IDA100 play_arrowFSH03912

Strain Gauge Amplifier with Digital and Analog Output

IDA100 , High Speed & High Resolution Programmable Analog Amplifier w/ 1 kHz Bandwidth & Up To 4800 SPS USB Output , 0-10 VDC or +/-10 VDC Analog Output , Powered By USB , Red Powder Coated Aluminum Enclosure, Integrated DIN Clip
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usb load cell amplifier analog output IDA100

FUTEK's IDA100, a digitally configurable amplifier with USB output (USB strain amplifier), is an instrument offering users the unique ability to have both an amplified analog and digital output, suitable for digital load cells applications. The dual output features of the IDA100 Load Cell ADC are powered solely by the 5V output from the USB. This strain gauge load cell amplifier also has a software selectable ±5V and ±10V analog output with a low noise value of 12 mVp-p (millivolt peak-to-peak) and a bandwidth of 1 kHz. Similar to our IAA analog amplifier series, the IDA100 USB load cell amplifier analog output was also designed with an integrated 35 mm DIN rail clip, being a suitable load cell amplifier for PLC. The high retention USB connector ensures that the power supply to the IDA100 load cell ADC will not be jeopardized should the connector experience a tug or pull during use.

For other USB Solutions, check out our USB Load Cell Amplifiers store.

The function of a load cell amplifier circuit is to capture the signal from the load cell or torque sensor and convert it into a higher level of an electrical signal. In order to do so, the mV/V low amplitude output of the load cell goes thru four different signal conditioning steps:

1) Excitation Voltage: Full-bridge load cells or torque sensors require an excitation voltage from the Wheatstone bridge amplifier to feed the strain gage Wheatstone bridge and generate their output signal as a ratio of the input excitation voltage.

2) Filtering: Analog sensor signals are susceptible to electrical noise and/or residual ripple voltage, which can distort or skew measurements. Noise needs to be filtered out before you can capture an accurate signal. 

3) Amplification: A full-bridge strain gage sensor can output a signal in the nanovolt through millivolt range. When your DAQ or PLC is limited to measuring volts, you will need an strain gage amplifier to convert millivolts to a larger signal.

4) Signal conversion: The majority full-bridge load cells and force measurement sensors or transducers generate an analog output in the millivolt range (mV/V). Thus, signal processing is traditionally analog. So, if you req PLC or DAQ system requires an amplified analog (i.e.: 4-20 mA, 0-10 VDC) or a digital output (USB, SPI), the load cell or torque sensor needs a strain gage signal conditioner to convert the mV/V signal to the required signal output.

  • USB 2.0 Communication Link - Digital Load Cell Amplifier
  • USB Bus-Powered (5V)
  • Input/Output Short Circuit Protection
  • Low Noise Analog Output Value of 12 mVp-p
  • User Selectable Sampling Rates from 5 – 4800 SPS
  • Software Selectable Excitation Voltages of 5 VDC and 10 VDC

Application Focus: Endurance Testing
IDA100 Features
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