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DS A : H-UTA.32 séries -1
Uj.fT-
HUMIDITYAND TEMPERATURE
4-20 mA Humidity transmitter
H-UTA.32
This miniature module is entended to be associated to a probe of humidity and température measurement F-TUCN.33N or P. It provides a stabilized power supply for the probe, performs the signal acquisition of measurement in frequency and delivers a DC linear current proportional to the relative humidity level according to the 4-20 mA two wires standard system and a variable resistor proportional to the temperature (thermistor NTC or platinum PT1000).
This system is characterized by an operating voltage and a measurement current carried by the same two wires without decoding. The measurement current which is mixed with the consumption current, is regourously independent from the voltage supply in a proportion of 600 % and the charge resistance could reach 1500 Q.
This internationally patented technology is a major step forward in the field of sensor-transmitters with long-term stability and reduction of mass production cost.
Linear from 0 % RH to 100 % RH
4-20 mA two wires output
Power supply voltage from 7.5V to 40V
Insensitive to both voltage supply and load resistor
Measured temperature from -40°C to +100°C
High accuracy - High reliability
Total interchangeability without recalibration
Best quality-price ratio on the world market
MAIN CHARACTERISTICS
associated to the
probe f-tucn.33n or p
> Qualified measurement range:
> Time constant humidity:
> Operating temperature:
> Accuracy according to reference conditions:
> Nominal internal power consumption:
> Output signals:
> Rated power supply voltage:
> Humidity basic transfer function:
> Temperature transfer function F-TUCN.33N:
> Temperature transfer function F-TUCN.33P :
> Standard calibration (RH55) :
> Standard calibration sensor N :
> Standard calibration sensor P :
> Thermal sensitivity RH:
> Parallelepipedic dimensions:
2 % RH to 98 % RH, -20°C to +85°C
0,25 sec. to 20 sec. depending on model R or L
- 40° C to + 100° C
± 3 % RH option 2 % RH
0,024 W to 0,72 W depending on current & voltage 4-20 mA DC current
7.5 VDc to 40 VDc without metroly effect
I (mA) = 4,0 + 0,16 % RH
R (Q) = 0,119.e3380 ' (T+273)
R (Q) = 1000 + 3913T - 0,6.10-3T2
12,8 mA at 55 % RH
10 KQ at 25°C
1000 Q at 0°C
± 0,05 % RH ' ° C
9 mm (l) x 16 mm (L) x 5 mm (p)
