MODEL 610 STRAIN GAGE AMPLIFIER ASSEMBLY

Description

The Model 610 strain gage amplifier exhibits the performance characteristics and controls derived from 20 years of customer-oriented experience. It features very low output noise, broad-band response and many other conveniences, all combined in one moderately priced module.

Specifications

Bridge configuration: Quarter, quarter dynamic, half, and full bridges, selectable by changing internal completion header; can also be used as general purpose differential amplifier

Bridge completion: Internal header mounts customer-specified precision completion resistors

Bridge excitation: Front panel adjustable 1.25 VDC to 15.0 VDC constant voltage excitation or fixed 15mA or 30mA constant current excitation; front panel on/off switch

Bridge balance: Front panel trimpot allows bridge to be manually balanced

Operating modes: Switch selects Zero, AC coupled, External cal signal, DC coupled, or DC cal

Gain: Front panel switch selectable gains of 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000 with gain vernier

Frequency response: DC to 50kHz, with board-mounted dipswitch selectable 2-pole active filter at 10Hz, 500Hz, 1kHz, 5kHz, 16kHz, and 32kHz -3dB frequencies

AC coupled response: Board-mounted toggle switch selects 10Hz highpass or 0.4Hz highpass filter

Calibration:	Shunt cal	Activated by front panel Mode switch or remote command; places internal calibration resistors across bridge
	External cal	Activated by front panel Mode switch or remote command; signal applied to rear panel BNC is connected to amplifier input

Signal outputs:	Main:	±10V max, 100mA peak load
	Tape:	±10V max, 5mA peak load

CC limit: Front panel LED lights if bridge wiring resistance exceeds constant current excitation capabilities

Output noise: 5 microvolts RMS RTI max, DC to 32kHz at G=1000

Power: Model 819-003 power supply module provides unregulated ±24V

Mechanical: 19"W x 5.25"H x 14"D, 7 module rack adapter, Model 4007-145

Carrying case: 1 and 2 module desktop cases, Model 4009-104 and 4010-106

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