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CO2, Temperature And Humidity Room Sensor

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Product Name:CO2, Temperature And Humidity Room Sensor

CO2, Temperature And Humidity Room Sensor

Application

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Product Description:

The EE800 is optimized for demand controlled ventilation and building automation in residential and commercial applications.

Versatile
The EE800 combines CO₂, temperature (T) and relative humidity (RH) measurement in one device with modern design. Additionally, it calculates the dew point temperature (Td).

Outstanding Measurement Performance
The EE800 incorporates the E+E dual wavelength NDIR CO₂ sensor, which compensates for ageing effects, is highly insensitive to pollution and offers outstanding long term stability. A multiple point CO₂ and T factory adjustment procedure leads to excellent CO₂ measurement accuracy over the entire T working range.

Analogue and Passive Outputs, Digital interface, Display
EE800 with analogue outputs features an optional passive T sensor, while at EE800 with RS485 additional physical quantities are available on the Modbus RTU and BACnet MS/TP interface:absolute humidity, mixing ratio, enthalpy, frost point temperature and water vapor partial pressure.

Easy Installation and Maintenance
The EE800 enclosure is available in several colours and in two sizes according to regional standards. The snap-on design facilitates the replacement of the active front part within seconds
while the wiring remains intact. Furthermore, it makes possible to wire the device without exposing the electronics to construction site pollution.

Configurable and Adjustable
An optional USB configuration adapter and the free EE-PCS Product Configuration Software facilitate easy setup and adjustment of EE800.

CO₂, temperature and humidity room sensor Technical Data:
Measurands

CO2
Measurement principle	Dual Wavelength Non-Dispersive Infrared Technology (NDIR)
Working range	0...2000 / 5000 ppm
Accuracy at 25 (77 °F) and 1013 mbar	0..2000 ppm: < ± (50 ppm +2 % of measuring value) 0...5000 ppm: < ± (50 ppm +3 % of measuring value)
Response time 63	typ. 110 s
Temperature dependence	typ. ± (1 + CO₂ concentration [ppm] / 1000) ppm/ (-20...45) (-4...113 °F)
Calibration interval¹⁾	>5 years
Temperature
Accuracy²⁾ at 20 (68 °F)	±0.3 (±0.54 °F) RS485 interface or voltage output ±0.7 (±1.26 °F) current output
Relative humidity
Working range	10...90 % RH
Accuracy at 20 (68 °F)	±3 % RH (30...70 % RH) ±5 % (10...90 % RH)
Dew point temperature³⁾
Working range	-30...55 (-22...131 °F)
Accuracy	< ±2 (3.6 °F) for \|T\| - \|Td\| < 25 (45 °F) < ±3 (5.4 °F) for \|T\| - \|Td\| < 30 (54 °F)

1) Under normal operating conditions.
2) For supply voltage 24 V DC. Load resistor 250 for version with current output
3) Additional calculated physical quantities available only on the Modbus and BACnet interface: absolute humidity, mixing ratio, enthalpy,frost point temperature and water vapor partial pressure.

Outputs

Analogue
0...2000 / 5000 ppm	0-5 V / 0-10 V -1 mA < IL < 1 mA 4-20 mA R_L< 500 Ohm
Digital interface	RS485 with max. 32 unit load devices on one bus
Protocol	Modbus RTU or BACnet MS/TP
Temperature passive	according to ordering guide

General

Supply voltage	24 V AC ±20 % 15-35 V DC
Current consumption Analogue Digital	typ. 14 mA + output current; peak 0.3 A for 0.3 s bias: typ. 11 mA at 1535 V DC typ. 30 mA at 24 V AC ±20 % peak: 150 mA at 1535 V DC, 24 V AC ±20 %
Enclosure (polycarbonate)	US Version: UL94V-0 approved / EU Version: UL94HB approved
Protection class	IP30
Display⁴⁾	LC display: alternating CO₂ / T / RH or Td
Electrical connection	screw terminals max. 1.5 mm² (AWG16)
Electromagnetic compatibility	EN61326-1 EN61326-2-3 FCC Part 15 ICES-003 ClassB
Test report	according to DIN EN10204 - 2.2
Working / storage T-range	0...90 % RH (non condensing) / -20...60 (-4...140 °F)

4) Analogue outputs: The display shows the physical quantities selected for the outputs.
Digital interface: The display shows CO2 and T for Model M11 and CO2, T, and RH for Model M12