The GS-133 detects all mixtures of air and combustible gas (Natural
Gas, Methane, Propane, Butane, etc). The detector detects two levels
of gas concentration - different output reactions.
The main GS-133 features are: high reliability and sensitivity,
compact size and long stability & lifetime.
Installation
A professional installer should install the
detector
(recommended in compliance with EN 50244).
Fix the detector on the wall. For gases lighter than air (natural gas,
city gas etc.) install it close to the ceiling (max 15 cm under it) or
directly on the ceiling and on the place expected to have gas leakage.
For gases heavier than air (propane, butane, etc.) install it close to the
floor or on the lowest place of the room. The detector should not be
located close to any obstacles preventing natural air circulation.
OK
I.
II.
Output relay function
There is a dry relay contact available on the GS-133 output terminals:
C- common contact
NO- normally open contact
NC- normally closed contact
This relay output can be used for an automatic gas valve closer,
alarm system triggering or for other warning systems.
If the REL jumper is open, the relay will be triggered after the 1
st
level of gas concentration is detected. If the REL jumper is closed, the
relay will be triggered after the 2
nd
level of gas concentration is
detected.
Function
After switching the power on the green LED will flash for 60 sec. (the
detector warms up). When the green indicator lights permanently the
detector is ready.
If the gas concentration reaches the 1
st
level, short beeps will sound
and red LED I will go off.
If the gas concentration reaches the 2
nd
level, long beeps will sound
and red LED II will go off.
The output relay reacts depending on the REL jumper setting.
LED indicators
Green
OFF
Flashes
ON
The detector is off
Warming up
Ready for gas alarm
Red I.
ON
1
st
level of the gas concentration
Red II.
ON
2
nd
level of the gas concentration
Red II.
Green
Alternating
flashes
Error in the sensor
Warning - in the case of a gas alarm stay calm and act as
follows: - do not operate any switches
- do not use any kind of phone in the location of the gas leakage
- open any windows
- stop the gas leakage if possible or leave the place and call the
gas supply company
Memory
The memory function is disabled by factory default (when the
concentration of the gas drops down to normal, the GS-133 will stop
the alarm signal).
Close the MEM jumper to select the memory function. Then the
alarm indication, if triggered, will not stop unless the GS-133 power
supply is terminated for a while.
Maintenance and testing
Keep the detector clean, it is important that its grids should not be
blocked with dust.
Use a gas cigarette lighter without the flame lit, to test the gas
detector’s reaction. The detector will react within 15 seconds.
Professional recalibration of the detector should be done at
least once a year. Contact your distributor for more details.
Specification:
Sensitivity:
Methane Propane
Level 1
10
3% LEL (0.50% vol. conc.) 18
3% LEL (0.30% vol. conc.)
Level 2
18
3% LEL (0.80% vol. conc.) 30
3% LEL (0.50% vol. conc.)
Iso-butane
Level 1
23
3% LEL (0.30% vol. conc.)
Level 2
40
3% LEL (0.50% vol. conc.)
LEL = Lower Explosive Limit (100 %) according to EN 60079-20-1:for
methane 4,4 % vol. conc., for prophane 1,7 % vol. conc., for iso-
buthane 1,3 % vol. conc., calibrated by iso-butane
Power supply 12V DC ± 20%
Power consumption 100 mA
(150mA when relay is activated)
Detection method hot platinum filament
Buzzer sound level 94dB/0.3m
Relay output optional for 1st or 2nd level, max. 230V AC/5A
Alarm memory selectable
Response time 20 s
Warm up time approximately 90 s
Working environment indoor use, -10 to +40°C, IP30
Complies with
EN 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
Complies with the essential requirements of: EMC Directive
2004/108/EC concerning electromagnetic compatibility when used for
its intended purpose. The original of the conformity assessment can be
found at www.jablotron.com
, Technical Support section.
Note: Although this product does not
contain any harmful materials we
suggest you return the product to the
dealer or directly to the producer after
use.
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