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GS-CO2-RHTGS-CO2-RHT-D typesGS-CO2-RHT-W-LCD typesCarbon Dioxide, RH & T SensorsUsing a non-dispersive infrared sensor formeasuring CO ²concentrations and utilisingmicroprocessor based electronics, the uniqueself-calibration algorithm offers long-termstability and accuracy. They are also fitted witha RH and temperature output, and have an LCDwith 3-colour ‘traffic light’ status indication.The sensor can be used to ensure adequateventilation while maximising energy savings byventilating at the optimum level, making theseideal for all types of ventilation in commercialbuildings, industrial plants, laboratories andpublic spaces, such as schools.FEATURES■■Real-time detecting CO ²levels■■Self-calibration algorithm■■User selectable outputs with ModBus option■■3-colour ‘traffic light’ LCD status forCO ²levelsSPECIFICATIONOutput:4-20mA, 0-10Vdc (jumper selectable) or ModBusModBus RS485: 19200bps, 15kV antistatic protectionPower supply: 4-20mA 24Vdc ±10%0-10Vdc 24Vac/dc ±10%Max. current: 146mASensor life: 15 years (-D types), 10 years (-W types), typicalDuct air velocity: 0 to 450m/min (0 to 1476 ft/min) (-D types only)Accuracy: CO ²±40ppm +3% of reading @ 22°C (72°F)RH< ±3% @ 25°C (77°F)Temperature ±0.4°C (-D types), ±0.5°C (-W types)Stability: CO ²±40ppm +3% of reading @ 22°C (72°F)RH< ±3% @ 25°C (77°F)Temperature ±0.4°C (-D types), ±0.5°C (-W types)LCD indication: 3-colour, indicating CO ², RH & Temp. levelsGreen optimal (1400ppm)Ambient range: Temperature 0 to 50°C (32 to 122°F)RH0 to 95% non-condensingHousing material: Flame retardant ABSDimensions: Duct types Housing 100 x 80 x 50mm(3.94 x 3.15 x 1.97”)Probe 125.5 x 40mm(4.94 x 1.57”)Wall types Housing 130 x 85 x 36.5mm5.12 x 3.35 x 1.44”)Protection: Duct types IP54Wall types IP30Weight: Duct types 360g (0.79 lb)Wall types 260g (0.57 lb)Part codeDescriptionWall Mounting SensorsGS-CO2-RHT-W-LCD CO ²/ RH / T Sensor with LCD DisplayGS-CO2-RHT-W-M-LCD CO ²/ RH / T Sensor with ModBus Output and LCDDisplayData sheet: GS-CO2-RHT-W.pdfPart codeDescriptionDuct Mounting SensorsGS-CO2-RHT-D-LCD CO ²/ RH / T Sensor with LCD displayGS-CO2-RHT-D-M-LCD CO ²/ RH / T Sensor with ModBus Output and LCDDisplayData sheet: GS-CO2-RHT-D.pdfGS-SGas SensorsThe GS-S range of 4-20mA loop powered gassensors are fitted into a robust housing, todetect the following gases:■■Nitrogen dioxide (NO ²)■■Oxygen (O ²)■■Sulphur dioxide (SO ²)FEATURES■■4-20mA output■■Wide supply voltage range (7.5 to 35Vdc)■■Excellent long term stability■■Accuracy unaffected by positionSPECIFICATIONTemp. range:RH range:Output:Supply:Output impedance:Housing material:Protection:Dimensions:Weight:–30 to +50°C (–22 to +122˚F)15 to 90% non-condensing4-20mA7.5 to 35Vdc825ΩABS (flame retardant)IP65 (housing only, suitable for internal mounting only)95 x 90mm dia. (3.74 x 3.54” dia.)160g (0.35 lb)Part code Range ResolutionNO ²– Nitrogen Dioxide SensorsGS-S-ND10 0 to 10ppm 0.1ppmO ²– Oxygen SensorGS-S-OX25 15 to 25% 0.1%Data sheet: GS-S-x.pdfPart code Range ResolutionSO ²– Sulphur Dioxide SensorGS-S-SD20 0 to 20ppm 0.5ppmData sheet: GS-S-x.pdfNote: These units are not intended for use in life safety applications.Air & Water Flow Air Quality & Gas Detection Controllers Input / Output Modules Water & Energy Metering Peripherals16www.sontay.com · Email sales@sontay.com