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ALMEMO® FHAD 46-C0 Digital Humidity Sensor

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FHAD460

ALMEMO® FHAD 46-C0 Digital Humidity Sensor

Price range: £187.00 through £205.00

Digital sensor for temperature, humidity, and atmospheric pressure with uncovered sensor element, plug connector, including ALMEMO® connecting cable with coupling and ALMEMO® D6 plug.

Contact via Whatsapp 01530 832500

SKU: N/A Categories: ,

Technical Specification

Probe Specific Technical Data
Operative Range-20 to +80°C
5 to 98% RH
Mechanical Design
Multi-sensor module:
Plug connection:
Approx. 6 x 14 x 3mm (overall)
Width approx. 7mm
FHAD 46-Cx. Common Technical Data
Humidity
Measuring range -
Sensor -
Accuracy -


Hysteresis -
Nominal temperature -
Sensor operating pressure -
Response time T63
0 to 98 % RH
CMOSens® technology
±3 % RH in range 10 to 90 % RH
±5 % RH in range 5 to 98 % RH
at nominal temperature
typical ±1 % RH
+23 °C ±5K
Atmospheric pressure
typical 8 seconds at +25°C, 1 m/s
(without filter)
Temperature
Sensor -
Accuracy -


Reproducibility -
Response time T63-
CMOSens® technology
typical ±0.2 K at +5 to 60°C
maximum ±0.4 K at +5 to +60 °C
maximum ±0.7 K at -20 to +80 °C
typical ±0.1 K
typical 20 seconds (without filter)
Digital atmospheric pressure sensor (integrated in multi-sensor module)
Measuring range -
Accuracy -
700 to 1100 mbar
±2.5 mbar (at 23°C ±5K)
ALMEMO® D6 plug
Refresh time -
Supply voltage -
Current consumption -
1 second for all four channels
6 to 13 VDC
5 mA

Technical Features

  • All sensors in 1 multi-sensor module: capacitive digital sensor for humidity and temperature, digital atmospheric pressure sensor. Additional EEPROM data storage medium in the sensor module.
  • The sensor module is thoroughly adjusted. All sensor characteristic and adjustment data are stored on the data storage medium of the sensor module itself. In the process of readjusting the individual sensors the adjustment values are directly saved on the data storage medium of the sensor module.
  • Every sensor module has a unique serial number saved on the humidity sensor. The serial number is either displayed in the sensor menu of the measuring instrument or in the ALMEMO® Control software. Hence, calibrated sensor modules can clearly be assigned to the calibration certificate.
  • Replacement sensor modules are inexpensive: The sensor module is pluggable and can simply be exchanged on-site. Full accuracy without any adjustment, especially with calibrated sensors. The ALMEMO® connecting cable and the ALMEMO® measuring instrument have no influence on the calibration.
  • The atmospheric pressure is measured directly at the measuring point in the sensor tip. Hence, the atmospheric pressure dependent humidity variables are automatically pressure compensated.
  • All relevant ambient parameters are measured with just one sensor.
  • Humidity calculation on the basis of formulae as per Dr. Sonntag and the enhancement factor as per W. Bögel (correction factor fw(t,p) for real mixed gas systems) This substantially widens the measuring range and improves the accuracy of humidity variable calculations.
  • Humidity variable: Absolute humidity in g/m³
  • The humidity variables are calculated from the three primary measuring channels (real measurable variables) temperature, relative humidity, atmospheric pressure
  • Freely selectable measurable variables Four measuring channels are programmed (at our factory). temperature (°C, T, t), relative humidity (%H, RH, Uw), dewpoint (°C, DT, td), atmospheric pressure (mbar, AP, p)
    Other humidity variables can also be selected. mixture (g/kg, MH, r), absolute humidity (g/m³, AH, dv), vapor pressure (mbar, VP, e), enthalpy (kJ/kg, En, h) The configuration is performed on the ALMEMO® V7 measuring instrument or directly on the PC using the USB adapter cable ZA1919AKUV (see chapter “ALMEMO® Network technology”).

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