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Dynamic strain amplifier DSA
- 631 |
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- E Eqquipped the wire length correcting function and open circuit check function.
- E High sensitivity and high gain
- E Excellent visibility and operativeness
- E Two power supply types
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| Measuring point |
1 point per 1 unit |
| Applicable gage resistance |
60 Ά to 1kΆ |
| 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, BV2 V) |
| Maximum input range |
}200 000 x 10-6 in strain
(RANGE20k, FINEx2.5, BV0.5 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 |
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| 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, RANGE200, Without FINE, BV2 V, 120 Ά in bridge)
0.6 x 10-6 in strain p-p RTI
(DC ~ 100 Hz, RANGE200, Without FINE, BV2 V, 120 Ά in bridge)
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| Output |
OUTPUT1 }10 V, }5 mA
OUTPUT2 }10 V, }10 mA
Output impedance 0.5 Ά or less,
Capacitive load Operable up to 0.1 ΚF |
| 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 |
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