Introduction: Overview of Carbon Monoxide Alarm Device; The carbon monoxide alarm is used to detect the concentration of carbon monoxide in various environments. It adopts imported electrochemical/NDIR infrared absorption gas sensor and microcontroller technology, with response speed, measurement accuracy, stability, and repeatability. CO detection
Carbon monoxide alarmsummary;
The carbon monoxide alarm is used to detect the concentration of carbon monoxide in various environments. It adopts imported electrochemical/NDIR infrared absorption gas sensor and microcontroller technology, with response speed and measurement accuracy,
Stability and repeatability. The CO detector is divided into fixed installation and handheld portable, using a high-definition 2.4-inch industrial grade color screen, which can display real-time curves of gas concentration and be automatically calibrated by software
The sensor has up to 6 levels of target point calibration function, ensuring accuracy and linearity of detection, and has data recovery function.

Carbon monoxide alarmsignal output
?4-20mA、RS485、0-5V、0-10V
Multiple transmission methods available: 3-4 core cable, fiber optic cable, Ethernet cable, GPRS wireless transmission, RTU wireless transmission
Multiple data reception methods: user computer, control alarm PLC、DCS、 Mobile phones, tablets, etc
Carbon monoxide alarmTechnical parameters:
Gas detection: Carbon monoxide (CO), imported electrochemical/NDIR infrared absorption gas sensor
Measurement range: 0-100, 500, 1000, 2000, 5000, 10000, 40000 PPM, 0-20%, 50%, 100% VOL optional
Resolution: 0.01ppm (0-100ppm), 0.1ppm (0-1000ppm), 1ppm (0-40000ppm), 0.01% VOL
Response time: ≤ 20 seconds (T90) Detection accuracy: ≤± 3% (depending on the specific sensor)
Linear error: ≤± 1% Zero drift: ≤± 1% (F.S/year)
Recovery time: ≤ 20 seconds Gas expansion: supports 1-6 sensors (optional)
Repeatability: ≤± 1%
Protection level: IP66
Temperature and humidity: optional accessories, temperature detection range: -40~120 ℃, humidity detection range: 0-100% RH
Detection methods: diffusion type, flow type, pump suction type optional
Installation methods: wall mounted, pipe mounted (thread size: M40X1.5mm), flow-through
Signal output: ① 4-20mA signal: standard 16 bit precision 4-20mA output chip, transmission distance of 1km
② RS485 signal: using standard MODBUS RTU protocol, transmission distance of 2Km
③ Voltage signal: 0-5V, 0-10V output, customizable
④ Switching signal: Standard configuration includes 2 sets of relays, optional third set of relays, passive contacts, capacity 125VAC/0.3A 30VDC/1A
Transmission method: ① Cable transmission: 3-core, 4-core cable, long-distance transmission (1-2 kilometers)
② TCP/IP transmission: Supports TCP/IP protocol, utilizing fiber optic and Ethernet cables for real-time transmission over long distances via internal and external networks (optional)
③ GPRS transmission: Equipped with a built-in GPRS module, real-time remote data transmission is possible without distance limitations (optional)
④ Wireless transmission: Supports 433MHz, wireless radio transmission mode, transmission distance 2-10Km, depending on different power levels (optional)
Receiving devices: user computer, control alarm PLC、DCS、 Mobile phones, tablets, and other optional devices
Alarm methods: on-site sound and light alarm, external alarm, remote controller alarm, computer data acquisition software alarm, SMS alarm optional
Alarm settings: ① Standard configuration with two-level alarms, optional three-level alarms
② The gas sensor can be set with two alarm modes: conventional high and low alarm, and interval control, which can control the concentration range of the gas
Shell material: die cast aluminum+sandblasted oxidation/fluorocarbon paint, explosion-proof and corrosion-resistant
Working environment: Working temperature -30~50 ℃ (customized or optional pre-treatment system is required for use in higher temperature and humidity environments)
Working humidity ≤ 95% RH, no condensation
Work pressure 90-110Kpa
Working power supply 24VDC (12-30VDC)
Electrical interface with 3/4 "NPT internal thread and 1/2" NPT internal thread, supporting two electrical connection methods simultaneously
Size and weight: 196 * 170 * 80mm (L × W × H) 1.5Kg (net weight)
Standard accessories: instruction manual, certificate of conformity, calibration cover
Execution standard: GB3836.1-2010 "Explosive Atmosphere Part 1: General Requirements for Equipment"
GB3836.2-2010 Explosive Atmosphere Part 2: Equipment Protected by Flameproof Enclosures "d"