Multifunctional Electrical Meter Calibrator

Suitable for scenarios such as power metering, industrial automation, scientific research experiments and third-party testing institutions, it helps users achieve efficient, accurate and traceable testing management.
The CL3021E Multifunctional Electrical Measuring Instrument Verification Device is an integrated AC / DC source-meter calibration equipment. It supports the calibration of various electrical measuring instruments including indicating instruments, transmitters, AC sampling RTUs, digital display meters and electric energy meters, fully meeting the requirements of relevant verification regulations. It supports both phantom load and actual load testing. Adopting a modular design, the device allows functional expansion and customized

Functions

High Precision
The device accuracy level is 0.05, and higher levels can be customized
Clamp Meter Calibration
The device can be configured with a clamp meter for actual load calibration, used for on-site inspection of equipment in operation
Supports Multi-channel Transmitter Detection
The device is configured with one small voltage and 3 small current detections for multi-channel transmitter detection
Stable and Reliable
Adopts traditional power amplifier technology and adds a new industrial control system to ensure stable, reliable, and comprehensive use

Technical Parameters

AC
Voltage Output Range	10 V … 720 V
Voltage Output Accuracy	0.05 class
Voltage Output Load	≤ 25 VA
Current Output Range	0.01 A … 30 A
Current Output Accuracy	0.05 class
Current Output Load	≤ 25 VA
Power Output Accuracy	± 0.05% (30 V ≤ U ≤ U max, 50 mA ≤ I ≤ 30 A, PF ≥ 0.5)
Frequency Output Adjustment Range	40 Hz … 70 Hz
Frequency Output Basic Error Limit	0.005 Hz
Harmonic Order	2 … 41 times
DC
Voltage Output Range	100 mV … 1000 V
Voltage Output Accuracy	0.05 class
Voltage Output Stability	0.01% RG/2min
Voltage Output Load Capacity	≤ 100 mA
Current Output Range	1 mA … 30 A
Current Output Accuracy	0.05 class
Current Output Stability	0.01% RG/2min
Current Output Load Capacity	≤ 15 V
Measurement Range	0 … ± 12 V; 0 … ± 24 mA
Accuracy	0.01 class

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Title: CL3021E__EN__V1.0__20260122
file size: 666.25 KB
published: 22 Jan, 2026