Fixed CO Gas Detector Carbon Monoxide Monitor
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Model: HNAG1000-CO
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Detection: CO (Carbon Monoxide)
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Detection Principle: Electrochemistry
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Detection range: 0-1000PPM
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Product Description
High-Precision Fixed CO Gas Detector for Industrial Safety
The HNAG1000-CO-Z online carbon monoxide gas concentration detector is engineered for real-time and accurate detection of CO gas concentrations and hazardous leaks in diverse industrial environments. Utilizing advanced electrochemical testing principles and microcontroller technology, it delivers rapid response times (T90<10S), high measurement accuracy (±3%F.S), and exceptional stability.
Robust Explosion-Proof Design and Aluminum Alloy Housing
Safety is paramount in petroleum, petrochemicals, and metal smelting plants. This CO gas detector features an explosion-proof wiring method with an Ex d IIC T6 rating, making it fully suitable for hazardous areas. Protected by a heavy-duty aluminum alloy housing with an IP66 protection grade, it effectively resists splashing water and short periods of rain.
Versatile Signal Output and IoT Integration
This industrial gas alarm is compatible with various control alarms, PLCs, DCS, and DDC receiving equipment. It simultaneously delivers on-site warnings and remote signals through multiple pathways:
Wired Outputs: Standard 12-bit precision 4-20mA current output and RS485 digital output (MODBUS RTU protocol, up to 1Km transmission).
Relay & Wireless Options: Passive contact relay switching output, alongside optional built-in LORA/ZigBee or external GPRS/4G modules for cloud platform monitoring.
Smart Infrared Remote Control & HD Color Screen
Equipped with a 2.5-inch high-definition color screen, the unit clearly displays real-time concentration, temperature, and humidity. Thanks to the standard infrared remote control, operators can perform zero adjustments and calibration safely without opening the housing cover in hazardous zones.
Installation Guidelines & Accessories
For optimal performance, the detector should be mounted within 1 meter of potential leak sources. Since carbon monoxide has a specific gravity close to air, proper wall or bracket installation ensures instant response. Each unit comes standard with a detector, manual, remote control, and qualification certificate, with optional flow cells and 24V adapters available.
Frequently Asked Questions (FAQ)
Q1: What is the maximum transmission distance for the 4-20mA and RS485 signals?
A1: Both the standard 4-20mA current output and the RS485 digital signal (MODBUS RTU protocol) support a stable transmission distance of up to 1 kilometer.
Q2: Can the detector be operated without opening its cover during maintenance?
A2: Yes. The included infrared remote control allows engineers to perform settings, zero-point calibration, and alarm checks safely without opening the flameproof housing in hazardous environments.
Q3: What are the IP and explosion-proof ratings of this CO detector?
A3: The device features an IP66 rating for superior waterproof and dustproof protection, alongside an Ex d IIC T6 explosion-proof certification for high-risk industrial safety applications.
Q4: What are the cable requirements for connecting the fixed detector over long distances?
A4: For 4-20mA signal transmission, a three-core shielded cable should be used; for RS485 communication, a four-core cable is required. If the distance exceeds 1000 meters, the single wire diameter must be at least 1.5mm², and the shielding layer must be properly connected to the earth.
Q5: Can this detector be linked directly to ventilation fans or solenoid valves?
A5: Yes. In addition to standard analog and digital outputs, the unit features a passive contact relay switching output (rated 220VAC/3A or 24VDC/3A) that can directly drive external equipment such as solenoid valves, exhaust fans, and alarms.
Q6: What optional accessories are available for extreme working conditions?
A6: We offer a variety of optional accessories including normal/high-temperature and high-humidity pretreatment systems, high-temperature and high-dust pretreatment systems, pressure-reducing valves, flow meters, external sampling pumps (24VDC/220AC), and power adapters.
Q7: How does the device handle lightning or static electricity interference outdoors?
A7: The detector features an intrinsically safe circuit design with secondary lightning protection and anti-static capabilities that exceed national standards, allowing it to withstand high-intensity pulse surge current impacts safely.
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