Room pendulum humidity and temperature sensor HYGRASGARD® RPFF / RPFTF

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€240.82
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The calibratable HYGRASGARD® RPFF / RPFTF pendulum room humidity and temperature transmitter with plastic sinter filter measures relative humidity and air temperature of air. It converts the measurands into standard signals of 0-10 V or 4...20 mA, supports four switchable temperature measuring ranges and is available with or without optional display.

The measuring transducer is applied in non-aggressive dust-free atmospheres in refrigeration, air conditioning, ventilation and cleanroom engineering, in hotels, utility rooms, meeting rooms and convention centres. It provides precise detection of temperature and humidity. A digital long-term stable sensor is used as a measuring element for humidity and temperature.

Output
Display
HYGRASGARD®
Measured variables
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Power consumption

< 1.1 VA/ 24 V DC ; < 2.2 VA/ 24 V AC

Temperature-measuring range

multi-range switching (see table) -35…+35°C; -35…+75°C; 0…+50°C; 0…+80°C

Operating range, humidity

0...95 % r. H. (without dew formation)

Voltage supply

15...36 V DC

depending on working resistance, residual ripple stabilised ± 0.3 V

Deviation of humidity

typical ± 2 % r. H. (20…80 % r. H. ); at + 25 °C, otherwise ± 3 %

Working resistance

Ra (ohm) = (Ub -14 V)/ 0.02 A for I variant

Measuring range, humidity

0...100 % r. H.

(output corresponding to 4...20 mA)

Output, humidity

4...20 mA

Measuring range, temperature

multi-range switching

with 4 switchable measuring ranges

–35...+35 °C; –35...+75 °C; 0...+50 °C; 0...+80 °C

(output corresponding to 0 -10 V or 4...20 mA)

Operating range, temperature

–35...+80 °C

Sensor protection

plastic sinter filter, Ø 16 mm, L = 35 mm, exchangeable

(optional metal sinter filter, Ø 16 mm, L = 32 mm)

Ambient temperature

storage –5...+60 °C

operation –5...+60 °C

Protective tube

stainless steelV2A (1.4301), Ø = 16 mm, L = 142 mm

Temperature deviation

typically ± 0.2 K at +25 °C

Electrical connection

2-, 3- or 4-wire connection

0.14 -1.5 mm ² via terminal screws on circuit board

Output, temperature

4...20 mA

Cable connection

cable gland, plastic (M 16 x 1.5; with strain relief, exchangeable, max. inner diameter 10.4 mm) or

M12 connector according to DIN EN 61076-2-101 (optional on request)

Cable gland

M 16 x 1.5, including strain relief, exchangeable,

max. inner diameter 10.4 mm

sensor cable

PVC, LiYY, 6 x 0.14 mm²,

KL = approx. 2 m (other lengths optional)

1201-1172-1200-100

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