E2227 Interior Humidity & Temperature Transmitter

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E2227 Humidity and temperature transmitter is intended for measurement of relative and absolute humidity, temperature and dew point value of air with high accuracy and stability. The transmitter is designed for indoors use, target applications being home and office HVAC and building automation systems. Compact wall-mount slotted plastic enclosure provides natural ventilation of the sensors. RS485 interface supporting industry standard Modbus RTU protocol allows direct Fieldbus networking of up to 240 devices. Analog outputs, user switchable to 0-10 V or 4-20 mA may be used to connect the transmitter to a range of secondary instruments, like display panels or controllers.
Key Features
Digital sensors with excellent repeatability and stability
Fully calibrated and temperature compensated
RS485 Modbus RTU interface
Two configurable 0-10 V / 4-20 mA outputs

Price : On Request

Specification
Sensor :	digital combined RH and T sensor
Measurement Range :	0...95 %RH, -20...+70 °C
Calculated parameters :	ew point, absolute humidity
Resolution :	0,01 %RH / 0,01 °C
Accuracy :	±2,5 %RH, ±0,5 °C ±1,8 % RH / ±0,3 °C on request
Sampling Interval :	1 second
Response time :	~15 seconds
Self-diagnostics :	full functionality check at start- up
Warm-up time :	≤ 1 s
Power Supply :	11...30 VDC, nominal 12 / 24 VDC
Power Consumption :	< 1,5 W
Digital Interface :	RS485, Modbus RTU protocol
Analog Outputs :	2 × 4-20 mA / 0-10 V, user settable
Fieldbus Interface :	RS485, Modbus RTU protocol
Enclosure :	white plastic with ventilation slots, wall mount, protection class IP20
Cable Connections :	pluggable scr ew terminal blocks
Dimensions :	H71 × W71 × D27 mm
Operating Environment :	residential, business and industrial indoor spaces
Operating Conditions :	-20...+70 °C, <95 %RH, without condensation