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Dynamic strain amplifier DSA - 631

 
 
 

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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

 

SPECIFICATIONS

 

Measuring point 1 point per 1 unit
Applicable gage resistance 60 Ω to 1kΩ
Gage factor 2.00
Bridge power supply AC0.5 V, 2 V, 5 kHz sine wave, Sync input/output signal 2.5 VAC
Balancing adjusting range Deviation of resistive value : Approx. ±2 % (±10 000x10-6 in strain)
Capacitive imbalance : Approx. 2 000 pF
Balancing adjusting Accuracy ±0.4x10-6 in strain (RANGE=200, without FINE, BV=2 V)
Maximum input range ±200 000 x 10-6 in strain (RANGE=20k, FINE=x2.5, BV=0.5 V)
Voltage sensitivity ±10 V within ±200 x 10-6 in strain
Shift of measuring range 200, 500, 1k, 2k, 5k, 10k, 20k (x10-6 in strain, x2/BV in value), OFF
Fine adjustment Continuously changeable in FINE ~ RANGE
2 steps changing amount can be selected.
Non-linearity ±0.1 %F.S.
Standard equivalent strain(CAL) Set by digi-switch : ±1 to 9 999 x10-6 in strain
Accuracy ±0.5 %rdg+0.5x10-6 in strain
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, 300 Hz, 500 Hz : 4-pole butterworth type
(Filter descent response : -24 dB/oct)
Stability  
Temperature efficient Zero drift : Within ±0.1x10-6 in strain /℃
Sensitivity : Within ±0.05 %F.S./℃
Efficient due to time Zero drift : Within ±0.5x10-6 in strain /24 h
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
OUTPUT2 ±10 V, ±10 mA
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 ℃,
Humidity 20 % to 85 %RH or less(Non condensing)
Power supply voltage, Power consumption AC85 V to AC132 V/AC180 V to AC264 V
(Internal switch must be changed) 9 VA or less
DC10 V to DC30 V, 6 VA or less
Outline dimensions
(W x H x D)
49.5 mm x 143 mm x 253 mm (excludes protruding parts)
Weight Approx. 1.35 kg