IR120 Infrarot-Temperatursensor
Kontaktlose Messung von Oberflächentemperaturen
wetter  wasser  energie  gas flux and turbulence  bauwerke  boden

Überblick

Der IR120 ermöglicht es, die Oberflächentemperatur eines Ziels über die abgestrahlte infrarote Strahlung zu messen. Dadurch ist er ideal zur Messung der Durchschnittstemperatur von Blättern oder Baumkronen oder von Oberflächen wie Strassen, an denen der Einbau von Sensoren zu aufwändig oder teuer wäre.  Der IR120 kann auch zur Temperaturmessung von Boden, Schnee oder Wasser eingesetzt werden.

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Technische Beschreibung

The IR120 has a wide field of view (half angle 20°) and an output signal of 20 mV per °C; a built in amplifier ensures excellent noise immunity. An integrated calibrated thermistor behind the main thermopile provides a reference body temperature. For long term external use the sensor can be mounted into a specially adapted camera housing or within an adapted data logger enclosure with IR transmissive window or an enclosure with a hard germanium window. The sensor is compatible with the CR1000, CR800 series and CR3000 data loggers or any other logger offering suitable reverse excitation.

Spezifikationen

Field of View (FOV) 20° (half angle)
Dimensions 92 mm long by 28 mm diameter
Response Time <1 second to changes in target temperature
Target Output Signal 20 mV per °C (difference from sensor body)
Signal Offset removed by calibration (supplied)
Typical noise level IR120 0.05°C RMS (as measured by a CS datalogger)
Wavelength Range IR100: effective bandwidth: 8 to 14 μm (some sensitivity from 2-6 μm)
Calibrated Range -25°C below body temperature to +25°C above body temperature
Operating Range -25°C to +60°C
Accuracy over Calibrated Range ±0.2°C (against a blackbody source over a 50°C temperature span under laboratory conditions)
Current Consumption 0.4 mA when excitation applied, 0 mA quiescent
Sensor output impedance 320 Ω
Thermopile Excitation Voltage +2 to +3.5V
Thermistor Excitation Voltage -2.5V or +400 mV

Kompatibel mit

Datalogger Considerations

Compatible Contemporary Dataloggers

CR200(X)-Series CR300-Series CR800/CR850 CR1000 CR3000 CR6 CR7X CR9000X
No

Compatible Retired Dataloggers

CR500 CR510 CR10 CR10X 21X CR23X CR9000 CR5000