Testo Multi Gas Leak Detector for Detecting Methane, Propane and Hydrogen Gases - 0632 0323


0632 0323

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Testo‘s gas detector is a multi-range gas detector for the gas types methane, propane and hydrogen. Gas concentrations are measured by the semi-conductor sensor
in the ppm range and are shown in the display with a resolution of 1 ppm.

Leaky gas pipes not only lead to higher gas consumption but can also trigger explosions and fires in the worst-case scenario. Because leaks are often difficult to detect with the naked eye (for example with really small hairline cracks), gas measuring technology is useful when it comes to checking gas pipes.

Testo's robust gas detector is a multi-range instrument for detecting methane, propane and hydrogen gases. It has a display that enables direct reading of the ppm-values.


  • Gas detector for methane, propane and hydrogen gases
  • Flexible probe extension for difficult-to-access points
  • Audible signals if approaching lower explosion limit
  • With alarm function: continuous tone and indication on the display on reaching the explosive limit

Gas detector for several gas types with alarm function
With Testo's gas detector, you have an instrument that you can use to detect methane, propane and hydrogen gases.

The gas concentrations are measured in the ppm range with a semiconductor sensor and are shown on the display with a resolution of 1 ppm. You can rely on the alarm function when you are working: on approaching the lower explosive limit the gas detector emits an acoustic signal. As soon as the explosive limit is reached, you hear a continuous tone and are also informed via the visual display.

The possibility of using a flexible probe extension means gas pipes in inaccessible areas can also be checked quickly and easily using the gas detector.

Overview Testo gas leak detectors
testo 317-2 testo 316-1 testo 316-2 testo gas detector testo 316-EX
  The convenient
gas leak detector
for beginners
The detector for
leaks in natural gas
The gas leak
detector with
integrated pump
for fast check
Gas detector Gas detector
Measuring range          
     Methane 100 to
20.000 ppm CH4
100 to
10,000 ppm CH4
10 ppm to 4,0
Vol. % CH4
10 to 999 ppm CH4
0,1 to 4,4 Vol. % CH4
1 ppm to
2.5 Vol. % CH4
     Propane 50 to 10.000 C3H8 - 10 ppm to 1,9
Vol. % C3H8
10 to 999 ppm C3H8
0,1 to 1,9 Vol. % C3H8
1 ppm to
1.0 Vol. % C3H8
     Hydrogen - - 10 ppm to 4,0
Vol. % H2
10 to 999 ppm H2
0,1 to 4,0 Vol. % H2
1 ppm to
2.0 Vol. % H2
Lower response
100 ppm CH4
50 C3H8
100 ppm 10 ppm 10 ppm -
1st alarm limit 10.000 ppm CH4
5000 C3H8
(20% LEL)
from 200 ppm CH4
(LED yellow)
200 ppm CH4
100 ppm C3H8
200 ppm H2
- -
2nd alarm limit - from 10.000 ppm CH4
(LED red)
10.000 ppm CH4
5.000 ppm C3H8
10.000 ppm H2
- -
Resolution  - - - 1 ppm / 0,1 Vol. % 1 ppm / 0,1 Vol. %
Display 8 segment trend
LED (3 colour) 18 segment bar
ppm display -
Battery life 4 h (LR03) > 5 h 6 h > 8 h to 10 h
Other features audible signal Semi-conductor
Earphone socket · extendable probe
· Inherently safe
sensor according to
Protection class
EU guideline
94/9/EG (ATEX)
EX-protection II 2G
EEx ib IIC T1 (Ex
Zone 1)


  • Testo gas detector, including flexible probe extension,
  • Rechargeable battery and mains unit for mains operation and charging the battery
  • Calibration protocol


  Methane (CH₄) Propane (C₃H₈) Leak detection H₂
Measuring range 10 to 999 ppm
0.1 to 4 Vol.%
10 to 999 ppm
0.1 to 1.9 Vol.%
10 to 999 ppm
0.1 to 4.0 Vol.%
Resolution 1 ppm / 0.1 Vol.% 1 ppm / 0.1 Vol.% 1 ppm / 0.1 Vol.%
Lower response threshold 10 ppm 10 ppm 10 ppm


General technical data
Reaction time t₉₀ 2 - 3 s
Operating temperature -15 to +40 °C
Storage temperature -25 to +70 °C
Heat up time 40 s
Battery type NiMH battery, 1600 mAh
Battery life > 8 h
Display type ppm display
Dimensions 190 x 40 x 28 mm
Weight 320 g


Buy with 100% confidence knowing your purchase is backed by the full Manufacturer's Warranty. Please register your product with provided warranty card.


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