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Panel Gas Detector Crowcon Gas master 4

  • Kondisi: Baru
  • Min. Pemesanan: 1 Buah
  • Etalase: Semua Etalase
Crowcon Gasmaster 4, Gas Detection Control Panel with Four 4-20mA Inputs
Self-sustaining alarm system for monitoring gas or fire, with digital display and control panel for the Crowcon gas sensors.

The Gasmaster 4 base unit is supplied without any input module and it can be equipped with max. 4 input modules.
There are 2 different types of input modules available, which need to be ordered in addition to the Gasmaster 4:
1. Input module for 4-20mA sensors and fire detectors
2. Input module for mV detectors
According to the application the Gasmaster 4 can be compositely equipped with 1 to 4 units of these input modules.

The Gasmaster 4-40-EUR-Z which we offer here, already contains 4 modules for 4-20mA sensors and fire detectors.

Technical data:
Power supply: 100-264 V AC / 50-60 Hz or 20-30 V DC, max. 60 W
Backup battery: built-in 1.2-Ah battery
Sensor inputs:
Gas: one to four 2- or 3- wire gas sensor for 4-20 mA current
loop (source or drain)
Fire: one to four loops of up to 20 conventional smoke/heat
detectors or manual alarm buttons, or one to four
flame detectors (4-20mA or digital contact signal)
ESU (sampler for gas and fumes): For use with one to four Crowcon ESU fans.
Remote inhibit: Via NO contact
Remote reset: Via NO contact

Relay outputs: 1-pole, DPCO contacts, changeover, 250 VAC / 8A
(non-inductive load)
The relays can be set as activated, non-activated,
blocking, non-blocking, or blocking acceptable.
Pre- alarm and main alarm per channel plus general
pre- and main alarm and error. The alarm relays
can be set for rising and falling alarms.
A/V alarm drive: 12 VDC or 24 VDC / 650mA max. drive.
Suitable for +ve or -ve switched alarms.
Analogue output: 4-20 mA for each channel (current source, max.
loop resistance: 700 Ohm) or 1-5 VDC
(min. load: 50 kOhm)
Digital output: RS-485 Modbus RTU for monitoring and control via
DCS/SCADA/SPS systems.
Communication port: For PC configuration and actualising of the event protocol
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