3
⑧ Equilibrium control method
Automatic equilibrium control (Auto) –Extent : ± 4000µstrain
Time : about 1 second
Back up : semi-perma-nent.
Passivity fine control (Zero ADJ) : ± 1V
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Max. Sensitivity (At 100µstrain input)
Bridge Voltage Output
10V…………………… 5V
5V…………………… 2.5V
2V…………………… 1V
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Output
OUT1 : ± 10V (more than 200Ω load)
OUT2 : ± 10V (more than 2kΩ load)
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Non-linearity : ± 0.01% F.S
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Calibration (CAL)
Extent : 1% F.S
1.0mV/V : 2000µstrain
0.1mV/V : 200µstrain
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Sensitivity adjustment (GAIN)
X1, X10,X100,X400, X1000 within ± 1% at error each point
(SPAN) X1 ~ X11 continuous variableness
(FINE) X1 ~ X2 continuous variableness
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S/N 비 (Input conversion numerical value) : more than 54dB (1kHz)
CMRR (Input conversion numerical value) : more than 100dB (1kHz)
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Response frequency characteristic
DC~100kHz (GAIN : 1000, Reduction : -3dB)
DC~20kHz (GAIN : 1000, Reduction : -0.1dB)
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Low Pass Filter
(L.P.F) Frequency: 10, 100, 1K, 10K, PASS 5 stages
About decrease : within -6dB/oct
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General