User manual for the YTC2088 multifunction power‑meter field test instrument, covering features, specifications, operation, and troubleshooting.
The YTC2088 is a high‑precision, multifunction field test instrument for power meters, developed by Hubei Yitiancheng Power Equipment Co., Ltd. It integrates voltage and current measurement, meter verification, and wiring judgment in a single portable device with a large LCD display and full‑touch keyboard.
The manual provides detailed functional descriptions, technical specifications, physical layout, step‑by‑step operating procedures, common fault analysis, safety precautions, and several appendices with wiring diagrams and standards references. This manual is written in Chinese.
| Voltage measurement range | 0~400 V (four ranges: 50 V, 100 V, 200 V, 400 V) |
|---|---|
| Current measurement range | 0~5 A (built‑in CT) / 5 A, 25 A, 100 A, 500 A (clamp) |
| Accuracy (voltage & frequency) | ±0.05 % (±0.1 %) |
| Accuracy (current & power) | ±0.05 % (±0.1 %) |
| Operating temperature | -10 °C ~ +40 °C |
| Insulation resistance | ≥ 100 MΩ (input to chassis) |
| Standard pulse constant | 10 000 r/kWh (internal) / 10 000 r/kWh (clamp) |
| Dimensions | 32 cm × 24 cm × 13 cm |
The instrument can automatically judge 48 different wiring configurations.
It can store up to 100 groups of field calibration results.
It uses a large‑screen imported color LCD with a Chinese interface and vector graphics display.