Sunrise HVAC

Senseair Sunrise HVAC is our next version of our new generation NDIR sensor with Optical Solid State design. Electronics with no moving parts makes this sensor robust and resistant to vibrations. Any application with a tough environment or in environments with explosion risk is benefited by the solid state design.

It is the first NDIR sensor with LED technology that truly saves power while maintaining a high precision.

Optical solid state
Ultra Low Power
High precision
Robust
Mass production
Self-calibrating

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The ultra low power consumption makes Sunrise optimal for battery and wireless applications.

The sensor has an accuracy (CO₂) ±30 ppm ±3% of reading. Thanks to the built-in self-correcting algorithm you can mount and forget your sensor for the next 15 years and it will still be accurate.

Measured gas	Carbon Dioxide
Operating principle	Non-dispersive infrared
Measurement range (CO₂)	400 – 5,000ppm. Extended range 10,000ppm
Accuracy (CO₂)	±30 ppm ±3% of reading ^{1, 2} (extended range ± 10% of reading)
Average current, typical	34 µA or lower, please see table below
Steady state current during sampling	90mA
Peak current	<125mA
Power supply	3.05 - 5.5 V ³
Dimensions	33.5 x 19.7 x 11.5 mm
Weight	5 g
Life expectancy	>15 years
Operation range	0 – 50°C, 0 - 85%RH
Storage temperature	-40 – 70°C
Communication interface	UART, I²C

Note 1: 15 – 35°C, 0 – 80%RH, after three eight-day periods, each period followed by ABC command set in the Calculation Control byte.

Note 2: Specification is referenced to uncertainty of calibration gas mixtures (±1%).

Note 3: Unprotected against surges and revrse power supply polarity

Average current (typical), at continuous and single measurement mode respectively:

Measurement period	2 samples		8 samples		32 samples
	Cont	Single	Cont	Single	Cont	Single
16 sec	22µA		34µA
1 min	18µA	7µA	21µA	17µA	35µA	27µA
5 min	16µA	1µA	17µA	3µA	20µA	5µA