The ETCR 085K user manual describes the high‑precision open/close leak current sensor, its specifications, installation, and operation.
The ETCR 085K is a high‑precision open/close leak‑current sensor designed for power, communications, railway, oil‑field and other demanding environments. It measures AC leak current, total current, harmonic current, frequency, phase, power and energy with a four‑layer shielding design and waterproof protection.
The manual provides an introduction, technical specifications, principle of operation, installation directions, wiring details, safety standards and handling instructions. It also includes dimensions, environmental limits and recommended installation methods for wall‑mount or direct‑mount on flat‑steel grounding conductors. This manual is written in Chinese.
| Opening size | 85 mm × 20 mm |
|---|---|
| Shielding layers | 4 layers |
| Turns ratio | 1:1000 |
| Input range | AC 0.00 mA ~ 100.0 A |
| Accuracy | ±1.0 %FS |
| Operating temperature / humidity | -20 °C ~ 50 °C, ≤80 % RH |
| Insulation strength | AC 3700 V rms |
The sensor’s opening size is 85 mm × 20 mm.
Mount the sensor with the P1 side facing up and parallel to the ground.
The sensor provides an accuracy of ±1.0 %FS.