The ELF Force Measurement System includes Windows-compatible software and a USB interface data acquisition handle. Three FlexiForce B201 sensors are also included.
The ELF™ system is a complete, cost-effective and user-friendly load and force measurement system. The system consists of data acquisition hardware, software, and three FlexiForce® B201 sensors. The sensors include one for each of the following force ranges: Low 11 N (0-25 lb.), Medium 667 N (0-150 lb.) and High 4448 N (0-1000 lb.).
For more detailed information on the ELF System, including how to set it up and take force measurements, please download the ELF User Manual.
Thickness: 0.203 mm (0.008 in.)
Length: 228.6 mm (9 in.) End-to-end
Width: 14 mm (.55 in.)
Active sensing area: 9.53 mm (0.375 in.) Diameter
Connector: Custom interface to ELF Data Acquisition System
Substrate: Polyester (ex: Mylar)
|Sensor||Max Force (High Gain)||Max Force (Low Gain)|
|B201 - L||4.4 N (0 - 1 lb)||111 N (0 - 25 lb)|
|B201 - M||111 N (0 - 25 lb)||667 N (0 - 150 lb)|
|B201 - H||667 N (0 - 150 lb)||4448 N (0 - 1,000 lb)|
(Adjustable gain feature of the ELF System allows you to set force ranges)
Linearity (Error): < ±3% (Line drawn from 0 to 50% load)
Repeatability: < ±2.5% of Full Scale (Conditioned Sensor, 80% of Full Force Applied)
Hysteresis: < 4.5 % of Full Scale (Conditioned Sensor, 80% of Full Force Applied)
Drift: <5% / logarithmic time (Constant Load of 90% sensor rating)
Response Time: < 5 µsec (Time required for the sensor to respond to an input force; Impact load - recorded on Oscilloscope)
Operating Temperature: -40°C - 60°C (-40°F - 140°F)*
* Force reading change per degree of temperature change = ±0.36%/ºC (0.2%/ºF)
*ELF handles starting with serial number 125 (see back of handle) are not compatible with ELF software 4.3 and above. Newer ELF handles starting with serial number 126 are only compatible with ELF software 4.3 and above.
More advanced features are available upon request, such as:
Residing within the plastic ELF handle is the data acquisition hardware with USB connection. This patented interface ensures optimal performance of our FlexiForce sensors. The simple insertion of a FlexiForce sensor yields a powerful measurement tool.
Our patented electronics allow you to optimize the performance of the ELF system over a selected force/load range. The electronics adjust the device sensitivity to best fit the dynamic range of the specific application. This allows you to "fine tune" our single element sensors for optimal performance. Designed to be user friendly, simple calibration procedures can deliver accuracies of ± 5%. More controlled procedures can reach an accuracy level of ±3%. The ELF's innovative electronics provide high quality signals at distances of up to 30 feet from the PC.
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