Explosion proof gas detector-transmitter
24 V DC, 4-20 mA, RS485 | Tocsin 903 Oliver IGD

The Tocsin 903 provides a local display and control facility for the Tocsin 102 series gas detectors in Zone 1 and 2 hazardous areas. In addition to being equipped as a 4-20mA process transmitter the Tocsin 903 is also fitted with serial digital addressable capability. The unit is fully compatible with Tocsin 700 and Tocsin 920 Control Panels which offer both addressable and analogue inputs as well as Modbus serial outputs. More conventionally the Tocsin 903 can be interfaced directly into DCS/BMS systems using its 4-20mA Process output. An alarm relay output card is available. To compliment the system a range of accessories, calibration sets and audio visual alarms are available.

Features:

24V DC Powered
Analogue or Digitally Addressable Output Options
User configurable alarms
Add extra alarm relay outputs
RS485 I/O Capability