Intelligent gas detection module

Detection gas: combustible gas, toxic gas, etc

Working pressure: 86~106kpa

Operating current: ≤ 12 Ma

Interactive mode: request ↔   response

Storage conditions: continuously powered on or stored in a sealed tank (3 ~ 20 ℃) for 6 months

PCB color: Black (color can be customized)

working temperature

Combustible gas: － 40 ℃ ～ ＋ 70 ℃ /270 ℃

Toxic gas: - 40 ℃ ~ ＋ 55 ℃

Oxygen: － 40 ℃ ～ ＋ 55 ℃

VOC： － 40℃～ ＋ 55℃

Operating voltage / resolution: depending on the sensor

Communication interface: UART (ttl232), RS232

Preheating (polarization) duration: ≥ 6h, first use or long-time power failure: ≥ 48H

Size: diameter: φ 37mm, height: 34.45mm

Operating humidity: 10 ~ 95% RH (non condensing)

Single gas sensor module

The product is designed and manufactured according to the national explosion-proof standard.

The measuring element adopts imported advanced gas sensor, which has the characteristics of accurate measurement, long service life, high stability and strong anti-interference ability; The circuit design of this module has prevented the reverse connection of the circuit, high voltage and high current. At the same time, lightning protection is considered in the product design.

Detection gas: combustible gas, toxic gas, oxygen, etc

Sampling method: diffusion type, pipeline type, circulation type and pump suction type.

Accuracy: customized as required

Temperature measurement range: interval selectable precision to be determined

Detection principle: catalytic combustion, electrochemistry, infrared, PID photo ion

Resolution: determined by detection range

Power supply: 12-35vdc, 3.3vdc ± 5%, 5VDC ± 5%, 220VDC, one of which can be selected

Humidity measurement range: 0-100% RH accuracy ± 3% (optional function)

Display unit: ppm, mg/m3, ppb, PPHM,%vol,%lel can be switched. This function is available only when the display is carried out

Types of wired output signals: TTL, RS-232, 2-wire 4-20mA, 3-wire 4-20mA, voltage 0~5/10v, 2-wire Hart, 3-wire Hart, can bus, relay switching value. One or more of them can be selected, about 0.3KG

Types of wireless output signals: WiFi, ZigBee, Lora, 433M, 800m

GPRS/3G/4G。   One of them can be selected

Structure size: divided into: split type, integrated type, round type, square type, etc

Atmospheric environment detection module

The management of air quality and environment has become a hot topic for everyone. To respond to the national call and implement the national environmental protection policy. An intelligent module for atmospheric environment monitoring with high precision and high anti-interference parameters has been developed

Detection parameters: SO2, NO2, O3, Co, PM10, PM2.5, temperature and humidity

Detection principle: electrochemical SO2, NO2, O3, CO); Laser PM10, PM2.5

Signal output: wired RS-485, RS-422 wireless GPRS

Working voltage (DC): 5.0 ± 0.5 V temperature and humidity compensation: 20

Operating current (DC): ＜ 25 mA

Working environment: temperature range: -30 ~ +50 ℃ humidity range: 15 ~ 85%rh pressure range: 80 ~ 120kPa

Resolution: SO2 ＜ 1 ppb / NO2 ＜ 1 ppb / O3 ＜ 1 ppb / Co ＜ 5 ppb/

Temperature: 0.1 ℃ / humidity: 1.0%rh

Measurement range and accuracy

SO2 0 ~ 500 ppb full scale accuracy ± 5 ppb

No2 0 ~ 500 ppb full scale accuracy ± 5 ppb

O3 0 ~ 500 ppb full scale accuracy ± 5 ppb

Co 0 ~ 4000 ppb full scale accuracy ± 5 ppb

Temperature: -40 ~ +125 ℃, accuracy ± 0.5 ℃

Humidity: 0 ~ 100% RH accuracy ± 2.0% RH

Four in one gas detection module

A high-precision and high-resolution semi-finished product module for on-line monitoring of SO2, NO2, O3, Co, PM10, PM2.5, temperature, humidity and other parameters in the atmospheric environment is developed in full accordance with the requirements of the national atmospheric environment monitoring. This module can facilitate the secondary development of customers. It can also communicate directly to the network to achieve confidential and secure communication with the server, and collect big environmental monitoring data to the "cloud platform".

Detection gas: combustible gas, toxic gas and oxygen (up to 4 kinds of gas can be detected at the same time)

Detection principle: electrochemistry, catalysis, PID, infrared, fluorescence, etc

PM2.5 detection: optional 0-1000mg/m3

PM10 detection: optional 0-1000mg/m3

Temperature and humidity monitoring: optional temperature (-40 ℃ ~120 ℃) humidity (0-100%rh) (optional)

Operating temperature: -40 ℃ ~50 ℃

Working pressure: 86kpa~106kpa

Operating humidity: 10%~95%rh, non condensing (humidity > 90%rh, optional filter for condensing) with temperature and humidity compensation

Power supply: 10~12vdc

Sampling method: diffusion type, pump type

Signal output: Wired: RS-485

Wireless: WiFi, ZigBee, Lora, 433M, 800m, gprs/3g/4g (all external). One of them can be selected