This document is the operation manual of +GF+ SIGNET 8850-1 Conductivity/Resistivity Transmitter. It introduces the product's features and characteristics, installation, product specifications, electrical connection, menu functions, etc.
This manual covers two installation options for the SIGNET 8850-1 transmitter: panel‑mount with a dedicated mounting kit, and field‑mount using the universal 3‑8050 installation kit. Detailed mechanical steps, wiring diagrams and safety warnings are provided for both configurations.
The document also describes the electrical characteristics, menu navigation, calibration procedures, and programmable output settings. It includes tables of product specifications, environmental limits, and ordering information for accessories and spare parts. This manual is written in Chinese.
| Power supply | 12‑24 VDC ±5 %, max 80 mA |
|---|---|
| Output signal | 4‑20 mA isolated, fully adjustable |
| Conductivity range | 0.055 ~ 400 000 µS |
| Resistivity range | 10 kΩ ~ 18.2 MΩ |
| Temperature sensor | PT1000, –25 ~ 120 °C |
| Enclosure rating | NEMA 4X / IP65 |
| Weight | ≈ 325 g (12 oz) |
The device operates from a 12 V to 24 V DC supply, tolerant of ±5 % and draws up to 80 mA.
The open‑collector output can be set to High, Low, or Pulse (proportional pulse) mode.