High-Precision Meter Test Bench for Accurate Electric Meter Calibration

High-Precision Meter Test Bench for Accurate Electric Meter Calibration

Key Features

• Accurate measurement of active/reactive power and energy

• Supports start-up and no-load (creep) testing

• Automatic marking for fast and efficient tests

• Error analysis: basic error, average error, standard deviation, 24-hour drift

• Tests voltage, frequency, harmonic (2nd-21st), and phase sequence effects

• Simultaneous current testing for multiple meters on one rack

• Non-disconnect testing for voltage and current circuits

• Built-in protection for current open-circuit and voltage short-circuit

• Integrated optical scanner to improve efficiency

• Motorized and manual operation modes

• PC software for data processing, storage, and report generation

• Barcode input support

• Durable mechanical design

• Configurable from 3 to 60 meter positions

Specifications

• Input Voltage: AC 220V ±10%, 50Hz ±2Hz

• Operating Temperature: -10°C to +40°C

• Operating Humidity: 35% to 95%

• Output Voltage Range: 24V to 288V

• Maximum Output Voltage Power: 1000VA

• Voltage Resolution: 0.01%

• Voltage Stability: 0.02% per 120 seconds

• Load Variation Rate: 0.01%

• Voltage Distortion: ≤0.3% (full linear load range)

• Output Current Range: 1mA to 120A (up to 230A max)

• Maximum Output Current Power: 2000VA

• Current Resolution: 0.01%

• Current Stability: 0.02% per 120 seconds

• Load Variation Rate: 0.01%

• Current Distortion: ≤0.3% (full linear load range)

• Continuous Current: 100A

• Phase Adjustment Range: 0° to 360°

• Phase Resolution: 0.01°

• Frequency Adjustment Range: 45Hz to 65Hz

• Frequency Resolution: 0.01Hz

• Power Output Stability: 0.02% per 120 seconds