Sign in
by {0}
logo
Henan Duotesi Electronic Technology Co., Ltd.
Custom Manufacturer
2yrs
Henan, China
Main categories: Electrochemical Gas Sensor, Portable Gas Detector, Fixed Gas Detector
#2 fastest response time in Other SensorsMulti-Language capability: Sample-based customizationODM services availableFull customization
Top picks

Product categories

DUOTESI ATEX-Certified Portable 4-1 Multi-Gas Detector with Alarm for Gas Analyzers
$75.64-78.57
Min. order 1 piece
DUOTESI 3-Electrode Electrochemical Air Quality Sensor Carbon Monoxide Gas Detector for Multi-Gas Monitoring
$7.35-8.68
Min. order 1 piece
DUOTESI 4 Series Industrial Carbon Monoxide CO Gas Sensor 1000PPM Electrochemical Sensor
$7.35-8.82
Min. order 1 piece
DUOTESI DTS-B004 Portable 4-in-1 Industrial Safety Gas Detector Certified CE ATEX for CO H2S O2 LEL in Laboratories
$60-120
Min. order 1 piece
Featured products
DUOTESI DTS-B004 High-Precision Handheld Gas Detector Multiple Gas Analyzer Including Methane Closer Laser Technology
$70
Min. Order: 1 piece
DUOTESI 4 in 1 Portable Multi Gas Detector O2 / CO / H2S / Combustible Gas Detector with LCD Screen
$19.80-72.90
$22-81
Min. Order: 1 piece
22 sold
Portable Explosion-Proof H2 No2 Co Co2 So2 Voc Automotive Air Gas Detector With Flue Gas Probe Option
$74.70-88.20
$83-98
Min. Order: 1 piece
1 sold
Main product
DUOTESI CE ATEX Certified Fixed O2 Oxygen Gas Sensor Detector and O3 Ozone Detector LCD Display for Industrial Use
$18-152.10
$20-169
Min. Order: 1 piece
1 sold
DUOTESI 4in1 Gas Detector Co2 Detector Portable So2 Gas Meter Carbon Monoxide/Carbon Dioxide Gas Detector
$59.40-67.50
$66-75
Min. Order: 1 piece
1 sold
Main product
DUOTESI Portable 4 in 1 Multi Gas Detector O2 CO H2S Ex Methane Gas Detection Alarms Handheld Gas Detector
$72.90
$81
Min. Order: 1 piece
7 sold
DTS-B004 Portable Multigas Detector High Quality Portable Multi Gas Analyzer for Carbon Monoxide and Methane
$59.67-67.50
$66.30-75
Min. Order: 1 piece
3 sold
DUOTESI High Quality Industrial Portable 4 in 1 Gas Detector for Oxygen Concentration Detection
$74.70-88.20
$83-98
Min. Order: 1 piece
1 sold
DUOTESI High Quality Industrial Portable Gas Analyzer for TVOC CO H2S NO2 NO SO2 Methane
$59.40-67.50
$66-75
Min. Order: 1 piece
1 sold
Duotesi Portable 4-in-1 Ph3 Toxic Gas Detector Multi-functional Gas Analyzer Machine
$72
$80
Min. Order: 1 piece
2 sold
DTS-4O2 compatible O2-A2 Alphasense O2 sensor in stock electrochemistry Oxygen Sensor O2 30%VOL
$13.41-16.56
$14.90-18.40
Min. Order: 1 piece
21 sold
DUOTESI Nh3 Portable Ammonia Gas Factory Sale Gas Detector Exhaust Gas Detector With Pump
$152.10
$169
Min. Order: 1 piece
3 sold
DUOTESI High Quality Industrial Portable 4 in 1 Gas Detector for Oxygen Concentration Detection
$60-100
Min. Order: 1 piece
3 recent viewed
Industrial Gas Control System Detector CH2O Gas Detector Gas Leak Detector Monitor
$140.40-175.50
$156-195
Min. Order: 1 piece
2 sold
DTS-4NH3 1000ppm Replaceable Gs+4 Nh3-1000 Ammonia Sensors Ammonia Nh3 Detection Nh3 Gas Leak Monitoring
$38-46
Min. Order: 1 piece
2 recent viewed
DTS-4O2 electrochemical oxygen sensor O2 gas concentration monitoring can replace 4OXV and O2-A2 oxygen sensor
$13.43-15.98
$15.80-18.80
Min. Order: 1 piece
10 sold