Transmitter offers high accuracy of ±2 % RH

1st September 2017
Posted By : Mick Elliott
Transmitter offers high accuracy of ±2 % RH

The EE220 transmitter from E+E Elektronik measures relative humidity and temperature in the range from -40 °C to 80 °C (-40 °F to 176 °F) with a high accuracy of ±2 % RH and ±0.1 °C (±0.18 °F). The basis unit can be fitted with various pluggable and interchangeable sensing probes.

Separate probes for humidity and temperature enable highly accurate loop calibration.

The easy-to-clean metal enclosure and stainless steel probes are ideal for clean room applications and use in the pharmaceutical and food industry.

The EE220 basis unit can be equipped with a combined humidity and temperature probe or two separate probes, one for humidity and one for temperature.

The EE07 probes can either be plugged directly onto the basis unit or mounted up to 10 m away using extension cables. Thanks to the plug-in system, the sensing probes can be exchanged in just a few seconds.

As the calibration data is stored in the intelligent probes, the transmitter does not need to be re-calibrated after a probe replacement.

The use of separate stainless steel sensing probes for humidity and temperature enables most accurate loop calibration, as recommended by the FDA (Food and Drug Administration) for the pharmaceutical and biotechnology industry.

Using extension cables and without dismounting the EE220 basis unit, the humidity probe can be placed in a portable humidity calibrator and the temperature probe in a dry block calibrator.

Thus, the entire measurement chain from the probe to the controller can be calibrated on-site (loop calibration).

The probes can be individually adjusted with buttons on the E220 electronics board. Adjustment and calibration is particularly comfortable using the optional display, which can be simply plugged onto the EE220 board for this purpose.

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