Multi-Gas Detector XA-4400II

Model
XA-4400II
Gas Detected
Combustible gases (Methane and Isobutane), Oxygen, Hydrogen Sulfide and Carbon Monoxide
Detection Principle
Catalytic combustion, Galvanic cell and Electrochemical cell
Sampling Method
Diffusion
Weight
Approx. 130g (excluding battery)

Up to 4 gases of Oxygen/ Combustible gas/ Hydrogen sulfide/ Carbon monoxide can be measured at once with simultaneous display.

For safety check by wearing at construction site and steel plant, safety of site workers.

  • 40 hours or more of continuous operation with a single AAA Battery (when used in long-life mode)
  • Compact and lightweight
    70 (W) x 72 (H) x 20 (D) mm, approx. 130g
  • Sounding alarm, three flashing lights and vibrations
    Alarm sound more than 95dB / 30cm
  • Ingress Protection is IP67
    Water and dust proof. Can be used outdoors on a rainy day
  • Intrinsically Safe (Ex ia II CT 3)
    Complies with hydrogen and acethylene explosion proof requirements
  • Sensor life of 2 years
Model XA-4000II
Gas Detected Combustible Gas
(Methane or isobutane)
Oxygen Hydrogen Sulfide Carbon Monoxide
Detection Principle Catalytic

Combustion

Galvanic

Cell

Electrochemical

Cell

Electrochemical

Cell

Sampling Method Diffusion
Detection Range 0 to 100 %LEL

(101 to 110 %LEL)*1

0 to 25.0 vol%

(25.1 to 50.0 vol%)*1

0 to 30.0 ppm

(30.1 to 50.0 ppm)*1

0 to 300 ppm

(301 to 2000 ppm)*1

Display Resolution 1%LEL 0.1vol% 0-35ppm: 0.1ppm
35-150ppm: 0.5ppm
0-350ppm: 1ppm
350-2000ppm: 5ppm
Alarm Set Value 1st alarm: 10%LEL
2nd alarm: 30%LEL
1st alarm:

19.5vol%LEL
2nd alarm:

18.0vol%LEL

1st alarm: 10.0ppm
2nd alarm: 15.0ppm
1st alarm: 50ppm
2nd alarm: 150ppm
Operating Temperature/Humidity -20 to +50 °C, 30 to 85 %RH (non condensing)
Continuous Use Time Approx. 40 hours when the long-life mode is ON / Approx. 20 hours when the long-life mode is OFF
Approx. 1200 hours without combustible gas sensor (at 25 degrees C, without alarm, backlight OFF)
Power Source 1 x AAA Panasonic alkaline battery
Display LCD
Gas Alarm Buzzer sound, Flashing RED lamp, Vibration, LCD (automatic recovery)
Intrinsically safe Ex ibd IIC T3 (TIIS)
II 1 G Ex ia IIC T3 Ga (ATEX)
Class I, Zone 0, AEx ia IIC T3 Hazardous Locations. (UL) *pending
Ingress Protection IP67
Function Self-diagnosis (sensor trouble), automatic air adjustment, remaining battery level,
Peak-hold, LCD backlight, buzzer stop for gas alarm, time & temperature indication,
Alarm test, buzzer volume, silent mode, long-life mode, data logging (datalogger kits necessary for logging)
Dimensions W70 x H72 x D26 mm (excluding protrusions)
Weight Approx. 130g (excluding battery)
Accessories Safety-Pin band, alkaline battery, 2 x filter element for replacement
Options Datalogger kit, soft case, belt clip

*1: Service Range

oxygen【O2】, carbon monoxide【CO】, hydrogen sulfide【H2S】, methane【CH4】 or isobutane【i-C4H10】

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