V
4-20mA
mV 1V
7
¡D
%
C F
0-20mA
8
_ %
%
0
4
5
¢X¢X
ENTER
9
0-24mA
K J E T
6
1 2 3
4
3.
Press SHIFT button, then press this button to select ° C or ° F
4.
Press SHIFT button, then press this button to select desired type of
thermocouple.
5.
Press SHIFT button, then press this button to perform auto-ramp function.
To stop the auto-ramp function, press this button again
C F¢X ¢X
5
K J E T
6
7
5
6.
Press this button to enter negative temperature. Or press SHIFT button,
then press this button first to enter percentage in the mA, mV, and V
functions.
7.
While the calibrator is in the SHIFT mode, and the percentage is entered,
press this button to increment %.
8.
Always press this button to complete the entry of numbers.
%
¡D
_
0
%
8
%
ENTER
6
II. Operating Instruction
1.mA Output
1a. General Operation 4 - 20mA
1 Turn the power on, and wait until the STBY symbol disappears
(about 1 min.)
2 Plug the test leads into the output connectors of calibrator
accordingly (Black to black, red to red). Attach alligator clip if
necessary.
3 Move the sliding switch to mA position
4 Press the keypad (including the decimal point) to enter the value
of mA directly.
5 Using the test leads or alligator clips, touch or clip on the
terminals to be calibrated.
Note: Always waits until STBY (standby) symbol in the LCD disappears
before any operation.
31 2
CALIBRATOR
0-24mA
ENTER
PROCESS
%
_
¡D
%
%
0
4
12V
mV 1V
4-20mA
7
¢X
5
0-20mA
C F
8
Hz
¢X
C
¢XF
SHIFT
6
V
mV
9
K J E T
mA
ON/OFF
+-
TC
8.000mA
¢X
7
Note: Maximum 5 digits can be entered. If users enter less than 5 digits
(1 to 4 digits), users must press ENTER button to indicate the end of
entry. If users enter 5 or more digits, calibrator will automatically end the
entry and output specified value current.
8
1b. Select 0 - 20mA or 0 - 24mA
The default setting for mA function is 4 - 20mA. But users can select 0 -
20mA or 0 -24 mA by pressing the SHIFT button to enter the SHIFT mode.
Then press the NUMBER 2 or NUMBER 3 button to select desired DC
current range. After desired range is selected, press the shift button to exit
the SHIFT mode. Corresponding current range symbol will be displayed in
the LCD.
mV 1V
0-24mA
K J E T
CALIBRATOR
PROCESS
ENTER
%
%
¡D
_
0
%
21
4-20mA
7
mV 1V
12V
4
0-20mA
8
C F
5
¢X
Hz
F¢X
C
¢X
3
SHIFT
9
mV
V
6
mA
ON/OFF
TC
- +
%
CALIBRATOR
PROCESS
0
%
¡D
_ %
ENTER
Hz
F¢X
C
¢X
mV
ON/OFF
+
7 8
12V
4
5
¢X C F
9
V
6
K J E T
-
TC
SHIFT
mA
¢X ¢X
3
0-24mA
2
0-20mA
1
4-20mA
9
1c. Enter a value less than 1
In the mA functions, the standard way to enter a value less than 1 is to
press leading 0 before pressing the decimal point. Though the decimal
point can be entered, the decimal point will not be shown in the LCD.
2. mV, V Output
2a. General Operation 0 - 100mV
1. Turn the power on, and wait until the STBY symbol disappears
ENTER
Hz
¡D
_ %
PROCESS
CALIBRATOR
%
0
F¢X
C
¢X
C F
0-20mA
12V
4
mV 1V
7
¢X ¢X
5
%
8
4-20mA
1 2
ON/OFF
SHIFT
K J E T
6
9
V
mV
-
0-24mA
3
+
TC
mA
10
(about 2
min.).
2. Plug the test leads into the output connectors of calibrator
accordingly (Black to black, red to red). Attach alligator clip if
necessary.
3. Move the sliding switch to mV, V position
4. Press the keypad (including the decimal point) to enter the value
of mA directly.
5. Using the test leads or alligator clips, touch or clip on the
terminals to be calibrated.
Note: Always wait until STBY (standby) symbol in the LCD to disappear
before any operation.
Note: Maximum 5 digits can be entered. If users enter less than 5
digits (1 to 4 digits), users must press ENTER button to indicate the end
of entry. If users enter 5 or more digits, calibrator will automatically end
the entry and output specified value current.
mV
%
ENTER
PROCESS
CALIBRATOR
_
¡D
%
%
0
Hz
¢XC
¢X
F
0-24mA
1 2
4
12V
mV 1V
4-20mA
7
¢X
5
0-20mA
C F
8
3
SHIFT
6
V
9
K J E T
mA
ON/OFF
+-
TC
REDBLACK
¢X
100.00mV
11
2b. Select 0 - 1V or 0 - 12V
The default setting for mV, V function is 0 - 100.00mV. Users can
select 0 - 1.0000V or 0 -12.000V by pressing the SHIFT button to enter
SHIFT mode. Then press the NUMBER 4 button repeatedly to select
desired DC voltage range. After desired range is selected, press the
SHIFT button again to exit the SHIFT mode. Corresponding voltage
range symbol will be displayed in the LCD.
4-20mA
ENTER
PROCESS
CALIBRATOR
K J E T
0-24mA
5
mV 1V
12V
7
%
¡D
_
C F¢X
8
%
0
%
4-20mA
4
1
0-20mA
2
6
V
Hz
9
mV
mA
¢X
C
¢XF
-
+
ON/OFF
SHIFT
TC
3
65
mV
CALIBRATOR
PROCESS
8
C F
7
¢X¢X
%_
0%
¡D
%
K J E T
V
Hz
ENTER
9
mA
C
¢X
F¢X
+
ON/OFF
-
2
0-20mA
1
TC
0-24mA
3
SHIFT
¢X 12V
mV 1V
4
12
2c. Enter a value less than 1
In the mV/V functions, the standard way to enter a value less than 1 is
to press
the leading 0 before pressing the decimal point. Though the decimal
point can be entered first, the decimal point will not be shown in the
LCD.
3. Hz, Frequency Output
1.Turn the power on, then plug the test leads into the output connectors
of calibrator accordingly (Black to black, red to red). Attach alligator
clip if necessary.
2. Move the sliding switch to Hz position
13
3. Press the keypad (excluding the decimal point) to enter the value of
Hz directly.
4. Using the test leads or alligator clips, touch or clip on the terminals
to be calibrated.
5.Because not all the frequencies are available between 126 to
62500Hz, calibrator will automatically adjust and display the users
input value to a frequency, which is available and always larger or
equal to users input.
Note: The resolution of Hz function is 1 Hz. For the range 1-125Hz, all
the frequencies in between are available. But for the range 126 -
62500Hz, not all the frequencies are available (total 604 frequencies
available). Please refer to section III Electrical Specifications for
available frequencies.
4. Thermocouple Calibration of °C, °F.
0-20mA 0-24mA4-20mA
C F
PROCESS
CALIBRATOR
%
0
¡D
_
%
¢X
5
%
8
4
12V
7
mV 1V
Hz
ENTER
C¢X
F
¢X
mV
6
9
K J E T
SHIFT
mAV
1 2
TC
-
3
+
ON/OFF
25000Hz
¢X
14
4a. General Operation
1. Turn the power on, and wait until the STBY symbol disappears
(about 1 min.).
2. Plug the corresponding connector (K-type connector for K-type
thermocouple, J-type connector for J-type thermocouple, ...) into TC
terminals of calibrator and thermometer to be calibrated.
3. Move the sliding switch to °C, °F position
4. Press the keypad (including the minus - button) to enter the
value of
Temperature directly.
321
0-20mA
C F
CALIBRATOR
PROCESS
%
¡D
0
%
_ %
5
4
mV 1V
4-20mA
87
12V
¢X
Hz
ENTER
F
¢X
C¢X
mV
6
0-24mA
9
K J E T
mAV
SHIFT
TC
-
+
ON/OFF
+
-
+
-
- +
¢X
100.0¢XC
15
Note: Users can plug the connector into the TC terminals of calibrator
even before the power is turned on for better thermal equilibrium
between the TC terminal and thermocouple connector.
Note: Only in the °C and °F functions, the negative values are allowed
to be entered. To enter negative temperature, press the minus"-"
button first.
Note: Maximum 4 digits (including the "-" sign) can be
entered. If users enter less than 4 digits (1 to 3 digits),
users must press ENTER button to indicate the end of
entry. If users enter 4 or more digits, calibrator will
automatically end the entry and output specified value of
temperature.
31 2
CALIBRATOR
0-24mA
ENTER
PROCESS
%
_¡D
%
%
0
4
12V
mV 1V
4-20mA
7
¢X
5
0-20mA
C F
8
Hz
¢X
C
¢X
F
SHIFT
6
V
mV
9
K J E T
mA
ON/OFF
+-
TC
100.0¢XC
¢X
16
4b. Select °C, or °F
Users can select °C or °F by pressing the shift button to enter SHIFT
mode. Then press the NUMBER 5 button repeatedly to select desired
temperature unit. After desired unit is selected, press the SHIFT button
again to exit the SHIFT mode. Corresponding voltage °C or °F symbol will
be displayed in the LCD.
mV 1V
4-20mA0-24mA
K J E T
CALIBRATOR
PROCESS
ENTER
¡D
%
7
_
%
0
%
8
1
4
mV 1V
4-20mA
12V
2
5
0-20mA
¢X C F
mV
9
Hz
V
F
¢X
C¢X
mA
SHIFT
ON/OFF
3
6
+
-
TC
CALIBRATOR
PROCESS
ON/OFF
%
¡D
%
0
_ %
7 8
9
ENTER
1
12V
0-20mA
2
4
3
0-24mA
6
K J E T
SHIFT
+
-
TC
¢X
5
C F¢X ¢X
¢X
¢X
Hz
F
C
mAV
mV
17
4c. Select K, J, E, or T type Thermocouple
Users can select K, J, E, or T type Thermocouple by pressing the shift
button to enter SHIFT mode. Then press the number 6 button repeatedly to
select desired type of thermocouple. After desired type is selected, press
the shift button again to exit the SHIFT mode. Corresponding
thermocouple type (K, J, E, or T) symbol will be displayed in the LCD.
87
PROCESS
CALIBRATOR
0
%
_
¡D
%
%
9
ENTER
0-20mA
C F
4-20mA
12V
mV 1V
4
¢X ¢X
5
1 2
+-
ON/OFF
0-24mA
K J E T
6
SHIFT
3
TC
¢X
¢X
Hz
C
F
mAV
mV
mV 1V
4-20mA0-24mA
K J E T
CALIBRATOR
PROCESS
ENTER
¡D
%
7
_
%
0
%
8
1
4
mV 1V
4-20mA
12V
2
5
0-20mA
¢X C F
mV
9
Hz
V
F
¢X
C¢X
mA
SHIFT
ON/OFF
3
6
+-
TC
CALIBRATOR
PROCESS
ON/OFF
%
¡D
%
0
_ %
7 8
9
ENTER
1
12V
0-20mA
2
4
3
0-24mA
6
K J E T
SHIFT
+-
TC
¢X
5
C F¢X ¢X
¢X
¢X
Hz
F
C
mAV
mV
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Omega CL123 is a versatile calibrator that can generate and measure mA, mV, V, Hz, and thermocouple signals. It features a backlit LCD display, a keypad for easy data entry, and a range of functions to make calibration tasks quick and simple. With its high accuracy and wide range of capabilities, the Omega CL123 is an ideal tool for a variety of applications, including:
- Testing and calibrating sensors: The Omega CL123 can generate precise mA, mV, V, and Hz signals, making it ideal for testing and calibrating sensors used in industrial, automotive, and other applications. It can also measure the output of sensors to verify their accuracy.
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