HUMIDITY & TEMPERATURE TRANSDUCER - PFT22

Operating mode:
Messuring mode
Medium:
Temperature and Humidity
Sensor:
Single-chip sensor for humidity and temperature with digital signal transmission and calibration memory on the chip
Measuring unit:
Temperature in ° C; relative humidity in %
Output signal 1:
Temperature
Output signal 2:
Relative humidity

Resolution:
14 bit
Response time:
Approx. 20 seconds
Reproducibility:
± 0,1 °C
Tolerance:
±0,5 °C at 25 °C; ±2 °C at -40 °C, ±3 °C at +120 °C; narrower tolerance possible
Measuring ranges:
-40…0…+120 °C; -30…0…+70 °C; 0…100 °C; 0…50 °C
Measuring range selection:
4 selectable measuring ranges via DIP switch
Characteristics:
Linear

Resolution:
12 bit
Response time:
Aprox. 4 seconds (63 %-time, slightly moving air)
Reproducibility:
Typical < 1 % r.h. / year
Tolerance:
± 0,1 % r.h.
Measuring range:
0…100 % relative humidity
Characteristics:
Linear (digital linearization)

Dimensions:
See drawings
Connections head:
Plastic ABS
Electrical connection:
7 Connection terminals
Version differences:

Power supply:
15 … 30 Vdc or 24 Vac in three-wire circuit;
13 … 30 Vdc in two-wire circuit
Output current:
2 x 0 … 10 V in three-wire circuit;
2 x 4 … 20 mA in two-wire circuit

EMC:
EN 61000-6-2, EN 61000-6-3, CE-mark
RoHS:
according RoHS-directive 2011/65/EU