Portable Gas Detectors

Multi Gas Detector XP-3368II-W / XP-3368II / XP-3318II


For daily check and safety in plants, tank, manhole and tunnel construction.


  • Convert to 32 types gas’s concentration*
  • Robust design
  • Wide range models
  • Up to five combustible gases can be set as target gas (option)
  • Selectable power supply: alkaline AA batteries / rechargeable nickel metal hydride AA batteries
  • Timer and stopwatch function

*Only for XP-3318II and XP-3368II-W


Sampling Method Extractive
Alarm Method Gas Alarm Beeping with flashing red light and AL icon on the LCD
Device Error Beeping with flashing yellow light and error message on the LCD
Power Source ・Non-rechargeable alkaline AA battery x4: Toshiba LR6, Panasonic LR6X, Duracell MN1500, Energizer E91 or Varta 4106
・Rechargeable nickel metal hydride AA battery x4: New Cosmos HR-3UTG
Operating Temperature/Humidity -20 to 50℃ 95%RH. No condensation
Compliance*1 ATEX: Ex II 1G Ex ia da IIC T4 Ga*1
IECEx: Ex ia da IIC T4 Ga*1
CE (ATEX, RoHS and RE directives)
Ingress Protection IP67
Main Features Self-diagnosis (sensor error), Zero adjustment, Battery level indication, Flashlight, Peak-hold, LCD backlight, Audio alarm muting during gas alarm, Time indication, Alarm test, Alarm volume change, Audio muting
Dimensions W91 x H164 x D44mm
Mass Approx. 460g (including batteries)
Accessaries Gas sampling tube(1m), Shoulder strap,  Drain filter, Filter element, Alkaline AA batteries(or Rechargeable nickel metal hydride AA batteries) x 4, Screen protector film x 3


Multi Gas Detector

Model XP-3368II-W XP-3368II XP-3318II
Target Gas Combustible gas
/solvent vapor
Oxygen Combustible gas
/solvent vapor
Oxygen Combustible gas
/solvent vapor
Detection Principle Catalytic Galvanic cell Catalytic Galvanic cell Catalytic Galvanic cell
Mesuring Range
(Reference Indication)
0.0–100.0%LEL (100.1–110.0%LEL)
Enable to display in ppm.
0–5000ppm or
(5001–5500ppm or 10001–11000ppm)
Accuracy*2 ≤ 1000ppm : ±100ppm
1001ppm<n≤10000ppm : ±500ppm
Other than above: ±5%F.S.
±0.3vol% ≤10%F.S. : ±2.5%F.S.
>10%F.S. : ±5%F.S.
±0.3vol% ±5%F.S. ±0.3vol%
Resolution 0.1%LEL or 1ppm 0.1vol% 1ppm 0.1vol% 0.1%LEL 0.1vol%
Alarm Set Value 20%LEL 18vol% 250ppm or 500ppm 18vol% 20%LEL 18vol%
Response Time T90: 30 seconds T90 : 30 seconds T90 : 30 seconds
Continuous Operation Time*3 Approx. 15 hours


*1 When using alkaline AA batteries. Please contact us for full information.

*2 Under an identical measurement condition.

*3 At 25℃, with no alarm and backlight off. The time varies according to the circumstances, condition of use, storage period, battery manufacturer, etc.


ATEX_logo  CE_logo

Selectable Gases

Oxygen【O2】, Combustible gas

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For telephone inquiries, please call your nearest New Cosmos Electric office.

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