PB100NPAT-1 Equilibration Device

An equilibrator with an active area of  247.7 mm x 152.4 mm (9.75 in. x 6.00 in.).

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Equilibration devices are recommended for improving accuracy and extends sensor life by verifying that all 2,000 sensing elements have similar output under the same load. To equilibrate, each sensor band of the NPAT™ is fed into the equilibrator one band at a time. The software uses a Wizard to help users through this step-by-step process. The software controls the pressure via an analog controller to verify a repeatable load is being placed on each sensor (30-60-90%)

The software detects whether or not the process was done correctly and provides feedback. Once all the bands are loaded, the software applies equilibration factors to all of the sensing elements in the system to improve output uniformity. This process allows the user to identify if a sensor band needs to be replaced.

Why Equilibration?

Over time and through repeated loading, individual force sensing elements will eventually start to vary somewhat in sensitivity. The equilibrator applies a uniform pressure across the face of the sensor, allowing the software to easily see and quanitfy these variations. A digital compensation factor is automatically created and applied to each individual sensng element. This normalizes all of the sensing elements on the sheet, improving the accuracy and extending the lifespan of the sensor.

Sensor output before equilibration sensor output after equilibration
Sensor in Equilibrator before software equilibration is performed. Sensor in Equilibrator after software equilibration is performed.


Equilibrator Specifications:

Active Area 247.7 mm x 152.4 mm (9.75 in. x 6.00 in.)
Width 203.2 mm (8.00 in.)
Length 508 mm (20.0 in.)
Height 205 mm (8.07 in.) - including gauge and fittings
Weight 12.7 kg (28.0 lbs)
Frame Material Aluminum
Bladder Material Urethane
Gauge Accuracy 1% F.S.
Pressure Range 0-689 kPa (0-100 psi)