Portable Gas Detectors

Combustible Gas Detector XP-3140



  • For checking the gas level and gas replacement.
  • For removal of astringency of agricultural use (CO2 concentration management).


  • For measurement of high concentration gas up to 100 vol%.
  • Suitable for inspecting the amount of gas remaining in tanks.
  • New digital display with a simulated analog scale.
  • Extended battery life of up to 30 hours.



Model XP-3140
Gas Detected Methane, Propane, Argon, Carbon dioxide, etc.
(specify gas detected)
Detection Principle Thermal conductivity
Sampling Method Extractive
Detection Range 0 to 100 vol%
Indication Accuracy
(Under identical conditions)
H range: ±5%
L range: ±10%
Alarm Set Value 50vol%
Display LCD digital (with backlight)
Digital display: 0-100 vol%
Digital bar display: Auto range changeover
0-10 vol% or 0-30 vol% (L range)
0-100 vol% (H range)
Alarm Indication Gas alarm: Intermittent buzzer, Red lamp flashing
Error alarm: Buzzer, Red lamp flashing, LCD display
Explosion-Proof Structure Exibd IIC T3 (TIIS)
Ex II2G Exdib IIB T4 Gb (ATEX)
Exdib IIB T4 Gb (IECEx)
Class I, Zone 1, AEx d ib IIB T4 Hazardous Locations. (UL)
Operation Temperature 0 to +40 °C
Power Source 4 x AA alkaline dry battery
Battery Life*1 Up to 30 hours
Dimensions W82 x H162 x D36 mm
Weight Approx. 450g (16oz.) (excluding batteries)
Standard Accessories Soft case, 4 x AA alkaline dry battery, Gas sampling hose (1meter),
Probe with filter/moisture trap
Optional Accessories 2-30 meter gas sampling hose, Gas dilution probe,
Data download software (CD-ROM software and USB cable)

*1 Battery life time is subject to environmental and storage conditions.


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Type Approved by TIIS Explosion-proof certification

Type Approved by Class NK No. 06T605 (Designation required)

Selectable Gases

argon【Ar】, isobutane【i-C4H10】,LPG, hydrogen【H2】, carbon dioxide【CO2】, city gas, butadiene【CH2=CHCH=CH2 】,propane【C3H8】,helium【He】, methane【CH4】, R-22【CHClF2】, etc.

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