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 |
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Options
- Current output DSA-631-07
- Bridge Box Unit FA410-072