Product Introduction
Sweden Ventilation Control Products Analog Output Combustible Gas DetectionGases:
• Methane, CH4
• Liquefied Petroleum Gas, LPG
• Hydrogen, H2
• Propane, C3H8
• Ethylene, C2H4
• Ethanol, C2H5OH
• Methanol, CH3OH
• Acetone, C3H6O
• Isopropanol, C3H8O
• Isobutane, C4H10
• Toluene, C7H8
• Gasoline vapor
Other combustible gas detectors can be customized upon request
Sweden Ventilation Control Products Analog Output Combustible Gas DetectionFeatures:
• Pellistor (catalytic bead) sensor
• Output 4-20 mA, power supply 24 Vdc
• Output 2-10 Vdc, power supply 24 Vac
• Range: see ordering page
• Protection class IP65, with quick-lock screws
• Digital measurement processing, including temperature compensation
• Internal function control, integrated hardware monitoring
• Data/measurement values stored in the sensor microcontroller, therefore
No calibration
Measurement values stored in the sensor microcontroller, therefore
No calibration <> Calibration simple
• High accuracy, selectivity, and reliability
• Low zero drift
• Hardware and software developed according to SIL2 development procedures
• Easy maintenance and calibration by replacing the sensor unit or on-site
Calibration can be done
Maintenance and calibration easy by replacing sensor unit or on-site
Calibration can be done
Optional
• LCD display
LCD display value & operation, 2x open collector for siren and alarm light
• Duct mounting kit available for sensing in ventilation ducts
Combustible gases
Sweden Ventilation Control Products Analog Output Combustible Gas DetectionParameters:
| Technical Specifications |
|
| Electrical |
|
| Power Supplies |
16-29 Vdc, reverse-polarity protect.; 18-27 Vac (only for output signal 2-10 Vdc) |
| Power Consumption |
75 mA, max. (1.8 VA for 24 V) |
| Analog Output Signal |
Proportional, overload and short-circuit proof, load < 500 Ohm for current signal, < 50 kOhm for voltage signal 4 - 20 mA or 2 - 10 V = measuring range 3.2 < 4 mA or 1.6 - 2 V = under range > 20- 21.2 mA or 10 - 10.6 V = over range 2 mA or 1 V = fault > 21.8 mA or 10.9 V = fault High |
| Sensor Performance |
|
| Gas Type |
See order information |
| Sensor Element |
Pellistor (catalytic bead) |
| Accuracy |
+/-1% |
| Resolution |
0.2% |
| Response Time t90 |
<15 sec. |
| Zero Difference |
0.5% |
| Long-term Zero Drift |
<0.5% LEL |
| Long-term Sensitivity Drift |
<1% |
| Temperature Range |
+20°C to +50°C |
| Humidity Range |
5 to 95% RH non-condensing |
| Sensor Life |
> 36 months under normal environmental conditions |
| Calibration Interval |
6 months |
| Pressure Range |
Atmospheric pressure ±20% |
| Storage Temperature |
+5°C to +30°C |
| Storage Time |
6 months |
| Poisoning |
Sensor sensitivity may be affected by substances containing silicon compounds and may even be poisoned and damaged |
| Housing |
Polycarbonate UL 94 V2 |
| Housing Color |
RAL 7032 (light grey) |
| Dimensions |
(W x H x D)94 x 130 x 57 mm |
| Protection Class |
IP 65 |
| Wiring |
Screw terminals. Min 0.25 mm2, max 1.3 mm2, 3-pin |
| Directives |
EMC directives 2014/30/EU CE Complies with the following standards: EN 50271 EN 61010-1:2010 ANSI/UL 61010-1 CAN/CSA-C22.2 No. 61010-1 |
| Warranty |
12 months (Warranty void if sensor is poisoned or overloaded) |
| Options |
|
| LCD Display |
Two lines, 16 characters each, black and white display |
| Open Collector (transistor) outputs (2) |
For horn (resettable) and alarm light |
| Switching Capacity |
24 Vdc / 50 mA (+ switching) |
| Duct Mounting Kit |
For sensing gases in ducts |
