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Designed for alarm generation when concentration of flammable gases (methane or propane-butane mixture) in air reaches the preset threshold values.
Application
Accommodation, public spaces, administrative and production facilities and other spaces equipped with gas burner units using natural or liquefied gases.
Principle of operation – thermochemical.
Sampling – diffusion.
Type of gas alarm - fixed.
Mode of operation - continuous.
Possible content of system
Gas alarm СГГ10-Б (6 different versions).
Set of connecting wires ИБЯЛ.413944.062 (wire 0, 75х2 - 5 m, wire 0,5х2 - 2,5 m).
Valves КЭГ 9720 ИБЯЛ.685181.001 (DN 15), - 01 (DN 20), -02 (DN 25) , -21 (DN 32)-40V.
Versions of gas alarms СГГ10-Б
Name and designation |
Availability of dry contacts |
Availability of interfaces |
Executive device |
|
RS485 |
radio channel |
|||
СГГ10-Б ИБЯЛ.413216.047 |
- |
- |
- |
K |
СГГ10-Б-МР ИБЯЛ.413216.047-02 |
МР |
- |
- |
|
СГГ10-Б-ОР ИБЯЛ.413216.047-04 |
ОР |
- |
- |
|
СГГ10-Б-И ИБЯЛ.413216.047-06 |
- |
+ |
- |
|
СГГ10-Б-РК ИБЯЛ.413216.047-08 |
- |
- |
+ |
|
СГГ10-Б-М ИБЯЛ.413216.047-10 |
- |
- |
- |
М |
МР – mechanical relay, ОР - optoelectronic relay , К - electromagnetic valve with pulse control, М – gas shutoff mechanism with dc drive.
Basic technical characteristics
Characteristics |
Values |
Remarks |
Alarm actuation thresholds (on methane), % LEL: |
|
emergency alarm «GAS» blocking (switched off by pressing the button «RESET») |
Parameters of optoelectronic relay |
40 V; 0,2 А |
normally open |
Parameters of mechanical relay |
220V; 2,5А |
normally closed |
Intrinsic absolute error, % LEL, not more |
± 5 |
|
Protection degree (according to ГОСТ 14254) |
IP 42 |
|
Supply voltage, V |
100 - 250 |
(50 ± 1) Hz |
Ambient temperature range, °С |
from -10 to + 50 |
|
Output to valve, V (pulse voltage) |
40 |
КЭГ-9720 (Ду=15; 20; 25; 32) |
Alarm actuation time, s, not more |
15 |
|
Overall dimensions, mm |
144х96х42 |
|
Weight, kg |
0,2 |
|
Specialized versions СГГ10-Б-И and СГГ10-Б-РК (in combination with data acquisition and transfer unit БСР-РК) that are capable of transferring data by interface RS485 and radio channel, respectively, are used for creation of monitoring networks for control of pre-explosive concentrations of flammable gases in apartment buildings and in entrance halls of residential buildings and other large area accommodation spaces and administration facilities.
Distinctive features:
- compliance with ГОСТ Р ЕН 50194-2008 and EN 501194:2000;
- possibility to organize network through interface RS485 or radio channel;
- cables connection without soldering (terminal block);
- possibility to feed power supply with buried wiring;
- availability of button “reset-test” for gas alarm testing;
- sensor service life 5 years;
- warranty period 36 months;
- zero autocalibration when activated or once in 30 days;
- verification and calibration interval 1 year.