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Amplifier

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QAM-1000: AMPLIFIER

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.

1~2일 내 배송

>FUNCTION

- 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
Input	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
Filter	Frequencies (-3dB) : 10Hz, 100Hz, 1kHz, 10kHz, wide-band
Amplifier output (BNC connector)	Output 1 : ± 10V @100mA max
Amplifier output (BNC connector)	Output 2 ; ± 10V @10mA max
Monitor voltage display	Display character : 7-segment 4-digits LED
Monitor voltage display	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
Shunt calibration	Bridge resistance 350Ω : 200με and 2000με calibrations
Input impedance	more than 1GΩ
Power	AC 110V or 220V (switch selected), 50/60Hz, 7.5watts
Power	3-Wire line code (2-wire : Power / 1-wire : Ground)

>DIMENSION

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