Single-Phase Energy Meter On-site Calibrator

CL1122 is a Single-Phase Electric Energy Meter On-site Calibrator, featuring easy portability. It is applicable for error calibration of various induction-type and electronic single-phase energy meters.

Functions

It adopts our company's proprietary current error curve correction technology, ensuring measurement accuracy and linearity.
It supports the measurement of voltage, current, phase, frequency, power and electric energy, as well as error calculation of energy meters.
Two testing modes are available—auto photoelectric probe testing and manual switch testing—to facilitate user operation.
It features a reverse power prompt function for easy detection of wiring errors.
A high-capacity lithium battery is built-in.

Technical Parameters

Parameter	Indicator Range
Voltage	30 V … 264 V
Current	0.05 In … 1.2 In
Frequency	45 Hz … 65 Hz
Power	Un,0.05 In … 1.2 In
Power Factor	Un, 0.2 In … In
Electric Energy	Un, 0.1 In … 1.2 In (cosφ = 1.0), Un, 0.1 In … 1.2 In (cosφ = 0.5, 0.8 C)
Output Pulse Low Frequency	3600 imp/kwh
Operating Power Supply	3.6×10^8imp/kwh
Load Characteristics	Lithium Battery Powered
Operating Temperature	23 ℃ ± 10 ℃
Relative Humidity	≤ 85% RH Without Condensation
Dimensions	122 mm × 45 mm × 178 mm (Width × Height × Depth)
Mass	Approximately 0.5 Kg

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Title: CL1122__EN__V1.0__20260124
file size: 635.09 KB
published: 24 Jan, 2026