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DUCTING AND HUMIDITY TRANSMITTER

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Listing Details

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Description

The apparatus measures relative humidity (FFK-I / FFKG-I) or relative humidity and temperature (FTFK-I / FTFKG-I) of the ambient air, transforming the humidity and temperature signal into a standard current output of 4 … 20mA.
The gases for which the sensors are suitable are air and any non-aggressive, non-condensing gases.
The transmitter can be used for (for example):
- medical applications
- cooling-, air conditioning-, clean room technology
- control technology
- living quarters, offices, hotels, museums
The properties of the humidity sensor are high accuracy, llong term stability, long life expectancy, immunity to condensation and a very small hysteresis.
State the desired measurement range for temperature when ordering. A stainless steel filter for sensor protection is optional.




Overview

electrical connections: screw terminal
voltage supply: 15 ... 36V DC
max. load / measuring channel: RL < 500 Ohm
0 ... 100% relative humidity output: 4 ... 20 mA (FFK-I und FTFK-I)
0°C ... 50°C temperature output: 4 ... 20 mA (FTFK-I)
current consumption: max. 20mA (FFK-I), max. 40mA (FTFK-I)

sensor, measurement ranges, accuracy of measurement :
measurement range, temperature: 0°C ... 50°C (other ranges possible)
sensor: capacitive humidity sensor,
temperature measurement integrated
measurement range, relative humidity: 0% ... 100%
long-term stability: +/- 1,0% / year

conditions for operation
ambient temperature: -20°C ... 50°C
r.h. operating range: 10% ... 99%
storage temperature: -20°C ... 50°C
switch-on and warm-up time: < 10 min

other
sensor protection: GS-RO-16 (sintered glass) / SD-GKN-16 (stainless steel, optional)
housing: housing in plastic, colour pure white, similar RAL 9010
type of protection: IP 65 (housing only)
scope of delivery: instruction manual, apparatus, flange for installation purposes, cardboard packaging
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