HYGRASGARD® DFF/DFTF

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€438.25
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The calibratable HYGRASGARD® DFF humidity and temperature transmitter measures the relative humidity and temperature of air. It converts the measurands into a standard signal of 0-10 V or 4...20 mA, and is available with/without optional display.

The measuring transducer supports four switchable temperature ranges. Relative humidity (in % r.H.) is the quotient of water vapour partial pressure divided by the saturation vapour pressure at the respective gas temperature. The sensor device 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 ± 2.0 % r. H. (20…80 % r. H. ); at + 25 °C, otherwise ± 3.0 % r. H.

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)

Ambient temperature

storage –5...+60 °C

operation –5...+60 °C

Electrical connection

2-, 3- or 4-wire connection

0.14 -1.5 mm ² via terminal screws on circuit board

Temperature deviation

typically ± 0.2 K at +25 °C

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

Connecting head

made of plastic, material polycarbonate (PC), colour white,

pluggable, Ø = approx. 35 mm, H = approx. 29 mm,

with metal sinter filter made of stainless steel V4A (1.4404)

sensor cable

PVC, LiYY, 4 x 0.14 mm²,

KL = approx. 2 m

1201-6132-1200-100

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