1. Introduction

TJS-1000 single phase energy auto-calibration system is a new generation, high precision energy meter calibration equipment. It uses the advanced technology and electronic components available in 90 decade. The test bench can be operated from embedded keyboard or operated from PC software.

2. Feature and function

1) Equipped with electronic phantom load power source, assuring high stability, security and large output capacity.
2) Automatic adjustment of current measurement range. Fault self-detection in voltage amplifier and current amplifier.
3) Equipped with RS-232C interface, can be operated from software.
4) Test results are saved to database, can be inquired from database and can be printed out.

3. Technical specification

Power supply: 220V+10％, 50Hz/60Hz
Maximum power consumption: 1000VA (reference for 24 positions)
Phantom load power source Technical specification
Voltage output: 1x 30V (AC) – 1 x 300V (AC);
Resolving power: 0.01％ of current range
Current output: 0.001A (AC) – 100A (AC)
Resolving power: 0.01％ of current range (min 0.0001A)
Phase shift range: 0-360°
Resolving power: 0.1°
Frequency output: 45Hz – 65Hz
Resolving power: 0.01Hz
Waveform distortion (sine wave output):
voltage < 0.5％
current < 0.5％
Stability of power source (sine wave output): < 0.1％ (180s)
Load can be resistance / inductor or capacitance(<4uF)
Output waveform: sine waveform
Output capacity:
Voltage source: 300VA-1500VA(dependent on meter positions)
Current source: 300VA-2500VA(dependent on meter positions)

4. Reference meter Technical specification

Power supply: 220V +10％, 50Hz/60Hz
Maximum power consumption: 20VA
Measurement range:
Voltage: 60V (AC) - 280V (AC)
Current: 0A (AC) - 100.0 (AC)
Accuracy: 0.02％ / 0.05％ / 0.1％
Warming up: 1 minute
Working environment:
Temperature: + 5℃～ + 40℃
Relative humidity<85％
Dimensions: 480mm X 420mm X 140mm
Weight: 2.0kg

5. Error Calculator Technical specification

Impulse of tested meter could be: TTL / OC / Optical head
Max. frequency of impulse could be: 200Hz
Error display range: 0.001％-99.99％

6.Goods list

1) Single phase power source
2) Single phase meter rack
3) Single phase Reference meter
4) Impulse input cable for each position
5) RS232C communication cable, optical sensor etc. all necessary parts.