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IOtech Strain Measurement

Supplier: Scientific Devices

The Iotech Model Strainbook616 is a compact, portable Strain Gauge Measurement System than connects to the PC's Ethernet port


The IOtech Stainbook616 is an Eight channel strain gauge measurement system which can be expanded by adding modules or for applications with more than 64 channels, multiple strainbook systems can be combined and synchronised for a virtually limitless number of strain measurement channels.

The Strainbook616 is also capable of measuring Voltage, Temperature, Vibration and Sound when used in combination with other Signal Conditioning modules available.


  • 1MHz Scanning A/D Converter
  • Simultaneous Sample and Hold
  • 16 Bit Resolution
  • Fast Ethernet interface to PC
  • Full, Half and Quarter arm support
  • 60 to 1000 OHM Bridge
  • Independant Filter per Channel
  • Programmable Excitation Source
  • DC power
  • Waveview Software


Unlike other instruments that only measure static strain, the IOtech Strainbook616's 16 bit, 1 MHz A/D converter covers a wide application range sampling from minutes to microseconds. Selected channels are scanned at 1uS per channel and built in simultaneous sampling guarantees that the time skew between channels is less than 100nS. The high speed Ethernet connection provides continuous data streaming to the PC in realtime; so the only limitation to the amout of data acquired and stored or the duration of the test is the hard disk storage on the PC.

The Strainbook616 supports a wide range of bridge, pressure transducers and load cell designs from 60 to 120 OHMs including Full, Half and Quarter bridge configurations using either standard 3-wire or 6-wire Kelvin connection. Internal and removable headers hold the bridge completion and shunt calibration resistors eliminating external fixtures.

The precision excitation regulators are adjustable through software from 0.5 to 10 V and feature remote sensing for accurate readings over long wire lengths. In addition, internal roll-back circuitary protects against accidental short circuit damage.

All input channels are attached via eight industry standard DB-9 connectors on the front of the instrument, with each channel having an independant gain stage, software programmable in 86 steps from 1 to 20000, providing optimal gain for any strain application.

Built-in Filtering per channel provides both software selected high-pass AC coupling and software selected 10-Hz and 1-KHz low pass filter. Designed for flexibility, the low pass filters can be field modified for other corner frequencies between 2 and 20KHz simply by inserting a user supplied resistor pack.

Balancing the bridge is quick and convenient. No pots to adjust, LEDs to monitor or dials to twist. Simply enter the values specific to the bridge and application and the Strainbook and Waveview Software does the rest. The Auto balance removes the quiescent portion of the load and compensates for any drift.

The Strainbook616 is supplied with Waveview Software, IOtech's Out-of-the-Box graphical setup, acquisition and display software. Waveview allows set up, data acquisition, real time display and storage to disk without having any programming experience.


IOtech Strainbook616 Specification Click Here