Humidity transducer with passive temperature output

RAFTP/A


  • 0...100% r.H.

  • °C

  • 0-10 V, 4-20 mA, changer, Ohm

  • Pt100, Pt1000, Ni, NTC, LM235Z

  • heating function for condensation protection

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Commodity Group 5

SKU Humidity Temperature Output r.H. Output temperature Version Price € net / gross * Availability Qty Action
RAFTP/A-IR10D 0-100% r.H. -20...+80°C 4-20 mA, changer Pt100 (DIN EN 60751 Cl. B) with display
Excl. Tax: €245.14 Incl. Tax: €284.36
Availability Add to Cart
RAFTP/A-I20 0-100% r.H. -20...+80°C 4-20 mA Pt1000 (DIN EN 60751 Cl. B) without display
Excl. Tax: €181.47 Incl. Tax: €210.51
Availability Add to Cart
RAFTP/A-U20 0-100% r.H. -20...+80°C 0-10 V Pt1000 (DIN EN 60751 Cl. B) without display
Excl. Tax: €181.47 Incl. Tax: €210.51
Availability Add to Cart
RAFTP/A-UR10D 0-100% r.H. -20...+80°C 0-10 V, changer Pt100 (DIN EN 60751 Cl. B) with display
Excl. Tax: €245.14 Incl. Tax: €284.36
Availability Add to Cart
RAFTP/A-IR20 0-100% r.H. -20...+80°C 4-20 mA, changer Pt1000 (DIN EN 60751 Cl. B) without display
Excl. Tax: €192.08 Incl. Tax: €222.81
Availability Add to Cart
RAFTP/A-I20D 0-100% r.H. -20...+80°C 4-20 mA Pt1000 (DIN EN 60751 Cl. B) with display
Excl. Tax: €234.53 Incl. Tax: €272.05
Availability Add to Cart
RAFTP/A-I10 0-100% r.H. -20...+80°C 4-20 mA Pt100 (DIN EN 60751 Cl. B) without display
Excl. Tax: €181.47 Incl. Tax: €210.51
Availability Add to Cart
RAFTP/A-UR20 0-100% r.H. -20...+80°C 0-10 V, changer Pt1000 (DIN EN 60751 Cl. B) without display
Excl. Tax: €192.08 Incl. Tax: €222.81
Availability Add to Cart
RAFTP/A-IR20D 0-100% r.H. -20...+80°C 4-20 mA, changer Pt1000 (DIN EN 60751 Cl. B) with display
Excl. Tax: €245.14 Incl. Tax: €284.36
Availability Add to Cart
RAFTP/A-IR10 0-100% r.H. -20...+80°C 4-20 mA, changer Pt100 (DIN EN 60751 Cl. B) without display
Excl. Tax: €192.08 Incl. Tax: €222.81
Availability Add to Cart
RAFTP/A-I10D 0-100% r.H. -20...+80°C 4-20 mA Pt100 (DIN EN 60751 Cl. B) with display
Excl. Tax: €234.53 Incl. Tax: €272.05
Availability Add to Cart
RAFTP/A-UR20D 0-100% r.H. -20...+80°C 0-10 V, changer Pt1000 (DIN EN 60751 Cl. B) with display
Excl. Tax: €245.14 Incl. Tax: €284.36
Availability Add to Cart
RAFTP/A-UR10 0-100% r.H. -20...+80°C 0-10 V, changer Pt100 (DIN EN 60751 Cl. B) without display
Excl. Tax: €192.08 Incl. Tax: €222.81
Availability Add to Cart

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Measurement range r.H. 0-100% r.H.
Measurement range temp. -20...+80°C
Accuracy humidity ±3% r.H. (30-70% r.H., else ±5% r.H., at 20°C)
Temperature dependency ±0,02% r.H. / K (voltage output), ±0,04% r.H. / K (current output)
Long term stability ±1%/year
Sensor capacitive humidity sensor; Pt100, Pt500, Pt1000, Ni1000, KTY, NTC, LM235Z (other on request)
Sensor protection screwable stainless steel sinter filter, condensation protection by heating function in the range of 95...99% r.H.
Flow rate < 2 m/s
Supply voltage analog 0-10 V 24 V AC/DC (±5%)
Supply voltage analog 4-20 mA 15...36 V DC (Ubmin = 15 V + RLoad*0,02A)
Current consumption at 0-10 V typ. 10 mA, 30 mA peak current consumption for 50 ms at switching moment at option relay
Current consumption at 4-20 mA max. 20 mA / output, 40 mA peak current consumption for 50 ms at switching moment at option relay
Analogue output 0-10 V 3-wire connection, load current < 0,1 mA
Analogue output 4-20 mA 2-wire connection (transmitter), max. RLoad(Ohm) = (+Ub - 15 V) / 0,02 A
Alarm output 1 x potential-free change-over contact, 48 V, 1 A
Switching Hysteresis Relay 2% of the selected scaling (without display), 0,5...5% of the selected scaling adjustable (with display)
Electrical connection screw terminals max. 1,5 mm²
Housing Polycarbonate PC UL 94 V0 with hinge locks, color signal white similar to RAL 9003
Cable gland PG11 high-strength cable gland with strain relief
Display optional LCD display with backlight on/off/auto
Material Protection tube: stainless steel V2A
Dimensions Housing: L 89 x W 80 x H 47 mm, Protection tube: Ø 16 x 40 mm
Protection type Housing/electronic: IP65, Sensor: IP30
Protection class III
Working range r.H. 0...98% r.H. in contaminant-free, non-condensing air
Working temperature Probe: -20...+80°C, Electronic: -20...+70°C
Storage temperature -20...+50°C
Installation screw fastening
Approvals CE, EAC, RoHS

The RAFTP/A humidity transducer registers the relative humidity 0...100% r.h. using a capacitive sensor and converts this measured value into a linear output signal 0-10 V respectively 4-20 mA. An additional passive resistive sensor is available for measuring temperature.
As an option the device has a potential-free changeover contact and a backlit display.
The display content can be rotated in 90° steps using a menu and the measured value, the switching threshold set, the state of the respective relay, the MIN/MAX measured values for the selected intervals (1 h / 6 h / 12 h / 24 h) etc. can be read out. In addition the humidity measuring device has a heating function to protect the sensor at high humidity 95...99% r.h.. If the relative humidity exceeds the threshold value set ex-works for more than 10 minutes the heating function is activated. The sensor is heated for a limited time and thus dried and protected against condensation. During the heating and the subsequent temperature balancing phase the output signal is kept stable at the last measured value before the heating function was triggered.
The humidity sensor is very well protected against contamination by a screwable sintered filter and can, if required, be finely calibrated in situ using an offset controller.