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Honeywell 1865 force sensors

Honeywell 1865 Series Force/Pressure Transducer

Liquid media psi pressure ranges. Unamplified, compensated. Current excitation mA or voltage excitation mV outputs.

Product sheet

Main Features

  • Silicon pressure/force interface diaphragm
  • Force measurement for infusion pump applications
  • Pressure measurement for liquid media
  • Medical-grade materials
  • 8-pin DIP electrical connection
  • Laser trimmed
  • Choice of voltage or constant current excitation

Description

The Model 1865 is a high-performance transducer specifically designed to address the needs of medical and specialized OEM applications. Offering laser-trimmed compensation, the Model 1865 may be specified to operate with either a
constant current or voltage supply.

 

The Model 1865 employs a solid state piezoresistive pressure transducer mounted in a plastic package. For applications where force is applied by a flexible membrane to the sensor, such as found in infusion pumps, the Model 1865’s precision height silicone diaphragm provides long life and is a reliable replacement for older force or load cell transducers. Utilizing a silicon rubber diaphragm, the 1865 is compatible with some liquid media applications.

 

The Model 1865 provides access to important safety features in critical care medical instrumentation, such as occlusion pressure or infiltration detection. The pressure data can provide medical personnel with useful diagnostic information regarding the condition of the patient’s circulatory system. These force/pressure transducers can also be used with other medical dispensing devices, such as syringe pumps, to improve safety and accuracy.

 

May be operated in either current or voltage excitation, the Model 1865’s output can be amplified or signal conditioned, as required. The semiconductor-based sensor offers high resolution using its Wheatstone Bridge strain gauge design. The height of the unit’s patented, poured-in-place silicon rubber diaphragm is controlled to ensure sensitivity to low pressure. This diaphragm is bonded to a plastic header and transmits force applied through a special silicone gel to the diaphragm of a silicon peizoresistive die. The back of the die is exposed to atmospheric pressure, which results in a gauge pressure output.

Downloads

Download file

Honeywell 1865 Series Force/Pressure Transducer Datasheet

Honeywell Airflow, Force and Pressure Sensor Product Range Guide

Honeywell Sensors & Switches for Medical Applications Brochure

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Manufacturers

Manufacturer
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