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GDS-CH2O formaldehyde dynamic standard gas generator

NegotiableUpdate on 07/07
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Overview

The GDS-CH2O formaldehyde dynamic standard gas generator meets the requirements of the "Verification Regulations for Formaldehyde Gas Detectors" (JJG1022-2016). The system adopts a trimeric formaldehyde diffusion cracking system and a dynamic gas distribution system to generate formaldehyde standard gas.

Product Details

Overview

GDS-CH2O formaldehyde dynamic standard gas generatorMeet the requirements of the "Verification Regulations for Formaldehyde Gas Detectors" (JJG1022-2016). The system adopts a trimeric formaldehyde diffusion cracking system and a dynamic gas distribution system to generate formaldehyde standard gas.

The formaldehyde diffusion tube contains a certificate of standard substance, and the dynamic gas distribution system uses the most advanced measurement and control technology in the world. The equipment is stable and reliable, and the preparation accuracy is high. The principle of gas distribution is the mass mixing method, and the core component is the gas mass flow controller. This gas distribution method is widely used internationally and traceable. The system is equipped with a two channel gas mass flow control system, which can generate various concentrations of formaldehyde standard gas in real time.

GDS-CH2O formaldehyde dynamic standard gas generatorIt mainly consists of two parts: the trimeric formaldehyde diffusion cracking system and the dynamic gas distribution system.

purpose

Ø Calibrate formaldehyde detectors, formaldehyde alarms, etc Ø

Ø Research on formaldehyde gas testing, etc

characteristic

Ø Fully automated and intelligent control Ø

High precision and good stability

Ø High repeatability

Ø Very intelligent and easy to operate

Ø Stainless steel pipe or polytetrafluoroethylene pipe

Ø Response time less than 30 seconds

Ø traffic 10 L/min

Ø Capable of temperature and pressure calibration

Ø All gas paths have undergone anti-corrosion and anti adsorption treatment, and imported internal polishing is used for the gas paths

Ø Small size, sturdy and durable instrument box

Ø Easy to use menu

Ø Provide calibration certificate from China Institute of Metrology000-5117

Technical parameters

Main parameters

Parameter description

Principle of occurrence

Permeation diffusion mass flow mixing method

Accuracy of mass flow controller

<±1% FS

Extended uncertainty of standard substance for formaldehyde diffusion tube

< 2.1%

Range of formaldehyde gas concentration

0~3.0 ppm

Expanded uncertainty of formaldehyde gas

< 2%

Gas input pressure

0.4 MPa

System communication method

RS232/RS485

System Display

7LCDLCD touch screen

Operating temperature

5 - 40

Power requirements

AC220V 50Hz

Overall dimensions

330(L) x 179(W) x 260(H)mm

weight

6kg