MODEL 635 STRAIN GAGE AMPLIFIER
Features
Description The Model 635 strain gage amplifier exhibits the performance characteristics and controls derived from 20 years of customer-oriented experience.
Specifications |
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Bridge configuration: Quarter, quarter dynamic, half, and full bridges, switch selectable; can also be used as general purpose differential amplifier Bridge completion: Switch selects either 120 Bridge excitation: Front panel adjustable, isolated 1.25 VDC to 15.0 VDC; front panel on/off switch; monitor jacks provided for voltmeter Bridge balance: Front panel pushbutton or remote control activation of bridge balance cycle; LED indicates unbalanceable condition Operating modes: Switch selects AC coupled,
Output limit: Front panel LED lights if output signal exceeds 1V RMS Output noise: 2.5 microvolts RMS RTI max, DC to 32kHz at G=1000 Power: Model 843 power supply module provides unregulated ±24V, plus unregulated isolated supply for bridge excitation Mechanical: 19"W x 7"H x 14"D, seven module rack adapter, Model 4007-137; one- and two-module desktop cases, Model 4009-107 and 4010-111
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