GXH-3011AE 2-in-1 CO/CO2detectioninstrument

1、 Overview

This instrument complies with the national standards of GB/T18204.23-2000 "Method for the determination of carbon monoxide in the air of public places" and GB/T9801-88 "Determination of carbon monoxide in air quality - Non dispersive infrared method", as well as the national standard of GB/T18204.24-2000 "Method for the determination of carbon dioxide in the air of public places"; Comply with the national metrological verification regulations of JJG635-1999 "Infrared Gas Analyzer for Carbon Monoxide and Carbon Dioxide".

The main technical indicators of this instrument meet the technical requirements of national second-class instruments and can obtain a second-class calibration certificate from the Chinese Academy of Metrology.

This instrument has a built-in zero adjustment filter, a six way valve for switching zero adjustment and measurement, and is easy and flexible to operate; This instrument adopts a large screen LCD display, can automatically zero, and can display mg/m³Can store measurement data, equipped with RS232 interface and dedicated data transmission software.

This instrument can increase O₂Measurement function for temperature and humidity. It can be customized into an instrument that can continuously measure for 24 hours and has the function of directly displaying daily averages.

2、 Main technical indicators

Measurement principle: Non dispersive infrared gas analysis method/Non dispersive infrared method (NDIR)

Sampling method: built-in pump suction

·Measurement range: 0~50.0 ×10^-6CO；0~0.500%CO₂(Customizable, maximum 0-100.0%)

·Resolution: 0.1 ×10^-6CO；0.001%CO₂

·Linearity: ≤± 2% F · S

·Repeatability: ≤ 1% F · S

·Zero drift: ≤± 2% F · S/4h

·Span drift: ≤± 2% F · S/4h

·Output signal:RS232 interface, equipped with dedicated software

·Storage function: ≤ 5000 sets of measurement data

·Display function:CO：10^-6And mg/m³transformation; CO₂:% and mg/m³convert

·Start time:≤30min

·Response time: CO≤30S；CO₂≤15S

·Extraction flow rate: ≤ 1.5L/min

·Standard configuration: host, sampler, strap, rechargeable battery, charger, small screwdriver, floppy disk, connecting cable, technical documents, aluminum alloy box

·Power supply: AC/DC dual-use,220VAC or internal battery

·External dimensions:270mm×230mm×90mm

·Heavy Quantity:≤3.5kg