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G
®
HYGRASGARD
Quality product for HVAC sector, accuracy ± 2 % bzw. ± 3 % r. H.
The calibratable pendulum room humidity and temperature sensor HYGRASGARD
RPFF - 25 ⁄ RPFTF - 25 (± 2 %) with pluggable metal sinter filter, terminal box enclosure made of impact-resistant plastic, with ⁄ without optional
display. It measures the relative humidity and ⁄ or the temperature of the air and converts the measurands into a standard signal of 0 - 10 V or
4...20 mA. It is equipped with 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 is applied in non-aggressive dust-free atmospheres in
refrigeration, air conditioning, ventilation and clean room technology, hotels, technical rooms, meeting rooms and convention centres. These measuring
transducers are designed for exact detection of temperature and humidity. A digital long-term stable sensor is used as a measuring element for
humidity and temperature measurement. Fine adjustment by the user is possible. The sensor is appropriate for ceiling and duct installation, or for
integrating it into equipment.
TECHNISCHE DATEN
Power supply:
Working resistance:
Load resistance:
Power consumption:
Sensors:
Sensor protection:
HUMIDIT Y
Measuring range, humidity:
Operating range, humidity:
Deviation, humidity:
Output, humidity:
TEMPERATURE
Measuring range, temperature:
Operating range, temperature:
Deviation, temperature:
Output, temperature:
Ambient temperature:
Long-term stability:
Electrical connection:
Connection cable:
Enclosure:
Enclosure dimensions:
Cable gland:
Protective tube:
Protection class:
Protection type:
Standards:
Optional:
RPFF ⁄ RPFTF (± 3 %), RPFF - 25 ⁄ RPFTF -25 (± 2 %)
Power supply:
24 V AC (± 20 %); 15...36 V DC for U variant
15...36 V DC for I variant,
depending on working resistance, residual ripple stabilised ± 0.3 V
R
(ohm) = (U
-14 V) ⁄ 0.02 A for I variant
a
b
R
> 5 kOhm for U variant
L
< 1.1 VA ⁄ 24 V DC ; < 2.2 VA ⁄ 24 V AC
digital humidity sensor with integrated temperature sensor,
low hysteresis, high long-term stability
RPFF ⁄ RPFTF:
RPFF - 25 ⁄ RPFTF - 25: pluggable measuring head (probe) with metal sinter filter,
0...100 % r. H. (output corresponding to 0 -10 V or 4...20 mA)
0...95 % r. H. (without formation of dew)
RPFF ⁄ RPFTF:
RPFF - 25 ⁄ RPFTF - 25: ± 2 % r. H. (20...80 %) at +20 °C, otherwise ± 5 % r. H.
0 - 10 V for U variant
4...20 mA for I variant, see load resistance diagram
multi-range switching with 4 switchable measuring ranges (see table)
–35...+35 °C; –35...+75 °C; 0...+50 °C; 0...+80 °C
(output corresponding to 0 -10 V or 4...20 mA)
–35...+80 °C
± 0.2 K at +25 °C
0 -10 V or 4...20 mA or Ohm value
RPFF ⁄ RPFTF:
RPFF - 25 ⁄ RPFTF - 25: storage –35...+85 °C;
± 1 % per year
2-, 3-, or 4-wire connection (see connecting diagram),
0.14 - 1.5 mm² via terminal screws on circuit board
RPFF ⁄ RPFTF: PVC; KL = 2 m (other lengths optional up to max. 5 m)
RPFF - 25 ⁄ RPFTF - 25: KL = 2 m
plastic, material polyamide, 30 % glass-globe-reinforced,
with quick-locking screws (slotted ⁄ Phillips head combination),
colour traffic white (similar RAL 9016), enclosure cover for display is transparent !
RPFF ⁄ RPFTF:
RPFF - 25 ⁄ RPFTF - 25: 126 x 90 x 50 mm (Tyr 2)
M 16 x 1.5, including strain relief, exchangeable, max. inner diameter 10.4 mm
stainless steel,
RPFF ⁄ RPFTF:
RPFF - 25 ⁄ RPFTF - 25: Ø = 18 mm (16 mm), L = 120 mm
III (according to EN 60 730)
IP 65 (according to EN 60 529)
CE conformity, according to EMC directive 2014 ⁄ 30 ⁄ EU,
according to EN 61326-1, according to EN 61326-2-3
display with iillumination, for displaying ACTUAL temperature and ⁄ or ACTUAL humidity
RPFF ⁄ RPFTF:
RPFF - 25 ⁄ RPFTF - 25: three-line, cutout approx. 70 x 40 mm (W x H), (Tyr 2)
®
plastic sinter filter, Ø 16 mm, L = 35 mm, exchangeable
(optional metal sinter filter, Ø 16 mm, L = 32 mm)
Ø 16 mm, L = 88.5 mm, exchangeable
± 3 % r. H. (20...80 %) at +20 °C, otherwise ± 5 % r. H
storage –5...+60 °C;
operation –5...+60 °C
operation –30...+70 °C
72 x 64 x 37,8 mm (Tyr 1 without display)
72 x 64 x 43,3 mm (Tyr 1 with display)
Ø =16 mm, L = 142 mm
two-line, cutout approx. 36 x15 mm (W x H), (Tyr 1)
11
RPFF ⁄ RPFTF (± 3 % ) with plastic sinter filter or
3% = Rev. 2017 - V13 GB
2% =Rev. 2017 - V23 GB
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