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FL 151

FEATURES:
- 16 input channels for processing of analogue strain gauge measuring signals
- Measuring point extension to max. 32 input channels possible
- Easy strain gauge connection by multi-pin input port or single ports
- Suitable for computerised data acquisition
- Integrated software for experimental units FL 120, FL 130, FL 140
- Communication with computer via USB

DESCRIPTION

Technical Description

Stresses and strains occurring in components are determined in experimental stress and strain analysis by measuring strain. In industry, strain is often recorded by strain gauges. Since strain gauges deliver only small analogue measurement signals, the signals must be amplified in measuring amplifiers. Then they are converted into digital pulses and displayed as measured strain. These strains may also be evaluated and processed on computer.

FL 151 is a multi-channel measuring amplifier which supplies the strain gauge bridge circuits with power and processes the received measurement signals. The unit can only be operated with a computer. The measuring amplifier includes 16 input channels and, by using a measuring point add-on unit (FL 151.01), can be extended to a maximum of 32 input channels. The strain gauge measuring points are connected to associated balance potentiometers either by a 68-pin multiport or 16 (6-pin) single ports.

The multi-channel measuring amplifier is operated via USB using the supplied software. The measured values can be read and saved on computer (using an application such as MS Excel). 


Learning Objectives / Experiments

- amplification and display of signals from strain gauge measuring points
- processing of measured values on computer
- evaluation of stress and strain analysis experiments, in conjunction with: FL 120, FL 130, FL 140
- evaluation of experiments relating to forces in trusses, in conjunction with: SE 130, SE 110.21, SE 110.22

FEATURES

Specification
[1] multi-channel measuring amplifier for processing of strain gauge signals
[2] strain gauge connection in half or full bridge configuration
[3] strain gauge connection via 6-pin single ports or 68-pin multiports
[4] extension of measuring points possible with FL 151.01
[5] processing of measured values on a PC
[6] connection to the PC via USB
[7] integrated software for experimental units FL 120, FL 130, FL 140
[8] system requirement: Windows Vista or Windows 7 

Technical Data
Amplifier
- number of input channels: 16
- with FL 151.01 measuring point add-on unit:
   max. 32 input channels

Strain gauge connection in half or full bridge configuration
- resistance: min. 350Ohm/strain gauge
- zero balancing: 20x spindle trimmer
- strain gauge supply voltage: +/-5VDC

Frequency range selectable via bridges 
- 4Hz/500Hz (-3dB)

Input voltage: max. +/- 50mV

Dimensions and Weight
LxWxH: 370x315x160mm
Weight: approx. 7kg Required for Operation 230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase


Scope of Delivery
1 multi-channel measuring amplifier
1 software CD
1 USB cable
1 instruction manual

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