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HUMIDITY
09.20
10/2009 We reserve the right to make technical changes.
09
www.ahlborn.com
High-precision humidity sensor Type FHAD36R
Wide range of temperatures
ALMEMO® D measuring module for humidity
and temperature
ƒÓ Capacitive humidity sensor with integrated signal processor,
for humidity measurement at the highest accuracy level
ƒÓ Unique correction and adjustment process
ƒÓ Digital output, i.e. all correction and sensor data saved in the
sensor itself
ƒÓ ALMEMO® connecting cable with digital ALMEMO® D
measuring module. Cable extensions up to 100 meters and
various connection methods see page 09.06
ƒÓ Four climate variables displayed Temperature, relative
humidity, dew point, and function channels for mixture ratio,
enthalpy
ƒÓ Factory or DKD calibration is performed on the sensor alone.
Fully accurate - irrespective of connecting cable and
AMEMO® measuring instrument.
ƒÓ Operation in sleep mode only possible with devices with
sleep delay function (ALMEMO 2590-2/3S/4S, 2690-8,
2890-9, 5690, 8590-9, 8690-9A, with Update)
Common technical data
Operative range (depending on sensor type)
Humidity measurement
Sensor capacitive
Measuring range 0 to 100 % RH
Adjusted at 23 °C and 10%, 35%, 80% RH
Accuracy at 23 °C ±0.8% RH
Reproducibility 0.3% RH
Long-term stability <1% RH per year
Temperature measurement
Sensor Pt100, 1/3 class B
Measuring range -100 to +200 °C
Accuracy at 23 °C ±0.1 K
Reproducibility 0,05 °C
Long-term stability <0,1 °C per year
Operative range of the electronics
in the sensor connector -40 to +100 °C
in the grip (of hand-held sensors) -40 to +85 °C
Sensor power supply via the ALMEMO device, approx. 12 mA
Sensor connection on the sensor / sensor cable
Plug connection (Materials:
Anticorodal aluminum, anodized) IP65
ALMEMO® cable Length 2 or 5 meters
Materials TPU, -40 to +90 °C
fitted with ALMEMO® D plug
Standard temperature / humidity sensor
Type FHAD36RS
Variants including factory test certificate
Standard temperature / humidity sensor with plug connection including connecting cable with ALMEMO D connector
Connecting cable, length = 2 meters Order no. FHAD36RS
same Connecting cable, length = 5 meters Order no. FHAD36RSL05
Technical data
Operative range -50 to +100 °C
Sensor materials Polycarbonate
Filter Polyethylene
Response time <15 s at typical 1 m/s
Accessories
Brackets for wall mounting (see page 09.05) Order no. ZB9600W
Filter
Variants
Filter cartridge = polycarbonate, filter = polyethylene,
For standard applications, good response time, good protection against fine dust particles Order no. ZB9636PE
Filter cartridge = polycarbonate, Filter = stainless-steel wire fabric, Quickest response time, Not suitable for environments
that are bioactive or contaminated with fine dust particles (risk of congestion) Order no. ZB9636WM
Filter cartridge = polycarbonate, filter = Teflon, Good protection against fine dust particles and salt (maritime environment),
Slower response time Order no. ZB9636TF
Other variants are available on request
Miniature cable humidity sensor
Diameter: 4 mm, -40 to +85 °C
Humidity sensor with round penetrating tip
Diameter 5 / 10 mm For taking measurements
in loose bulk materials -40 to +85 °C
Sensor with flat penetrating blade, 22 x 4 mm
For taking measurements in paper or textile
stacks -40 to +85 °C
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