amplifier and only select the temperature coefficient of a resistance by allowing a bridge circuit of stain gages to operate as part of a 1st operational amplifier and holding the uninverted input terminal of the 1st operational amplifier at the zero potential by a 2nd operational amplifier. CONST...
网络应变规放大器;应变信号放大器;应变放大器 网络释义
The strain gage for the semiconductor is prepared by a resistance net Rs for detecting currents, the bridge 2, a differential amplifier 4 controlling voltage applied between the resistance net Rs so that it reaches constant value Es, and a transistor 3 by using such a substrate 21. Accordingly...
the voltage differential between the sense leads is accumulated so it can more easily be read into an amplifier circuit. They are offsetting in the sense that if one point has more load than the opposite one, the differential between them remains the same. This makes for a pretty stable weig...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook strain gauge (redirected fromstrain gauges) Also found in:Dictionary,Thesaurus,Medical. A very fine wire or thin foil which exhibits a change in resistance proportional to the mechanical strain imposed on it; us...
•large gain bandwidth;DC to 40kHz •excellent ratio of price and performance • • • •optional outputs The Tensiotron®TS 621 HD electronic strain gauge amplifier is especially intended for amplification of high frequency sensor signals in mV range. ...
Figure A-3 Alternating current is provided by an exciter that is used in place of a battery to eliminate the need for a galvanometer. When a change in resistance in the strain gauge causes an unbalanced condition, an error signal enters the amplifier and actuates the balancing motor. The ...
RG= 120 ohms and connected in a quarter bridge configuration. The bridge is excited at VEXC=2.5V. As the current required at the bridge is much higher than what is available from REFOUT, a simple buffer amplifier is required. If you prefer not to build your own circuit, you can use ...
Each amplifier is adjustable so that individual bridge circuit sensitivity is possible to compensate for environmental and operating conditions on the main deck of a vessel or boat. The individual amplifiers can be tare adjusted to effect the equivalent or zeroizing the corresponding bridge if ...
Strain gage operation (bending exaggerated for clarity) Wheatstone Bridge Diagram When one of the four resistors is being used to make a single-axis measurement, this is what is called aquarter bridgehook-up. The signal conditioner must provide the three missing sensors, and balance the circuit,...