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GASMAX GX Single Channel Gas Monitor for Hazardous Locations
Brand: GDS CorporationThe GASMAX GX Gas Monitor is a single-channel, explosion-proof fixed gas monitor for all toxic and combustible gases, including volatile organic compounds.
The GASMAX GX gas monitor is an ideal solution for fixed ambient gas detection applications.
The monitor is designed to detect a wide range of toxic and combustible gases in potentially hazardous environments.
The monitor operates on +12 to +35 volts DC and outputs an industry standard 4-20 mA analog signal.
Optional programmable alarm relays and MODBUS serial slave interface allow the GASMAX GX to operate with a wide range of industry devices and system controllers.
The GASMAX GX supports both local and remote electrochemical, PID, infrared or catalytic bead sensors.
Several electrochemical sensors, including hydrogen sulfide and ammonia, are available in low, medium and high ranges.
In addition to an industry-standard 4-20mA current loop output, an optional RS-485 two-wire MODBUS® interface with optional two SPDT relays are available to communicate with controllers or drive local alarm indicators.
When used with the any controller’s MODBUS master port, multiple GASMAX GX monitors can be daisy-chained up to 500m to minimize wiring.
A special Modbus Wiring Junction Box option makes it possible to easily create the daisy chain wiring for power and Modbus signal.
The GASMAX GX can also be fitted with a 900 MHz or 2.4 Ghz radio that will allow it to communicate with compatible GDS Corp wireless controllers and alarm stations.
Features- Certified for use in Class I Div 1 hazardous areas
- Operates on +12 to +35 VDC
- Supports electrochemical, infrared and PID sensors
- Graphic display shows reading, alarms, status
- Magnetic interface supports easy field setup and configuration
- Industry standard 4-20 mA output and MODBUS serial port
- Performance certified (CSA C22.2 No.152) hydrocarbon combustible version
- Optional 2X alarm relays
- Wet contact fault output relay
- Optional 900 MHz or 2.4 GHz radio for wireless interoperability
- Local and remote sensors
Specifications
Brand
Power Input
- 10-35 VDC at < 2 watts maximum
- Surge protection on 4-20 mA output and MODBUS interface
Display
- 102 x 64 resolution graphical LCD transflective (sunlight readable) screen with white LED backlight
User Interface
- Three manual push buttons (Menu, Add, Sub) and three corresponding magnetic non-intrusive switches for setup in hazardous areas
Sensor Input
- Sensor Adapter boards support Electrochemical, Catalytic Bead, Infrared or PID Sensors
Alarm Settings
- Two user-adjustable Alarm Settings
Standard Output
- Standard 3-wire 4-20 mA current source and Fault Relay (wet contacts)
Optional Relay Output
- 2x Programmable Alarm Relays with 5A Capability
Optional Digital Output
- Single two-wire MODBUS Serial Slave Port
Optional Radio
- 900 MHz or 2.4 GHz radio Interface
Temperature
- Electronics -40°C to +60°C; Limits may vary depending on Sensor
Housing
- Aluminum Instrument Housing, 303 Stainless Steel Sensor Housing
Dimensions
- 5.5” T x 6” W x 7” H (8” W x 17” H with attachments)
Certifications
- CSA: Class I Division 1 Groups C and D, Ex d IIB T6 Gb; Class I Zone 1, AEx db IIB T6 Gb Tamb= -40C to +54C
- ATEX (without radio option): EX 2 II G; Ex db mb IIB T6 Gb Ta= -40C to +54C
- ATEX (with radio option): EX II 2 (1) G; Ex db mb IIB ia [ia Ga] T6 Gb Ta= -40C to +54C
- IECEx (without antenna fitting): Ex db mb IIB T6 Gb Ta = -40C to +54C
- IECEx (with antenna fitting): Ex db mb ia [ia Ga] IIB T6 Gb Ta = -40C to +54C
Hardware Warranty
- One-year limited warranty
Sensor Warranty
- Varies with gas type (warranty subject to verification by GDS Corp)