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These 3-pin sensors are capable of measuring force and pressure in environments as hot as 400°F (approximately 200°C). The HT201 measures a standard force of 222 N (50 lb), with a maximum force of 2,224 N (500 lb).
The dynamic range of this versatile force sensor can be modified by changing the drive voltage and adjusting the resistance of the feedback resistor (see "How to Adjust the Force Range" within the Electronics tab on the left).
|Sensor Thickness: 0.203 mm (0.008 in.)|
Force Sensor Length:
Sensing Size (Diameter/Width):
Temperature Range (Low):
Temperature Range (High):
Ideal for high temperature applications
|Linearity (Error):||< ±3% of Full Scale (Line drawn from 0 to 50% load)††|
|Repeatability:||< ±3.5% (Conditioned Sensor, 80% of Full Force Applied)|
|Hysteresis:||< 3.6 % of Full Scale (Conditioned Sensor, 80% of Full Force Applied)|
|Drift:||<3.3% / logarithmic time (Constant Load of 111 N (25 lb))|
|Response Time:||< 5 µsec (Time required for the sensor to respond to an input force; Impact load - recorded on Oscilloscope)|
|Operating Temperature:||-40°C - 240°C (-40°F - 400°F)|
±40% sensor-to-sensor variation
≥ 3 million actuations (Perpendicular load, room temperature, 22 N (5 lb))
0.36%/°C (± 0.2%/°F) (Conductive heating)
†All data above was collected utilizing an Op Amp Circuit. If your application cannot allow an Op Amp Circuit, consult the FlexiForce Integration Guide, or contact a FlexiForce Applications Engineer. Specifications on pressures up to 500 PSI represent the average value throughout a range of temperatures up to 240°C (400°F).
††Linearity up to 889N (200 lb)
If your application cannot allow an Op Amp Circuit, consult the FlexiForce Integration Guide, or contact a FlexiForce Applications Engineer. If you prefer to build your own electronics, we recommend using a circuit similar to the diagram below. This will provide linear data, making it easier to calibrate the sensor.
*In order to measure higher forces, apply a lower drive voltage (-0.5 V, -0.25 V, etc.) and reduce the resistance of the feedback resistor (1kΩ min.) To measure lower forces, apply a higher drive voltage and increase the resistance of the feedback resistor.
The FlexiForce™ Sensor Characterization Kit is a time-saving, affordable tool enabling engineers and designers to understand how FlexiForce sensors perform in a controlled loading environment.
The new and improved replacement for the OEM Development Kit. The FlexiForce™ Prototyping Kit allows you to efficiently progress your FlexiForce-embedded design through advanced integration phases.
Interchangeable circuit modules for use with the FlexiForce Sensor Characterization Kit, the FlexiForce Prototyping Kit, or your own electronics.
Optimize FlexiForce sensor linearity and repeatability with these delrin load concentrators, or "pucks."
The FlexiForce Quickstart Board is a finished single voltage source circuit which can be quickly dropped into a prototype or easily designed into a product to obtain force measurements.
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