
503
HUMIDITY
HUMIDITY
9
WE MAKE IT EASY.
kele.com 888-397-5353 USA
March 2014
Terminals Description
K1-2: H-OUT Relative humidity or dew point (+) OUT-1
K1-1: V+ Power supply: 10…28 VDC (+)
Terminals Description
K2-2: T-OUT Temperature output (+) OUT-2
K2-1: V+ Power supply: 10…28 VDC (+)
Note: Connect the + of the power supply to only one of the V+ terminals.
The two terminals marked V+ are internally connected.
2
K2
1
V +
T- OUT
2
K1
1
V +
H-OUT
1% ROOM AND DUCT MULTI-PARAMETER HUMIDITY AND TEMPERATURE
TRANSMITTER
HF5 SERIES
Supply Voltage
HF52 10 to 28 VDC, 40 mA
HF53 15 to 40 VDC, 50 mA; 12 to 28 VAC,
1.2 VA
Accuracy ±0.8% RH @ 73°F (23°C) from
5% to 95% RH
Stability 0.5% drift per year
Repeatability 0.3% RH
Long Term Stability <1% RH/year
Response Time RH: Typically 10 seconds for 63 % of
a jump 35 to 80 %RH
(1 m/sec air flow at sensor)
Temperature: Typically 4 seconds for 63 % of a
change from 23 to 80 °C
(1 m/sec air flow at sensor)
Signal Output 4-20 mA
Maximum Output
Impedance 500Ω
Minimum Output
Impedance 1000Ω
Range
Humidity 0-100%
Temperature -148° to 392°F (-100° to 200°C)
Display Optional: LCD, 1 or 2 decimals
Operating Humidity 0 to 100% non-condensing
Operating Temperature -40° to 140°F (-40° to 60°C)
Enclosure Rating ABS/IP65 conforms to UL94-HB
Wiring Terminations Screw terminals/ M16 cable gland or
½" conduit adapter
Dimensions
Case 5.1"H x 5.1"W x 1.8"D
(13 x 13 x 4.5 cm)
Wall Plate 0.6" Ø x 3.5"L (1.5 x 9 cm)
Duct Probe 0.6" Ø x 8.3"L (1.5 x 21 cm)
Approvals CE/EMC: EMC Directive 2004/108/
EC
Weight 1 lb (0.45 kg)
Warranty 1 year
DESCRIPTION
The Rotronic HF5 Series High Performance Multi
Parameter Humidity and Temperature Transmitters
are ideal for all applications where exact measurement of
humidity, enthalpy, dry bulb, wet bulb, temperatures plus other
psychrometric parameters are critical. This high performance
transmitter using air chip technology accurately measures
relative humidity to within ±0.8% RH. The HydroClip2 probe
can be individually calibrated and adjusted to increase
measurement precision where you need it the most. The
HF5 Series is available in a duct mount or wall mount
configuration. This unit can be factory configured or software
is available for field configuration.
FEATURES
• Interchangeable probe
• Calculates all psychrometric values
• Automatic sensor and drift compensation
• Optional DIN rail mounting
• Field configurable with software
APPLICATION
The HF5 is ideal for high accuracy HVAC applications,
building management systems, museums, libraries,
environmental monitoring systems. The HF5 Series measures
dew point, wet bulb, enthalpy, specific humidity, absolute
humidity and mixing ratio.
WIRING
SPECIFICATIONS
HydroClip2
The new HygroClip2 is available in various formats: from a
simple plug-in probe for handheld instruments and data loggers
to the highly developed cable probes for high temperature and
other special applications. As standard, they all have high ac-
curacy, which can be increased further by specific adjustments
within our patented AirChip, making every HygroClip2 a high-
end product for all applications.
HFxxW HF5xxD
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