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ST Series
LVDT
The ST series AC-LVDTs are layer wound on a steel coil form, providing high quality and rugged position sensors.
Featuring large radial clearance between case hole and core. Steel casing serves as electromagnetic and electrostatic shielding. Being an AC LVDT it needs a signal conditioner to operate it, such as LVDT Signal Conditioner model EL-10 or LVDT Signal Conditioner model EL-35, or LVDT Control Box CB-100 Series,
 or USB-10 Unit. All are manufactured by Singer Instruments & Control.
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Specifications
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Input voltage. . . . . . . . . .
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3Vrms (nominal)
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Input Frequency . . . . . .
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50 to 10000 Hz range, 5kHz (nominal)
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Non Linearity error
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0.25% F. R. (0.5% for ST-75, ST-100)
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Operating temperature
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-20oC to +70oC
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range. . . . . . . . . . . . . . . .
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Shock Survival. . . . . . . .
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250g for 11 msec
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Vibration tolerance . . . .
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20 g up to 500 Hz
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Lead wires. . . . . . . . . . . .
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6 wires 400 mm long
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Linear Range
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Sensitivity
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Impedance
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Resistance
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Length
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TYPE
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(tested at 5kHz)
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(tested at 5kHz)
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mm
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V/mm/Vex
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Ω
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Ω
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mm
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Prim.
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Sec.
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Prim.
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Sec.
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A
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B
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ST-1.5
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±1.5
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0.18
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220
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720
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60
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170
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30.5
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21.5
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ST-3
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±3
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0.11
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310
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1200
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95
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270
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45
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25
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ST-5
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±5
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0.06
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420
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1300
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110
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260
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74
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45
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ST-10
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±10
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0.04
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440
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1500
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90
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210
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100
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65
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ST-25
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±25
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0.032
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420
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900
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90
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160
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150
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80
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ST-32
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±32
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0.03
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450
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950
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95
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170
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160
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80
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ST-50
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±50
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0.015
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180
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640
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50
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110
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300
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173
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ST-75
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±75
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0.013
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220
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800
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60
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135
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370
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185
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ST-100
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±100
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0.01
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280
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1000
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80
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170
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470
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215
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