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Specifications
SKU: ERANNTEX Fixed Hydrogen Alarm
The Eranntex GTYQ-MIC-500S-H2-A Fixed hydrogen alarm features explosion-proof, lightning-proof, anti-static, and reverse-polarity protection, as well as EMI, EMC, and pulse surge current resistance. It complies with the latest national standards and holds the CPA measuring instrument production license and explosion-proof certification. It supports three- or four-wire 4-20mA standard signal output, voltage output, and two relay switches. It also features a standard RS485 bus output (RTU format) and on-site audible and visual alarms. It offers optional wired, LAN, internet, and 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 is user-friendly and practical. It can communicate with a computer, allowing real-time monitoring of probe concentration via a host computer, and data storage, analysis, and printing. Units can be switched between each other, automatically tracking the zero point to prevent drift, and offers multi-level calibration. OEM and ODM customization is also supported.
Eranntex GTYQ-MIC-500S-H2-A Fixed Hydrogen Alarm Technical Specifications:
Detected Gas: Hydrogen
Detection Principle: Electrochemical (trace concentrations), catalytic combustion (lower explosion limit), thermal conductivity (high concentrations) available
Display: High-definition 1.7-inch color screen with 320x240 resolution, optional high-brightness LED display
Detection Range: 0-1000, 2000, 20,000, 40,000 ppm, 100% LEL, 100% Vol, 99.999% Vol available
Resolution: 0.1 ppm (0-1000 ppm); 1ppm (0-1000ppm and above); 0.1%LEL, 0.01%Vol, or 0.001%Vol
Detection Method: Diffusion measurement, with options for pipeline, flow-through, and pump-based measurement
Mounting Method: Wall-mounted, with options for pipeline and flange mounting
Detection Error: ≤±3% (F.S.), higher accuracy available on request
Response Time: T90 ≤30s
Output Signal: Three-wire or four-wire 4-20mA, relay (passive or active), RS485-RTU bus
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 ranges available Use in environments requiring a custom or optional pre-conditioning system.
Relative Humidity: ≤95% RH (non-condensing). Use in higher humidity environments requiring a custom or optional pre-conditioning system.
Operating Voltage: 12-30V (DC). Standard power supply for a single unit is 24V, 1A or greater DC switching power supply or regulated power supply.
Sensor Lifespan: 2-3 years.
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, and M20 x 1.5 optional.
Ingress Protection: IP65.
Dimensions: 230 x 152 x 90mm or 230 x 210 x 90mm (including audible and visual alarm).
Weight: Approximately 1.6kg.
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