Cảm biến đo nhiệt độ và độ ẩm không khí Campbell Scientific EE181-L

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Cảm biến đo nhiệt độ và độ ẩm không khí Campbell Scientific EE181-L

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Cảm biến đo nhiệt độ và độ ẩm không khí Campbell Scientific EE181-L

Overview

The EE181 is a rugged, accurate air temperature and relative humidity (RH) probe that is ideal for long-term, unattended applications. It includes a proprietary coating on the RH element that increases the life of the element and protects it from dirt, dust, salt, or other contaminants. A 1000 Ω PRT measures air temperature for the -40° to +60°C range. For optimum results, the EE181 should be recalibrated annually.

Benefits and Features

  • Well-suited for long-term, unattended applications

  • Accurate, rugged, reliable

  • Outstanding long-term stability

  • Wide operating temperature range

  • User cleanable

  • Compact and easily interchangeable

  • Low power consumption

  • Compatible with all Campbell Scientific dataloggers

Specifications

Supply Voltage

7 to 30 Vdc (typically powered by the datalogger’s 12 V supply)

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

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

Temperature Sensor

1000 Ω Platinum Resistance Thermometer (PRT)

Operating Temperature Range

-40° to +60°C

Storage Temperature Range

-40° to +80°C

Output Signal Range

0 to 1 Vdc

Relative Humidity

Sensor

Capacitance

Measurement Range

0 to 100% RH (non-condensing)

Output Signal Range

0 to 1 Vdc

Temperature Dependence

Typically 0.03% RH/°C

Relative Humidity - Accuracy

-NOTE-

Includes hysteresis, non-linearity, and repeatability.

Accuracy at -15° to +40°C

  • ±(1.3 + 0.003 • RH reading) % RH (0 to 90% RH)

  • ± 2.3% RH (90 to 100% RH)

Accuracy at -25° to +60°C

± (1.4 + 0.01 • RH reading) % RH

Accuracy at -40° to +60°C

± (1.5 + 0.015 • RH reading) % RH

Dowload

Brochures

EE181 Air Temperature and Relative Humidity Probe

Manuals

EE181 Temperature and Relative Humidity Probe

Press Releases

Campbell Scientific offers new EE181 temperature and humidity probe

Compliance

EE181 EU Declaration of Conformity

Miscellaneous

Manufacturer EE181 Sample Calibration Certificate

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