General information
	Article number	3.510.260.013
Air temperature [°C]
	Measuring principle	NTC
	Min. measuring range [°C]	-20
	Max. measuring range [°C]	50
	Display resolution [°C]	0.1
Relative humidity
	Measuring principle	Capacitive
	Min. measuring range [% RH]	10
	Max. measuring range [% RH]	95
	Accuracy ± [% RH]	2
	Display resolution [% RH]	0.5
Air pressure
	measuring principle
	Measuring range [hPa]
	Accuracy ± [hPa]
	Display resolution [hPa]
CO₂ concentration
	Measuring principle	NDIR
	Measuring range [ppm]	0 - 5,000
	Accuracy	± 50 ppm / + 3% of measured value (at 20°C and 1,013 mbar)
	Display resolution [ppm]	1
	Long-term stability [ppm/a]	20
Voltage input
	Min. measuring range [V]
	Max. measuring range [V]
	Accuracy ± [µV]
	Accuracy of the measured value - Voltage input ± [%]
	Resolution
Current measurement
	Min. measuring range in two-wire operation [mA]
	Max. measuring range in two-wire operation [mA]
	Min. measuring range in three-wire operation [mA]
	Max. measuring range in three-wire operation [mA]
	Accuracy ± [µA]
	Accuracy of the measured value ± [%]
	Resolution [µA]
	Approx. output load [Ω]
Thermal element K
	Min. measuring range [°C]
	Max. measuring range [°C]
	Accuracy Between -200 °C ... 0 °C [°C]
	Accuracy Between -200 °C ... 0 °C [°C] - Of measured value
	Accuracy Between 0 °C ... 1,200 °C [°C]
	Accuracy Accuracy between 0 °C ... 1,200 °C [°C] - Of measured value
	Resolution [°C]
Thermal element J
	Min. measuring range [°C]
	Max. measuring range [°C]
	Accuracy -200 °C ... 0 °C [°C]
	Accuracy -200 °C ... 0 °C [°C] - Of measured value
	Accuracy Accuracy between 0 °C ... 1,200 °C [°C]
	Accuracy Accuracy between 0 °C ... 1,200 °C [°C] - Of measured value
	Resolution [°C]
Thermal element S
	Min. measuring range [°C]
	Max. measuring range [°C]
	Accuracy Between -50 °C ... 0 °C [°C]
	Accuracy Between -50 °C ... 0 °C [°C] - Of measured value
	Accuracy 0 °C ... 1,700 °C [°C]
	Accuracy 0 °C ... 1,700 °C [°C] - Of measured value
	Resolution [°C]
PT100
	Min measuring range [°C]
	Max. measuring range [°C]
	Accuracy [°C]
	Accuracy of the measured value ± [%]
	Resolution [°C]
Interface
	LAN
	USB
	Plug socket
	BNC
	RS-485
	10-pin terminal
Power supply
	Internal (battery)	4 x 1.5 V, AA, operating time > 1 year (depending on sensor and configuration)
	External (USB)
	External (LAN, PoE model)
	Terminals for external power supply to supply the sensor
Display
	Size [mm]	90 x 64
	LCD
Memory organisation
	Sensing interval	10/30 s, 1/10/12/15/30 min, 1/3/6/12/24 h
	Saving interval	1/10/12/15/30 min
	Memory	16 MB, 3,200,000 measured values
	Data logging	Up to 20 measurement channels in parallel
	Available measurement channels	28
	Available channel groups	7
Housing design
	Plastic
Dimensions
	Length (packaging excluded) [mm]	166
	Width (packaging excluded) [mm]	32
	Height (packaging excluded) [mm]	78
Weight
	(packaging excluded) [kg]	0.25