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HI8666

Relative Humidity and Temperature Transmitter

$365.00

Availability: Ships within 1-2 Business Days

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The HI8666 is a solid-state, wall-mounted transmitter for on-site, continuous monitoring of relative humidity and temperature in critical or controlled environments. It is equipped with a removable sintered cap, has excellent accuracy, and can communicate signals  to remote panel meters, controllers, or data acquisition systems.
  • Integrated sensor
  • Continuous monitoring
  • Removable sintered cap

Details

The HI8666 is a solid-state, wall-mounted transmitter for on-site, continuous monitoring of relative humidity and temperature in critical or controlled environments. It is equipped with a removable sintered cap, has excellent accuracy, and can communicate signals to remote panel meters, controllers, or data acquisition systems.


Features at a Glance

Built-in Sensor - The HI8666 contains a built-in thin-film polymer capacitive (TFPC) sensor that accurately measures relative humidity and temperature.

Analog Output Communication - Each 4-20 mA analog signal can be sent to remote panel meters, controllers or data acquisition systems. The signals are to be powered by separate external voltage sources.

Sintered Cap Protection - With the sintered cap installed, the sensor is protected from dust and debris prolonging the life of the sensor and the instrument with less maintenance required.

Specifications

RH Range 0% (4 mA) to 100% (20 mA)
RH Accuracy ±2% (5% to 95% RH)
Temperature Range -20°C (4 mA) to 60°C (20 mA)
Temperature Accuracy (@25ºC/77ºF) ±1% FS
Response Time 6 seconds without sintered cap; 60 seconds with sintered cap
Power Supply 10-30 Vdc
Output Signal 4 to 20 mA
Environment 0 to 60°C (32 to 140°F)
Dimensions 79 x 49 x 150 mm (3.1 x 1.9 x 5.9”)
Weight 150 g (5.3 oz.)
Ordering Information HI8666 is supplied with built-in RH sensor, protective sintered cap for RH sensor, mounting brackets and instructions.
Warranty 2 years
Notes Panel Cutout: 73 x 42 mm (2.9 x 1.6")

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