Portable Gas Detectors

HCFC Detector XP-704III


For maintenance work of air conditioning.


  • Most of refrigerant gases can be detected
  • Automatic stop pump function
  • Automatic gas exhaust mode
  • Equivalent to IP22 (in soft case)


Model XP-704III
Gas Detected R-22, R-32, R-404A, R-407C, R600a, R410A, R-134a, R-290,


Detection Principle Hot-wire semiconductor sensor
Sampling Method Extractive
Detectable Leak Rate (annual) R-22: 2.84(g), R-32: 1.71(g), R-404A: 3.30(g), R-407C: 3.12(g),

R600a: 1.91(g), R410A: 2.82(g), R-134a: 20.09(g), R-290: 1.45(g),

HFO-1234yf: 3.74(g)

Detectable Gas Concentration 5 ppm (R-134a: 30ppm)
Response Time Within 10 seconds
Power Supply Size AA alkaline batteries x 2
Battery Life*1 Approx. 12 hours (with size AA alkaline batteries)
Degree of Protection Equivalent to IP22
Operating Pressure Atmospheric pressure (800 to 1100 hPa)
Operating Temperature and
0 to +40 °C
Less than 85%RH (with no condensation)
Dimensions W38 x H130 x D32 mm (excluding protrusions)
Weight Approx. 190g (including batteries and soft case)
Accessories Soft case, Drain Filter, Replacement Filter, Gas Probe, Dust Filter,
Hand Strap, Size AA Alkaline Battery x 2, etc.

*1 It may vary based on the environmental conditions, operating conditions, strage time, battery manufacturer, etc.



Selectable Gases

R-22【CHClF2】, R-23【CHF3】, R-32【CH2F2】, R407C, R410A, R404A, R600a, R134a, R1234yf, combustible gas

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