wintact Industrial Digital Handheld 4 in 1 Gas Carbon Monoxide Detector Oxygen Combustible Gas H2S Tester with 120000 Data Logging, LCD Display Sound and Light Vibration Alarm ( Item#: E8432 )

4 in 1 Gas Monitor adopts high-quality gas sensors, which displays safety and reliability with accurate measurement and stable performance. It has excellent sensitivity and repeatability, easy to use and maintain, and meets the requirements by safety monitoring in industrial site for high reliability of the equipment. The shell is made of high strength engineering plastics and compound non-slip rubber, dust and explosion-proof, with high strength and smooth handfeel.

Features:
Detect 4 kinds of gas: carbon monoxide(CO), hydrogen sulfide(H2S), oxygen(O2) and combustible gas(LEL).
Using high performance electrochemical sensor, with excellent sensitivity and excellent repeatability.The instrument adopts embedded micro control technology, simple operation, complete functions, high reliability.  
Color-screen display, user-friendly interface. There are six icon options in the main menu, namely, single measurement, multiple measurement, viewing record, alarm setting, system setting, and calibration.
Data recording and review function, continuously record 12,000 data. Review function display waveform graph easy to view data.
Bilingual Choices: Chinese and English.
Three alarm forms: Sound, light and vibration.
Battery power real time display.
Can be widely used in petroleum, chemical, environmental protection, metallurgy, refining, gas transmission and distribution, biochemical medicine, agricultural research, etc.

Specification:
Color: Black + red
Material: ABS plastic
Detection Gas: Carbon Monoxide(CO), Hydrogen Sulfide(H2S), Oxygen(O2), Combustible Gas(LEL)
Unit: CO: μmol/mol, H2S: μmol/mol, O2: %VOL, LEL: %LEL
Measurement Range: CO: 0～1000μmol/mol, H2S: 0～100μmol/mol, O2: 0～30%VOL, LEL: 0～100%LEL
Resolution: CO: 1μmol/mol, H2S: 0.1μmol/mol, O2: 0.1%VOL, LEL: 0.1%LEL
Accuracy: CO: 0~50μmol/mol(≤±5μmol/mol); 50~1000μmol/mol(≤±10μmol/mol), H2S:≤ ±5%FS, O2: ≤ ±5%FS, LEL: ≤ ±5%FS
Alarm: Sound & light vibration alarm (Alarm value can be set)                         
Response Time(90%): Less than 30 seconds      
Working Voltage: DC3.7V, 1800mAh          
Battery Model: LP103450-1800mAh rechargeable lithium battery
Explosion-proof Certificate NO.: CNEx 18.5122
Explosion-proof Mark: Ex ib IIB T3 Gb
Operating Conditions: -20～50℃ / -4～122℉, < 95%
Storage Conditions: -10～50℃ / 14～122℉, < 85%
Storage Case Size: Approx. 267 * 162 * 78mm / 10.51 * 6.38 * 3.07in
Item Size: Approx. 138 * 71 * 49mm / 5.44 * 2.80 * 1.93in
Item Weight: Approx. 251g / 8.88oz
Package Weight: Approx. 996g / 35.13oz
Package Size: Approx. 28.5 * 18.5 * 8cm / 11.22 * 7.29 * 3.15in

Package List:
1 * 4 in 1 Gas Detector
1 * Plastic Pipes
1 * USB Cable
1 * Storage Box
1 * User Manual (English)