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Specifications
SKU: ERANNTEX Fixed Wireless Combustible Gas Alarm
The Eranntex GTYQ-MIC-500S-Ex-A Fixed Wireless Combustible Gas Alarm features explosion-proof, lightning-proof, anti-static, and reverse-polarity protection, as well as immunity to EMI, EMC, and pulse surge currents. It complies with the latest national standards and holds the CMC Measuring Instrument Production License and explosion-proof certification. It supports three- or four-wire 4-20mA standard signal output, HART, voltage output, and two relay outputs. It also features a standard RS485 bus output (RTU format) and on-site audible and visual alarms. It offers optional wired, LAN, internet, or wireless transmission (2 km, 5 km, or unlimited distances), including 433, GPRS, Wi-Fi, and other methods. The standard infrared remote control allows for operation without opening the cover in hazardous locations, with a range of 15 meters. It communicates with a computer, allowing real-time monitoring of probe concentrations via a host computer, and data storage, analysis, and printing. Units can be switched between, and the alarm automatically tracks the zero point to prevent drift. It offers multi-level calibration and supports OEM and ODM customization.
Eranntex GTYQ-MIC-500S-Ex-A Fixed Wireless Combustible Gas Alarm Technical Specifications:
Detected Gas: Combustible Gas
Detection Principle: Catalytic Combustion, Optional Non-Dispersive Infrared Detection (GTYQ-MIC-500S-Ex-IR-A)
Display: High-definition 1.7-inch color screen with 320x240 resolution, Optional: High-brightness LED display
Detection Range: 0-100% LEL, 100% Volt, Other ranges available on request
Resolution Accuracy: 0.01% LEL, 0.01% Vol
Detection Method: Diffusion measurement, with pipe, flow-through, and pump-type options available
Mounting Method: Wall-mounted, pipe, and flange mount options available
Detection Error: ≤±3% (F.S.), higher accuracy available on request
Response Time: T90 ≤30s
Output Signal: Three-wire or four-wire 4-20mA, HART, relay (passive or active), RS485-RTU bus, wireless transmission
Alarm Method: One or two passive contact (dry contact) signal outputs, configurable alarm points, optional split-type audible and visual alarms
Operating Environment: Atmospheric pressure ±30%, -40°C to +70°C; higher temperature environments require customization or an optional pre-processing system. Humidity: ≤95% RH (non-condensing). Higher humidity environments require a custom pre-treatment system or optional system.
Operating Voltage: 12-30V (DC). Standard power supply: 24V DC switching power supply or regulated power supply with a power rating of 1A or greater.
Sensor Lifespan: 2-3 years for catalytic combustion sensors, 5-10 years for infrared sensors.
Explosion-proof: Flameproof, Exd II CT6.
Connecting Cable: For three-wire 4-20mA output, use a three-core shielded cable. For RS485 output, use a four-core cable. Shield connected to ground.
Electrical Ports: 3/4 NPT, 1/2 NPT, M20 x 1.5 optional.
Ingress Protection: IP67.
Dimensions: 240 x 160 x 90 mm or 240 x 220 x 90 mm (including audible and visual alarms).
Weight: Approximately 1.6 kg.
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