- % SALE %
- Temperature
- Humidity
- Pressure
- Light Intensity & Motion
- Air Quality & Flow
- Modbus | Wireless Modbus
- EtherCAT P
- Accessory
Description
Pendulum room humidity and temperature sensors
HYGRASGARD® RPFTF - Modbus - T3
Calibratable room pendulum humidity and temperature sensor HYGRASGARD® RPFTF - Modbus - T3 (± 2,0 %) or RPFTF - 20 - Modbus - T3 (± 1,8 %), with Modbus connection, in an impact-resistant plastic housing with quick-locking screws, optionally with/ without display, cable sensor with a stainless steel pendulum and a plastic sinter filter (exchangeable), to exactly detect the relative humidity (0…100% RH) and the temperature (–35...+80 °C) and to detect various parameters in humidity measurement. International system of units SI (default) can be switched to Imperial (via Modbus).
The pendulum sensor is applied in a non-aggressive, dust-free environment and is suitable for installation in ceilings, ducts and devices. It is used in the refrigeration, air conditioning and clean room technology, engineering rooms, hotels and conference facilities.
A long-term stable, digital humidity and temperature sensor guarantee exact measurement results. These measurands are used to internally calculate the following parameters that can be retrieved via Modbus: relative humidity, absolute humidity, mixture ratio, dew point, enthalpy (ignoring atmospheric air pressure) and ambient temperature.
The pendulum sensor is applied in a non-aggressive, dust-free environment and is suitable for installation in ceilings, ducts and devices. It is used in the refrigeration, air conditioning and clean room technology, engineering rooms, hotels and conference facilities.
A long-term stable, digital humidity and temperature sensor guarantee exact measurement results. These measurands are used to internally calculate the following parameters that can be retrieved via Modbus: relative humidity, absolute humidity, mixture ratio, dew point, enthalpy (ignoring atmospheric air pressure) and ambient temperature.
Innovative Modbus sensor with galvanically separated RS485-Modbus-interface, selectable bus termination resistance, DIP switch for setting the bus parameters and bus address in curentfree state, internal LEDs for telegram status display, two separate push-in terminals and large three-line display (illuminated; with customised programming in the 7-segment and dot-matrix range). The sensor is factory-calibrated; an environmental precision adjustment by an expert is possible.
Technical details
Voltage supply
24 V AC (± 20 %) and
15…36 V DC
15…36 V DC
Power consumption
< 1.2 W/ 24 V DC; < 1.8 VA/ 24 V AC
Data points
Temperature [°F], relative humidity [% RH],
dew point [°F], absolute humidity [gr/ft³],
mixture ratio [gr/lb], enthalpy [Btu/lb]
dew point [°F], absolute humidity [gr/ft³],
mixture ratio [gr/lb], enthalpy [Btu/lb]
Measuring range, humidity
0...100 % RH
Measuring range, temperature
-31...+356 °F
Temperature deviation
typically ± 0.4 °F at +77 °F
Deviation of humidity
typical ± 1.8 % (10…90 % RH ); at + 25 °C, otherwise ± 2,0 %
Measuring ranges
0...100 % RH (humidity)
-31...+176 °F (temperature)
-31...+176 °F (temperature)
Zero point offset
± 10 % RH (humidity)
± 9 °F (temperature)
± 9 °F (temperature)
Ambient temperature
-22...+158 °F
Medium
clean air and
non-aggressive, non-combustible gases
non-aggressive, non-combustible gases
Bus protocol
Modbus (RTU mode),
address range 0...247 selectable
address range 0...247 selectable
Signal filtering
4 s / 32 s
Protective tube
stainless steelV2A (1.4301), Ø = 16 mm, L = 142 mm
Electrical connection
AWG 24 - 16, via push-in terminal
Communication
Modbus RTU (RS485 interface for RTU cable)
Sensor
digital humidity sensor
with integrated temperature sensor,
low hysteresis, high long-term stability
with integrated temperature sensor,
low hysteresis, high long-term stability
Cable gland
2x M 20 x 1.5; with strain relief, replaceable,
inner diameter 0.3 - 0.5 in
inner diameter 0.3 - 0.5 in
Sensor protection
plastic sinter filter, Ø 0.63 in, L = 1.38 in, exchangeable
(optional metal sinter filter, Ø 0.63 in, L = 1.26 in)
(optional metal sinter filter, Ø 0.63 in, L = 1.26 in)
sensor cable
PVC, LiYY, 6 x 26 AWG,
KL = approx. 6.5 ft(other lengths optional)
KL = approx. 6.5 ft(other lengths optional)
Accuracy
± 1,8 %
Permissible air humidity
< 95 % RH, non-precipitating air
Protection class
III (according to EN 60 730)
Protection type
IP 65 (according to EN 60 529)*
Units
switchable metric / imperial
Cable connection
cable gland, plastic
(M 20 x 1.5; with strain relief, exchangeable,
inner diameter 0,3 - 0,5 in) or
M12 connector according to DIN EN 61076-2-101
(optional on request)
(M 20 x 1.5; with strain relief, exchangeable,
inner diameter 0,3 - 0,5 in) or
M12 connector according to DIN EN 61076-2-101
(optional on request)
Housing
plastic, UV-stabilised,
material polyamide, 30 % glass-globe reinforced,
with quick-locking screws
(slotted/ Phillips head - combination),
colour traffic white (similar to RAL 9016),
housing cover for display is transparent !
material polyamide, 30 % glass-globe reinforced,
with quick-locking screws
(slotted/ Phillips head - combination),
colour traffic white (similar to RAL 9016),
housing cover for display is transparent !
Housing dimensions
108 x 78.5 x 45.8 mm (Tyr 3 with display)
Standards
CE conformity,
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
Optional
Display with illumination, three-line, programmable,
cutout approx. 51 x 29 mm (W x H), for displaying the actual
humidity and actual temperature (cyclic)
or a selectable parameter (static)
or an individually programmable display value (The Modbus
interface allows the display to be individually configured in the
7-segment area and in the dot-matrix area.)
cutout approx. 51 x 29 mm (W x H), for displaying the actual
humidity and actual temperature (cyclic)
or a selectable parameter (static)
or an individually programmable display value (The Modbus
interface allows the display to be individually configured in the
7-segment area and in the dot-matrix area.)