Manufacturer of electronic instrumentation including signal conditioners, custom power supplies, computer controlled amplifiers and computer controlled signal conditioning instrumentation.

快乐飞艇精准预测

快乐飞艇软件

Description

The Model 664 is a two-channel computer-controlled dynamic strain gage amplifier module. The following parameters are displayed and are adjustable: gain, zero, external cal, filter, excitation and excitation monitor. Each channel has its own isolated constant current excitation source.

 

Specifications

Amplifier channels: Two independent AC-coupled channels
Gain settings: Fixed log steps 1, 2, 5,10, 20, 50, 100, 200, 500, 1000, 2000, 5000
Gain accuracy: ±1%
Frequency response: Six-pole Butterworth lowpass, selectable at 5kHz, 20kHz, 40kHz or bypassed; 5Hz highpass, single pole
Bridge mode: ¼ bridge dynamic mode; selecting 0mA disconnects excitation, leaving AC-coupled differential amplifier
Excitation: Excitation sources isolated from amplifier output common; programmable from 1.0-25.0mADC in 0.1mA steps; up to 12.5VDC compliance voltage available
Excitation monitor: Loop compliance voltage is scaled 50% and routed to amplifier output so external DAQ can calculate loop resistance
Fault indication: One green LED per channel turns red if amplifier exceeds ±10V
Memory: On-board EEProm stores serial number, calibration date, etc.
Mechanical: 5.5” x 13.5” board, used with Model 5020-102 rack

 

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