03-13-2007 04:07 AM
Sir,
My experiment involves the measurement of strain on the specimen on the application of torque.
I'm using SC-2043SG for the quarter bridge ,with an internal excitation of 4.13V.
The problem is that when i apply 1.5 Nm and 2Nm torque, both are showing the same strain, 243 microstrain.
Whereas in the digital multimeter they show .7mV and .9mV respectively.
The strain is supposed to vary , which is not happening for every 0.5Nm. The multimeter is showing a
variation of .1mV for every 0.5Nm increase in torque. But this is not being shown in the strain output. Only
when it reaches 3Nm it shows 486 Nm. But this remains the same even for 4Nm.
external signal conditioning is also not helping.
03-14-2007 12:52 PM
03-19-2007 02:35 AM
03-19-2007 05:15 PM