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Sensores de gas (400-800)

Series 400 (semiconductor), 500 (heat tone), 600 (electrochemical), 700 (infrared) and 800 (zirconium dioxide) for connection to gas alarm systems (evaluation units) types GW-S, GW-S4 and GWSK.
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SENSORES DE GAS (400-800)

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APLICACION MODELO TECNOLOGIA MARCA
Alarmas (400-800)   Afriso
FUNCION CODIGO SECCION
Sensores de gas 09-5004 09

Gas sensors series 400, 500, 600, 700 and 800.

Series 400 (semiconductor), 500 (heat tone), 600 (electrochemical), 700 (infrared) and 800 (zirconium dioxide) for connection to gas alarm systems (evaluation units) types GW-S, GW-S4 and GWSK. The gas sensors are connected to the corresponding units. The sensors are suitable for dusty and dirty environments. Depending on the version (measuring principle), they are used to detect inflammable and explosive or toxic gases. All sensors of this series feature a 4–20 mA output signal. The gases and vapours which can be detected comprise: methane, propane, butane, hydrogen, acetylene, ammonia, acetone, alcohol and fuel vapours, CO, CO2, O2, etc. Please enquire for calibration for other gases.

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Technical specifications

Measured gases

  • Toxic gases (in ambient air)
  • Inflammable gases and vapours
  • Oxygen
  • Special gases (on request!)


Measuring ranges

Gas sensor 400ST 0 up to 50 % LEL
Gas sensor 500ST/510 Ex 0 up to 99 % LEL
Gas sensor 600ST-O2 0 up to 21 % by vol.
Gas sensor 700ST-CO2 0 up to 5 % by vol.
Gas sensor 700ST-CO2LG 0 up to 3000 ppm
Gas sensor 800ST-O2 0.1 to 21 % by vol.

Measuring principle
Gas sensor 400 ST semiconductor
Gas sensor 500 ST/510 Ex heat tone
Gas sensor 600 ST-O2 electrochemical
Gas sensor 700 ST-CO2 infrared
Gas sensor 800 ST-O2 zirconium dioxide basis
Supply voltage: DC 18–28 V
Ambient temperature
Sensor 400/600/700: -10 °C/+40 °C
Sensor 500: -20 °C/+40 °C
Sensor 800: -10 °C/+50 °C
Permissible relative humidity
Sensor 400: 40 % to 50 %
Sensors 500/600/700/800: 15 % to 95 %
Atmospheric pressure
Sensors 500/600/700/800: 900 to 1100hPa
Sensor 510 Ex: 700 to 1300hPa

Protection: IP 40/54 (510 Ex)
Housing/wall mounting: Aluminium
Dimensions: 400/500/600/700/800: 90 x 85 x 65mm (510 Ex) octagonal, H=108 mm, Ø=100 mm
Weight 400/500/600/700/800 approx. 0.4 kg 510 Ex approx. 1.2 kg
Output: 4–20 mA, RS 232 (option)
Connection cable: 3 x 1.5 mm2 Cu + protective conductor; screened cable; signal and return conductor max. 100 Ohm cable resistance.
ATEX approval: Sensor 510 Ex BVS 03 ATEX E 260 X Ex II 2G EEx d IIC T6
 

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Gas sensor 400 ST for detecting explosive gases and vapours, semiconductor
Gas sensor 400 ST on for special gases, semiconductor
Gas sensor 500 ST for detecting explosive gases and vapours, heat tone principle
Gas sensor 500 ST on for special gases, heat tone principle
Gas sensor 510 Ex with digital display, for explosive gases and vapours, heat tone principle, Ex
Gas sensor 510 Ex with digital display for special on gases, heat tone principle
Gas sensor 600 ST-O2 for detecting oxygen concentrations (0–21 % by volume O2), electrochemical
Gas sensor 600 ST-CO for detecting carbon monoxide concentrations (0–300 ppm CO), electrochemical
Gas sensor 700 ST-CO2 for detecting carbon dioxide concentrations, infrared (0–5 % by volume)
Gas sensor 700 ST-CO2 LG application area: e.g. monitoring the air quality in low energy houses
Gas sensor 800 ST-O2 for detecting oxygen concentrations(0,1–25 % by volume), zirconium dioxide








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