This manual provides information regarding functions, performance and operating methods that are required for using the ZJ-SD.
This manual introduces the ZJ‑SD Series smart electrostatic sensor, covering application considerations, key features, and preparation steps for measurement. It explains basic operation, main application settings, detailed configuration options, and auxiliary functions such as hold modes and threshold settings.
Appendices include troubleshooting, error messages, a glossary, specifications, dimensions, and wiring diagrams. Safety and correct‑use precautions are highlighted throughout, with guidance on installation environment, power supply, wiring, and handling to ensure reliable performance.
| Measurement cycle | 1 ms |
|---|---|
| Linear output (current) | 4 to 20 mA/F.S, max load 300 Ω |
| Voltage output | ±4 V |
| Power supply voltage | 24 VDC ±10% |
| Power consumption | 3.4 W or less (sensor connected) |
| Ambient temperature (operating) | 0 to +50 °C |
| Insulation resistance | 20 MΩ at 500 VDC |
| Weight (packed) | Approx. 350 g |
| Protection rating | IP40 |
Do not install the product in environments with flammable or explosive gases, keep it away from high‑voltage devices, ensure the supply voltage is within the rated range, avoid short‑circuiting open‑collector outputs, and always ground the 0 V terminal.
The cables for both the sensor and the amplifier unit must be 10 m or shorter in total length.