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The Tocsin 903 provides a local display and control facility for the Tocsin 102 series or pellistor gas detectors
in Zone 1 and 2 hazardous areas .In addition to being equipped as a 4 -20mA process transmitter the Tocsin
903 can also be fitted with serial addressable capability either using the Oliver IGD data highway to integrate
to 700 or 900 series controllers or optionally as a HART device. The unit is fully compatible with Tocsin 700
and Tocsin 900 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.

Product Attachments

View FileTOCSIN 903 Manual    Size: (634.94 KB)
View FileTocsin 903 EEX Controller Data Sheet    Size: (122.9 KB)
Technical Information

Additional Information

Manufacturer IGD