H2 Hydrogen Gas Leak Detector ST314A

Model: ST314A
Out of stock
EGP 37,800.000 exc. vat
Out of stock


SENTRY ST314A is the Hydrogen (H2) Leak detector which can used on any sealed device for leak detection. ST314A can detect 5% Hydrogen (H2) + 95% Nitrogen (N2), H2, CO, Methane(CH4), Ethanol(Natural gas) and with an extremely sensitive semiconductor sensor, it can detect small leakage down to 1PPM precisely. Also, the adjustable sensitivity level function makes the smallest leak point easy to find. And, with LCD display and front illumination by a LED tip light, these intelligent designs give the professional engineer intuitive visual and auditory signal feedback for all common H2 leak detections.


FEATURES of the H2 Hydrogen Gas Leak Detector:

  • High Quality LCD display .
  • Exclusive LED Tip light design
  • Mute Function.
  • Power-saving Mode.
  • Low battery indicator.
  • Rugged flexible probe.
  • 3 adjustable sensitivity levels.
  • Detects 5% Hydrogen (H2) + 95% Nitrogen (N2), H2, CO, Methane(CH4), Ethanol(Natural gas).
  • Sensor failure indicator.
  • Buzzer beep sound respond.
  • USB power adapter.
  • DC 3.7v rechargeable lithium battery.
  • Automatic & Manual Reset to background Function.






Detection Gases

5% Hydrogen (H2) + 95% Nitrogen (N2), H2, CO, Methane(CH4), Ethanol(Natural gas)

Sensitivity levels

High :1PPM

Medium :3PPM

Low :10PPM


Compatibility with SAE J2791& EN14624-2020


Manually reset to background level

Automatic reset to background level


Color LCD (Negative)

Response Time

Less than 0.5 second

Warm Up Time

Approx. 50 seconds

Battery Type

DC 3.7 V, 1960 mAh rechargeable lithium battery

Battery Life

Max. up 10 hours continuous use when fully charged

Audio Alarm

Yes (Buzzer)

Fan System


Auto Power Off

10 minutes of idle

Low Battery Indicator

Battery Icon

LED Tip Light


Flexible Probe Length

450 mm (18″)

Operating Temperature and %RH

0~50°C (32~122°F), < 80% RH

Storage Temperature and %RH

-10~60°C (14~140°F), < 70% RH


184x70x40 mm(7.24″x2.8″x1.6″)


340 g(12 oz.)


Additional information

Weight 350 kg
Dimensions 184 × 70 × 40 cm




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H2 Hydrogen Gas Leak Detector ST314A
H2 Hydrogen Gas Leak Detector ST314A EGP 37,800.000 exc. vat
Out of stock