QPM 管道空氣質(zhì)量傳感器

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QPM管道空氣質(zhì)量傳感器maintenance-freeCO2sensingelement(dependingonthetype)basedonopticalinfraredabsorptionmeasurement(NDIR1)?orwithVOC2)sensingelement

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QPM 管道空氣質(zhì)量傳感器

maintenance-free CO₂ sensing element (depending on the type) based on optical infrared absorption measurement (NDIR¹)
? or with VOC²) sensing element, based on a heated tin dioxide semiconductor
? CO₂ temperature (active or passive) and CO₂ humidity-temperature multisensor
? No recalibrations required
? Operating voltage AC 24 V or DC 15…35 V
? Signal outputs DC 0...10 V or DC 0...5 V adjustable
? Selectable passive temperature sensing element

1) NDIR = Non dispersive infrared
2) VOC = volatile organic compounds (also called mixed gas)

Type reference	CO₂ measuring range	VOC ime constant	Temperature measuring range	Humidity measuring range	Measured value display
QPM1100	---	Slow (R1)	---	---	---
		Normal (R2)
		Fast (R3)
QPM2100	0…2000 ppm	---	---	---	no
QPM2102	0…2000 ppm	Slow (R1)	---	---	no
		Normal (R2)
		Fast (R3)
QPM2102D	0…2000 ppm	Low (R1)	---	---	yes
		Normal (R2)
		High (R3)
QPM2160	0…2000 ppm	---	0...50 °C / ?35...+35 °C	---	no
QPM2160D	0…2000 ppm	---	0...50 °C / ?35...+35 °C	---	yes
QPM2162	0…2000 ppm	---	0...50 °C / ?35...+35 °C	0...100 %	no
QPM2162D	0…2000 ppm	---	0...50 °C / ?35...+35 °C	0...100 %	Yes
QPM2180	0…2000 ppm	---	Depending on connected sensing element	---	no