EE181 Sensor für Lufttemperatur und -feuchte
Robust und genau
Ideal für Langzeitmessugen
wetter  wasser  energie  gas flux and turbulence  bauwerke  boden

Überblick

Der EE181 ist ein robuster, sehr genauer Sensor für Temperatur und Luftfeuchte (RH), ideal für Langzeitanwendungen mit wenig Wartung. ein neuartiger spezieller Schutzlack auf dem Feuchteelement verlängert dessen Lebensdauer und schützt es vor Salz, Staub, Schmutz und anderen Verunreinigungen. Ein 1000 Ω PRT misst die Temperatur im Bereich -40°C bis +60°C. Für optimale Ergebnisse sollte der EE181 jedes Jahr rekalibriert werden.

Funktionen und Vorteile

  • Gut geeignet für lange, wartungsfreie Messungen
  • Genau, zuverlässig und robust
  • Besonders gute Langzeitstabilität
  • Großer Temperaturbereich
  • Kompakt und leicht auszutauschen
  • Geringer Stromverbrauch
  • Kompatibel mit allen Campbell Scientific Datenloggern
  • Kann einfach gereinigt werden

Bilder


Spezifikationen

Measurement Description Temperature, relative humidity
Signal Type/Output Analog voltage
Supply Voltage 7 to 30 Vdc (typically powered by the datalogger’s 12 V supply)
Average Current Consumption < 1.2 mA
Filter Description 30 μm pore size, stainless-steel mesh
Startup Time 2 s
Housing Body Material Plastic
Housing Classification IP65
Field Replaceable Chip or Recalibrate Recalibrate
Operating Temperature Range -40° to +60°C
Sensor Diameter 2.1 cm (0.83 in.)
Length 16.0 cm (6.3 in.)
Weight 290 g (10.2 oz) with 5 m cable

Air Temperature

Sensing Element 1000 Ω Platinum Resistance Thermometer (PRT)
Measurement Range -40° to +60°C
Storage Temperature Range -40° to +80°C
Output Signal Range 0 to 1 Vdc
Accuracy ±0.2°C (at +23°C)

Relative Humidity

Sensing Element Capacitance
Measurement Range 0 to 100% RH (non-condensing)
Output Signal Range 0 to 1 Vdc
Temperature Dependence Typically 0.03% RH/°C
Accuracy
  • -NOTE- Accuracy specifications include hysteresis, non-linearity, and repeatability.
  • ±(1.3 + 0.003 • RH reading) % RH (at -15° to +40°C, 0 to 90% RH)
  • ± 2.3% RH (at -15° to +40°C, 90 to 100% RH)
  • ± (1.4 + 0.01 • RH reading) % RH (at -25° to +60°C)
  • ± (1.5 + 0.015 • RH reading) % RH (at -40° to +60°C)

Kompatibel mit

Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.

Datenlogger

Product Compatible Note
CR1000 (retired)
CR1000X
CR300
CR3000
CR6
CR800
CR850

Miscellaneous

Product Compatible Note
CR310

Additional Compatibility Information

Sensor Mounts

When exposed to sunlight, the EE181 must be housed in a 10-plate solar radiation shield. Campbell Scientific recommends the MetSpec RAD10E, which uses a double-louvered design that offers improved sensor protection from driving rain, snow, and insect intrusion. This shield also has lower self-heating in bright sunlight combined with higher temperatures (> 24°C [~75°F]) and low wind speeds (< 2 m s-1 [~4.5 mph]), giving a better measurement.

The EE181 will work with R. M. Young 10-plate radiation shields (41003-5 or 41003-5A), but these shields require a special adapter (pn 28415) to accommodate the sensor girth.

The RAD10E and 41003-5 attach to a crossarm, mast, or user-supplied pipe with a 2.5 to 5.3 cm (1.0 to 2.1 in.) outer diameter. The 41003-5A radiation shield attaches to a CM500-series pole or a user-supplied pole with a 5.1 cm (2.4 in.) outer diameter.

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