Dynamic strain amplifier DSA - 631

Discontinued Products

Introduction of the strain amplifier to amplify the signal from strain gage, transmit and indicate it, and the strain generator to calibrate the equipment connected with strain gage applied transducer, such as load cell, ressure sensor, etc.

Features

・Eqquipped the wire length correcting function and open circuit check function.
・High sensitivity and high gain
・Excellent visibility and operativeness
・Two power supply types

Alternative

A&D Company

Limited　Industrial Measuring Instruments/Signal Conditioners/AC Strain Amplifier AS3000 Series/Strain amplifier AC bridge method

general-purpose

low bandwidth type AS3603

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Specification name	Specification contents
Measuring point	1 point/1unit
Applicable gage resistance	60 Ω ~ 1kΩ
Gage factor	2
Bridge power supply	0.5 VACrms, 2 VACrms, 5 kHz sine wave, Sync input/output signal 2.5 VACrms
Balancing adjustable range	Deviation of resistive value :Approx. ±2 % (±10 000 μst) Capacitive imbalance : Approx. 2 000 pF Balancing adjusting Accuracy ±0.4 μst (RANGE=200, without FINE, BV=2 V)
Maximum input range	±200 000 μst (RANGE＝20k, FINE＝x2.5, BV＝0.5 V)
Sensitivity	±10 V within ±200 μst
Shift of measuring range	200, 500, 1k, 2k, 5k, 10k, 20k( μst, x2/BV in value), OFF Fine adjustment Continuously changeable in FINE ~ RANGE 2 steps changing amount can be selected.
Non-linearity	±0.01 % F.S.
Standard equivalent strain(CAL)	Set by digi-switch : ±1 to9 999 μst Accuracy ±0.5 %rdg＋0.5 μst
Frequency response range	DC to 2 kHz±10 %
Hi-pass filter	0.5 Hz : 2-pole butterworth type (Filter descent response : -12 dB/oct)
Low-pass filter	10 Hz, 30 Hz, 100 Hz, 300Hz, 500 Hz : 4-pole butterworth type (Filter descent response : -24 dB/oct)
Temperature efficient	Zero drift : Within ±0.1 μst/℃, Sensitivity : Within ±0.05 %F.S./℃
Efficient due to time	Zero drift : Within ±0.5 μst /24h, Sensitivity : Within ±0.2 %F.S./24 h
Noise	2.0 x10-6 in strain p-p RTI (W/B, RANGE＝200, Without FINE, BV＝2 V, 120 Ω in bridge) 0.6 x 10-6 in strain p-p RTI (DC ~ 100 Hz, RANGE＝200, Without FINE, BV＝2 V, 120 Ω in bridge)
Output	OUTPUT1 ±10 V, ±5 mA, Load resistance 2 kΩ OUTPUT2 ±10 V, ±10 mA, Load resistance 1 kΩ Output impedance 0.5 Ω or less, Capacitive load Operable up to 0.1 μF
Output adjustment	OUTPUT2 ADJ (Can be independently varied continuously from 1 to 1/10)
Operating temp./humidity range	Temp. -10 ℃ to 50 ℃, Humidity20 % to 85 %RH or less(Non condensing)
Power supply voltage, Power consumption	AC85 V to AC132 V/AC180V to AC264 V (Internal switch must be changed) 9 VA or less DC10 V to DC30 V, 6 VA or less
Outline dimensions(WxHxD)	49.5 mm x 143 mm x 253mm (excludes protruding parts)
Weight	Approx. 1.4 kg

Instruction Manual
- dsa631(EN294-1320).pdf
Specification
- dsa631(EN361631).pdf
CAD
- dsa631.dxf
- Current output DSA-631-07
- Bridge Box Unit FA410-072