Crowcon Gasmaster

Gasmaster can also monitor flame detectors as well as Crowcon’s ESU product. The status of each input is displayed on a large, clear LCD display, and alarms or faults are indicated by clear LEDs and an integral sounder.

Relay outputs are provided for alarms and faults, as well as dedicated outputs for audible visual alarms. An RS-485 Modbus output is provided for two-wire transfer of all data to industry-standard control systems.

Gasmaster logs all alarm and fault events so that they can be investigated at a later stage using Gasmaster PC software.

There are two versions of Gasmaster:

• Gasmaster 1 – single channel unit for one gas detector, fire zone or ESU sampling device.
• Gasmaster 4 – four channel unit for one to four gas detectors, fire zones or ESU sampling devices.

Gasmaster 1 is identifiable from Gasmaster 4 by having only a single channel display (see figure 3.2, page 18) and a de-populated terminal PCB. All operating functions are identical to Gasmater 4.

Gasmaster is designed for simple operation, and all day-to-day functions can be performed from the front panel. Please refer to section 3 for details on display operation.

Channel Input: 1-4 input

Input: mA, mV, Fire

Output: mA, RS-485

Event Logging: Yes

Battery Backupt: Yes

Relay Option: Yes

Customer Value: Large display delivers user friendly system status and maintenance functionality

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