DESCRIPTION   본 제품은 Dynamic strain amplifier로서 단독, 또는 sub rack case를 사용하여 Multi-chnnel로 사용이 가능하며, 각 util 별로 전압출력이 LED로 표시되어 사용자가 관측을 하면서 측정할 수 있습니다. 사용 용도로 strain gauge 응용 sensor류와 potentiometer, mV 출력용 sensor와 half 및 full bridge의 strain 측정에 활용이 가능한 고급형 제품입니다.
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FEATURE - Fully adjustable calibrated gain from 1 to 11000 - Accepts all strain gage inputs (foil or piezoresistive), potentiometer, DCDT's, etc. - Bridge excitation from 1 to 10Vdc(5 steps) - Input impedance above 1GΩ. - Four-frequency low-pass active filter (10Hz to 10kHz) - Automatic bridge balance (± 4000με) - Double shunt calibration (120Ω, 350Ω, 2000με, 200με) - Outputs voltage display (7-segment 4-digits LED) - Size : 218 (H) × 43 (W) × 258 (D) (mm) - Weight : Approx. 1.2kg
SPECIFICATION Excitation  5 steps : 1V, 2V, 5V, 7.5V, 10V  Current : 170mA, max.  Remote sensing circuit : error -0.0005%/Ω at lead resistance (350Ω load)  Noise and ripple : 0.05% p-p, max (dc 10kHz)  Stability : ± 0.01%/℃ Input  Strain gauge   : quarter, half or full bridge (50 to 1000Ω). Built-in 120Ω and 350Ω dummy resister  Transducer   : Piezoresistive strain gauge types,potentiometer,DCDT transducers displacement. Amplifier  1st Gain : × 1, × 10, × 100, × 400, × 1000 5steps  2nd Gain : × 1 to × 11 continuously variable  Vernier multiplier : 10-turn counting knob with direct readout  Fine Adjust  Frequence response : 100kHz (-3dB), max  Input resistance : 1GΩ, differential or common mode  Input capacitance : 4pF, differential or common mode  Input voltage range : ±10V, differential mode 12V-(G/2×Vd), common mode (Vd=actual differential input voltage)  Bias current : ± 30nA, typical, each input  Common-mode rejection (G=100) : 100dB, min, dc to 60Hz with 1kΩ source imbalance  Stability (G <1000) : 5ppm/℃, max  Noise (G=100) : 0.01 to 10Hz, 0.3μVp-p R.T.I Filter  Characteristic : low-pass active 2-pole Butterworth standard  Frequencies (-3dB) : 10Hz, 100Hz, 1kHz, 10kHz, wide-band Amplifier output (BNC connector)  Output 1 : ± 10V @100mA max  Output 2 ; ± 10V @10mA max Monitor voltage display  Display character : 7-segment 4-digits LED  Display range : 0.000V ~ ± 10.00V Monitor test terminal  EXC+, - / SIG+,- / OUT+,- GAIN  1 ~ 11000 magnifications, Max Frequency response  100kHz (-3dB), Max Bridge balance  Auto ranging : ± 4000με (2mV/V)  Auto balance time : 1 second, typical  Manual balance range : ± 1V  Storage : non-volatile data memory (EEPROM) Low pass filter  4 steps 10Hz, 100Hz, 1kHz, 10kHz (-3dB) Linearity  ±0.01% Stability  ±0.01%℃ Shunt calibration  Bridge resistance 120Ω : 200με and 2000με calibrations  Bridge resistance 350Ω : 200με and 2000με calibrations Input impedance  more than 1GΩ Power  AC 110V or 220V (switch selected), 50/60Hz, 7.5watts  3-Wire line code (2-wire : Power / 1-wire : Ground) DIMENSION