Jablotron

GS-133 Gas Detector - 12 V DC

The GS-133 detector is used to indicate leaking of explosive gases (natural gas, methan, propane, butane). The detector detects two levels of gas concen-tration - different output reactions.

Gas Detector - 12 V DC

GS-133 Gas Detector - 12 V DC

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 (0.44% 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 supplyDC 12V ± 20%
Current consumptionstandby 100 mA
closed relay 150 mA
Beep94 db / 0.3 m
Relay Output250 V / 5 A (selectable response to the 1st or 2nd level)
Capacity of relay contactsmax. 230 V / 5 A
Operational temperature-10 °C to +40 °C
Relative humidity25 to 75%
Storage temperature-20 °C to +50 °C
Stabilization time90 s
Response timemax. 20 s
Detection methodcatalytic combustion
HousingIP 30 (EN 60 529)
Equipment lifespanmin. 5 years
Designed to operate at normal atmospheric pressures86 to 106 kPa
MeetsEN 50194-1, IEC 60079-29-1, IEC 50130-4, EN 55022
Intended for non-explosive areas - Zone 2EN 60079-10
VVUÚ Certified by certification body No 3076

Note: Not suitable for use with hydrogen

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