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CL532-Calibrator
Handheld 4-20mA Current Loop Calibrator with 24V Loop Power
Product Overview
- 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.
- Accuracy ± 0.012 %
- Accuracy Detail ±0.012% rdg + 0.004 mA
- Battery life 18hr
- Battery Size and Type Alkaline 9V
- Electrical Connection Alligator Clips
- Height 180 mm
- Lead Length 610 mm
- Length 56 mm
- Loop Supply Limits 2 to 60 Vdc; Drive Capability: 1200 Ω at 20 mA for life of battery; Burden: <2V at 20 mA
- Measuring Range Read Current: Read 0 to 24 mA or -25 to 125%; CURRENT LIMITED flashes at >24 mA, protecting devices in the loop.; Read DC Voltage: Read 0 to 60 Vdc with 2x overrange ability and flashing OVERRANGE indicator; 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.
- Miscellaneous EZ-Check Switch: Gives instant access to 4 and 20 mA or other user-set span limits; in read modes, he EZ-Check switch provides a max/min log of reading; EZ-Step Button: Allows one-handed stepping up and down the span in 6 different step sizes; Adjusts output by 0.001 mA (0.01%); EZ-Dial Knob: push and turn for 100x faster adjustment—by 0.100 mA (1.00%)
- Operating Temperature, Max 60 °C
- Operating Temperature, Min -20 °C
- Over-Voltage Protection 120 Vrms for 30 seconds, 240 Vrms for 15 seconds
- Overcurrent Protection 24 mA DC
- Relative Humidity 10% ≤RH ≤90% [0 to 35°C (32 to 95°F)], non-condensing; 10% ≤RH ≤70% [35 to 60°C (95 to 140°F)], non-condensing
- Series ID CL532-Calibrator
- Source Current Source 0 to 24 mA or -25 to 125% into ≤1200 Ω; a flashing HIGH Ω indicator appears if improperly connected
- Storage Temperature, Max 60 °C
- Storage Temperature, Min -30 °C
- Temperature Effect ±50 ppm/°C
- Weight 326 g
- Width 84 mm
Supported Applications
The Omega CL532 is a handheld loop calibrator designed to source and read DC current (mA) and DC voltage. It supports field calibration of process loops by providing functions for sourcing milliamps, simulating a 2-wire transmitter, sourcing volts, reading milliamps, powering and measuring a 2-wire transmitter, and reading volts.
The instrument includes a loop diagnostic mode that displays loop current, DC voltage, loop resistance, and AC voltage. It also indicates HART activity when present in the loop.
Operating Conditions & Performance
The CL532 operates within an ambient temperature range of -20 to 60 °C (-5 to 140 °F) with a storage temperature range of -30 to 60 °C (-22 to 140 °F). Relative humidity limits are defined as 10% ≤RH ≤90% (0 to 35 °C), Non-condensing, and 10% ≤RH ≤70% (35 to 60 °C), Non-condensing.
Performance specifications for current modes include an accuracy of ≤± (0.012 % of reading + 0.002 mA) with a resolution of 0.001 mA and 0.01 %. The measurement range covers 0.000 to 24.000 mA or -25.00 to 125.00% of the 4-20 mA span.
Voltage specifications include a read range of 0.000 to 24.000 VDC and an extended auto-ranging capability from 24.01 to 30.00 VDC (with 4X over range). Accuracy for reading volts is ≤± (0.012% RDG + 0.004 V) up to 24.000 VDC and ≤± (0.025% of reading + 0.04 V) from 24.01 to 30.00 VDC.
The unit provides over-voltage protection rated for 120 Vrms (rated for 30 seconds) or 240 Vrms (rated for 15 seconds). A low battery indication appears with approximately one hour of operation remaining.
Configuration Options
The CL532 features a high-contrast graphic liquid crystal display with 0.45" (11.4 mm) high digits and includes a quick reference bar graph with 1% resolution of the 4-20 mA signal scale.
Power and Loop Drive
- Battery: Powered by a 9V Alkaline battery; an optional AC adaptor (CL530-ADAPTOR) is available for 120 VAC 50/60 Hz operation.
- Loop Compliance Voltage: ≥24 Volts.
- Load Resistance Capability: Drives up to 1200Ω at 20 mA for the entire battery life. When HART mode is enabled, drive capability reduces to 950Ω w/HART® mode enabled due to a selectable 250 Ω series load resistor.
- Voltage Burden: ≤2V at 20 mA (read mA and 2-wire simulation).
Functional Modes
- Sourcing: Sources DC current from 0.000 to 24.000 mA and DC voltage from 0.000 to 24.000 VDC.
- Simulation: Supports 2-wire transmitter simulation with loop voltage limits of 2-60 VDC.
- EZ-Dial™ Control: Features an EZ-Dial knob for manual adjustment and access to configuration menus. Increment is 0.001 mA (or 0.01 % if display units are % of 4-20 mA).
- EZ-Step™ Functions: Provides selectable step/ramp functions with settings from 2 to 16 steps. Time settings for stepping and soak range from STEP: 5 to 900 seconds, SOAK: 0 to 900 seconds.
Configuration Options
The instrument includes several configurable features accessible via the EZ-Dial knob:
- HART® Compatibility: A switchable mode that places a 250Ω resistor in series with the output.
- EZ-Check™ HI/LO: Allows recall of maximum and minimum readings in read modes (Read mA, Power/Measure, Read V).
- Loop Diagnostic: Entry into diagnostic mode can be enabled or disabled.
- Auto Off: Default setting turns the unit off after 30 minutes without button presses; may be turned OFF for continuous operation.
Key Product Differences
The CL532 is part of the Omega CL530 Series. The primary distinction within this series is that the CL530 model functions as a milliamp loop calibrator, while the CL532 adds voltage measurement capabilities up to 24 VDC and extended read ranges.
Both models share similar physical dimensions (approximately 7.1 x 3.3 x 2.2 inches) and feature one-handed operation with alligator test leads included. The series is manufactured in the USA and includes a NIST Traceable Certificate of calibration, with test data available upon request at an additional charge.
Available accessories include the CL530-ADAPTOR (110 VAC) or CL530-ADAPTOR-220 (220 VAC) for AC power and the SC530 rugged carrying case. An extended warranty program, OMEGACARE™, is available to extend coverage beyond the standard 37-month warranty period.
PDFs & Manuals
