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Strain Amplifier

Dynamic strain amplifier DSA - 631

  • Discontinued Products

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

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

Specification

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

Download

Instruction Manual

Specification

Options

  • Current output DSA-631-07
  • Bridge Box Unit FA410-072
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