This document introduces the features of the Signet 8630-3 Chlorine Transmitter, including displaying and transmitting free chlorine and pH information, supporting 0 to 5 ppm of a wide range of free chlorine concentration inputs, automatic pH and temperature compensation or manual pH input to calculate accurate chlorine measurements.
The Signet 8630-3 Chlorine Transmitter is designed to display and transmit free chlorine and pH information when connected to compatible Signet sensors. It features a backlit LCD display, a 4-button keypad for easy setup, and supports automatic pH and temperature compensation. The unit includes dual 4-20 mA outputs and two built-in SPDT mechanical relays for versatile control applications.
| Display Range | 0 to 5 ppm |
|---|---|
| Power Supply | 12 to 24 VDC ±10% |
| Max Current Draw | 250 mA |
| Max Loop Impedance @ 12V | 50 Ω |
| Max Loop Impedance @ 24V | 600 Ω |
| Max Cable Length | 30 m (100 ft) |
| Outputs | Dual 4-20 mA |
The transmitter requires a regulated 12 to 24 VDC ±10% power supply.
The total cable length from a sensor to the transmitter must not exceed 30 meters (100 feet).
The maximum loop impedance is 50 Ω at 12V, 325 Ω at 18V, and 600 Ω at 24V.