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SKU HI8666 Category Tags ,

Relative Humidity and Temperature Transmitter - HI8666

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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

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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)

Accuracy

±2% (5% to 95% RH)

Temperature

Range

-20°C (4 mA) to 60°C (20 mA)

Accuracy

±1% FS

Additional Specifications

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.)

Notes

Panel Cutout: 73 x 42 mm (2.9 x 1.6″)

Ordering information

HI8666 is supplied with built-in RH sensor, protective sintered cap for RH sensor, mounting brackets and instructions.

Additional Informations

Additional information

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