Portable formaldehyde detector ET93-CH2O

The portable formaldehyde detector adopts imported electrochemical formaldehyde sensors, which have fast response speed, high measurement accuracy, good stability and repeatability, and the overall performance is at the leading level in China

The portable formaldehyde detector adopts imported electrochemical formaldehyde sensors, which have fast response speed, high measurement accuracy, good stability and repeatability, and the overall performance is at the leading level in China.

Built in micro vacuum pump&stable, accurate and fast

Original imported high-precision sensor with rapid response

·Can access historical data, with functions such as storage, data export, temperature and humidity detection, etc
·Compliant with the latest national standards and obtained qualifications such as CMC measuring instrument production license and explosion-proof certification

Multi unit switching&dust-proof design

·Adopting dust-proof design and water vapor filtration, equipped with filters, it can be used in various harsh situations
·Simultaneously detect 1-4 gases, with any combination of sensors
·PPM,% VOL, mg/m3, and mg/L concentration units can be freely switched
·Chinese and English menus, sound and light alarms, user-friendly human-machine interface

Rechargeable battery&Automatic calibration

·Built in 4000mA high-capacity polymer rechargeable battery with ultra long standby time
·USB can be charged anytime and anywhere, and can be used for charging on computers or power banks. It has functions such as overvoltage protection, overcharge protection, anti-static interference, and anti magnetic field interference
·Full software automatic calibration, sensor up to 6 levels of target point calibration function, ensuring measurement accuracy and linearity, and with data recovery function

Technical Parameter

Gas detection:	Formaldehyde (CH2O) uses imported electrochemical formaldehyde sensors with a service life of up to 3 years
Measurement range:	0-10、50、100、500、1000、2000、5000PPMoptional
Resolution:	0.001PPM（0-10PPM）The0.01PPM（0-100PPM）The0.1PPM（0-1000PPM）
Temperature and humidity:	Optional accessories, temperature detection range: -40~120 ℃, humidity detection range: 0-100% RH
Detection method:	Pump suction, built-in strong suction pump, adjustable flow rate: 100-1000mL/min, can work in a micro negative pressure environment
Gas expansion:	Support 1-4 sensors (please consult customer service for customization)
Detection accuracy:	≤±3%	Linear error:	≤±1%
Response time:	≤ 20 seconds (T90)	Zero drift:	≤± 1% (F.S/year)
Recovery time:	≤ 20 seconds	Repeatability:	≤±1%
Detection mode:	Real time detection and scheduled detection can be set
Storage mode:	Real time storage and scheduled storage can be set; Can store 120000 sets of data and view historical data on the screen
Explosion proof mark:	ExdII CT4 (intrinsic safety type)	Shell material:	ABS+PC
Protection level:	IP65	Working temperature:	-30 ～ 60℃
Working power supply:	4000mA rechargeable polymer battery	Working humidity:	≤95%RH， No condensation
Size and weight:	180*85*55 mm（L×W×H） 0.5 Kg (net weight of instrument)	working pressure:	-30Kpa ～ 200Kpa
Standard accessories:	1 instrument box, instruction manual, certificate of conformity, USB charger, data cable, calibration cover
Execution standards:	GB3836.1-2010 Explosive Atmosphere Part 1: General Requirements for Equipment
	GB3836.4-2010 Explosive Atmosphere Part 4: Equipment Protected by Intrinsic Safety Type "i"