Description
Temperature & Humidity Transducer, P19

Description of Temperature & Humidity Transducer, P19
The P19 transducer is destined for the continuous measurement and conversion of relative humidity and ambient temperature into digital signal.
Features:
- built-in temperature and humidity sensor,
- calculation of selected physical quantities (dew-point temperature, absolute humidity),
- storage of measured and calculated maximum and minimum values,
- interface RS-485 galvanically isolated (Modbus protocol),
- fixed on a wall,
- external dimensions: 120 x 80 x 25mm.
- Built-in temperature and humidity sensor
- Calculation of selected physical quantities (dew-point temperature, absolute humidity)
- Storage of measured and calculated maximum and minimum values
- Interface RS-485 galvanically isolated (Modbus protocol)
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Example of application
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Features
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SPECIFICATIONS
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Inputs
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Measured value
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Measuring range
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Error
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Temperature
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-30 .. -20 .. 60 .. 80oC
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+/- 0.6oC in range 10…40oC
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+/- 1oC in the remaining range
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Relative humidity
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0 .. 100%
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+/- 3% for RH = 10 .. 90%
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+/- 5% for RH in the remaining range
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Digital interface
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Interface type
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Transmission mode
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Baud rate
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Remarks
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RS-485 Modbus RTU
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8N1, 8N2, 8E1, 8O1
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4,8; 9,6; 19,2; 38,4; 57,6 kbit/s
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galvanic isolation 1kV
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External features
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Overall dimensions
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120 x 80 x 25 mm
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Weight
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125 g
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Protection grade
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ensured by the casing: IP20
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Fixing
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on a wall
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Rated operating conditions
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Supply voltage
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9 .. 24 V d.c./a.c
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power consumption < 0.3 VA
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Temperature
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ambient: -20…23…60°C
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Humidity
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< 95%
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inadmissible condensation
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Operating position
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Operating position and overall dimensions of P19 transducer
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Preheating time
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15 minutes
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Safety and compatibility requirements
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Electromagnetic compatibility
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noise immunity
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acc. to EN 61000-6-2
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noise emissions
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acc. to EN 61000-6-4
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Isolation between circuits
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basic
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acc. to EN 61010-1
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Pollution level
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2
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Installation category
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III
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Maximal phase-to-earth operating voltage
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50 V
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Altitude a.s.l.
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< 2000 m
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