Instruction Manual

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www.vtsgroup.com Page 3 of 16 ver. 2.0 (11.2021)
2. Technical data
2.1. General parameters of the transducer
Power supply
 DC voltage
DC 20-30 V (nom. DC 24 V)
 AC voltage
AC 20-28 V (nom. AC 24 V)
Current consumption
 typical
TBD
 max
TBD
LED indicators
See section 3.5
Signal connection
Screw terminals in 5mm pitch
(wire diameter ≤ 2.5mm)
Housing dimensions
 without sampling mast
80x82x55mm
 with sampling mast
80x82x280mm
Weight
230 g
Work environment
Dust-free, air, neutral gases
Working temperature
0ºC ÷ 50ºC
2.2. Parameters of humidity measurement
Sensor model
SHT31-DIS-B
Measurement range
0÷ 100% RH
Resolution
14.5 bit (0.01% RH)
Measurement accuracy (@ T=25ºC)
- in the range 0 ÷ 90% RH
± 2% RH
- in the remaining measurement range
± 3% RH
Hysteresis
± 0.8% RH
Sampling frequency
1 Hz