Energy Meter On-site Calibrator

Suitable for on-site verification of single/three-phase energy meters, it complies with the on-site application requirements of power grid companies. As a high-efficiency tool specially designed for on-site power metering operations, it integrates accurate verification of single/three-phase energy meters, in-depth harmonic analysis and rapid fault line diagnosis. Adopting a mini portable design and equipped with a large high-definition display, it supports one-key operation and handheld device interconnection. Easily coping with complex on-site environments, it helps power personnel efficiently complete error detection, power quality evaluation and fault location, and serves as an intelligent tool to ensure the stable operation of power grids.

Functions

High Precision
Current measurement accuracy reaches 0.02%, power/energy accuracy 0.05%. Supports dynamic energy measurement
Portable and Convenient
Dual control design, touch large screen + compact button design, enhancing on-site usability
High Adaptability
Backed by rigorous environmental testing, fully compliant with high and low temperature / high humidity / EMC standards, and supports optional multiple clamp meters
Intelligent and Efficient
Can achieve mobile detection through ESAM encrypted connection to a unified management platform

Technical Parameters

Voltage Measurement
Voltage Measurement Range	30 V … 480 V
Voltage Measurement Accuracy	± 0.05%
Input Current Measurement
Direct Measurement	0.05% (0.02 A … 10 A)
Clamp Meter Measurement	0.2% (10% In … 120% In)
Phase Measurement Range	0.00°~359.99°
Direct Measurement	0.05°
Clamp Meter Measurement	0.2°
Harmonic Measurement
Harmonic Measurement Range	2nd … 63rd
Frequency Measurement
Frequency Measurement Range	45 Hz … 65 Hz
Frequency Measurement Accuracy	0.01 Hz
Power Factor Measurement
Power Factor Measurement Range	– 1.0 … 0 … + 1.0
Active Power Measurement
Direct Measurement	0.05% (0.02 A … 10 A)
Clamp Meter Measurement	0.2% (Voltage 30 V … 480 V, 10% In … 120% In, PF ≥ 0.5)
Reactive Power Measurement
Direct Measurement	0.1% (30 V … 480 V, 0.02 A … 10 A, PF ≥ 0.5)
Clamp Meter Measurement	0.2% (30 V … 480 V, 10% In … 120 In, PF ≥ 0.5)
Other Indicators
Operating Power Supply/Power Consumption	AC 85 V … 265 V, 50 Hz ± 5% / ≤ 15 VA
Harmonic Measurement Range	2nd … 63rd
Operating Temperature / Relative Humidity	0 ℃ … 40 ℃ / ≤ 95% RH Non-condensing