Jablotron

GS-133-24 Gas Detector

The GS-133-24 detects all mixtures of air and combustible gas (Natural Gas, Methane, Propane, Butane, Acetylene, GPL etc). The detector detects two levels of gas concentration. (24V DC)

Gas Detector

GS-133-24 Gas Detector

The main GS-133 features are: high reliability and sensitivity, compact size and long stability & lifetime.

Detector specifications

Sensitivity (concentration):
MethanePropaneIso-butane
first level10 ± 3% LEL (0.50% vol)18 ± 3% LEL (0.30% vol)23 ± 3 % LEL (0.30% vol)
second level18 ± 3% LEL (0.80% vol)30 ± 3% LEL (0.50% vol)40 ± 3 % LEL (0.50% vol)
LEL = Lower explosive limit (100%) according to IEC 60079-20-1: for methane 4.4% volume concentration for propane 1.7% vol, for iso-butane 1.3% volume concentration, calibrated in the production of iso-butane
Power supply24 V DC ± 20 %
Power consumption50 mA
(100 mA when relay is activated)
Detection methodhot platinum filament
Buzzer sound level94 dB / 0.3 m
Relay outputoptional for 1st or 2nd level, max. 230 V AC / 5 A
Alarm memoryselectable
Response time20 s
Warm up timeapproximately 90 s
Working environmentindoor use, -10 to +40 °C, IP30
Complies withEN 50194-1, EN 60079-29-1, EN 50130-4, EN 55022
For non-explosive areas. Zone 2 according to EN 60079-10.
Certified by VVUÚ corp., certificated body No. 3076, FTZÚ a.s., certifikační orgán č. 3051

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