Omega Products CL531 User Manual
MILLIAMP LOOP CALIBRATOR
Extended Warranty
Program
SM
CL531
$
599
Standard
⻬ Sources and Reads
0 to 24 mA
⻬ Large, High-Contrast
Display with Bar Graph
⻬ Powers and Reads
2-Wire Transmitters
⻬ One-Handed Operation
with Step Feature
⻬ Displays mA or %
⻬ 0.05% Rdg Accuracy
OMEGA’s CL531 milliamp
calibrator can check, calibrate, and
troubleshoot 4 to 20 mA process
control loops. It features a 4-digit
display and bar graph. The highcontrast graphic display is viewable
in most lighting conditions and
angles. Output is easily adjusted
with the EZ-Dial knob.
SPECIFICATIONS
Accuracy: ±0.05% + 0.01 mA
Resolution: 0.01 mA, 0.1%
Temperature Effect: ±50 ppm/°C
Operating Temperature Range:
-20 to 60°C (-5 to 140°F)
Storage Temperature Range:
-30 to 60°C (-22 to 140°F)
Relative Humidity Range:
10% ≤RH ≤90% [ 0 to 35°C (95°F)],
non-condensing; 10% ≤RH ≤70%
[35 to 60°C (95 to 140°F)],
non-condensing
Overvoltage Protection:
120 Vrms for 30 seconds
Overload Protection: 25 mA nominal
Batteries: 2 “AA” alkaline (included)
Battery Life:
Source Mode: ≥10 hours at 12 mA
®
(Hart
disabled)
Power/Measure: 10 hours
Read: >40 hours
Loop Drive Ability: 1200 Ω at 20 mA for
life of battery
Loop Burden: <1V at 20 mA
CL531, $599, shown actual size.
Comes with test leads with
alligator clips attached
and 2 “AA” batteries.
Loop Supply Limits
(2 W Limit Sim.): 2 to 42 Vdc
Connection: Alligator test leads
attached, 610 mm (24") long
Dimensions:
121 H x 64 W x 19 mm D
(4.75 x 2.5 x 0.75")
Weight: 213 g (7.5 oz)
Source Current: Source
0 to 24 mA or -25 to 125% into
≤1200 Ω; a flashing
HIGH Ω indicator appears if
improperly connected.
2-Wire Transmitter Simulate:
Adjust loop current from 0 to
24 mA or -25 to 125% when
powered by an external
supply; LOW SUPPLY
flashes to indicate a
misconnection
Power Measure: Power the
loop and read 0 to 24 mA or -25 to
125%. CURRENT LIMITED flashes at
>24 mA, protecting devices in the loop
Read Current: Read 0 to 24 mA or
-25 to 125%; CURRENT LIMITED flashes
at >24 mA, protecting devices in the loop
E-Z Check Switch: Gives instant access
to 4 and 20 mA preset settings
E-Z Dial Knob: Adjusts output by 0.01 mA
(0.1%); push and turn for 10x faster
adjustment—by 0.10 mA (1.00%)
OMEGACARESMextended warranty program
is available for models shown on this page.
Ask your sales respresentative for full details
when placing an order. OMEGACARE
covers parts, labor and equivalent loaners.
SM
AVAILABLE FOR FAST DELIVERY!
To Order (Specify Model Number)
MODEL NO. PRICE DESCRIPTION
CL531 $599 Milliamp loop calibrator
ACCESSORY
MODEL NO. PRICE DESCRIPTION
SC-531 $60 Soft carrying case
Comes complete with test leads, operator’s manual, 2 “AA” alkaline batteries and NIST
calibration certificate.
Ordering Example: CL531, milliamp loop calibrator, $599. OCW-2, OMEGACARESMextends
standard 3-year warranty to a total of 5 years, ($107), $599 + 107 = $706.
Recommended Reference Book: Systems and Control,PE-1412, $135
See Section Y For Additional Books
D-100
INSTRUMENTATION
D
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
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