SPR1/SPR2

Hsiang Cheng Model SPR-1 / SPR-2

Resistance Transducer Series

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Hsiang Cheng SPR Series, Resistance Transducers

Product Parameters:
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Model Outputs
SPR – 1 Single Single output
SPR – 2 Dual Dual outputs / isolated each other ( 600V DC)
ResistanceRange Output Current Range : Output Voltage Range :
0 – 50
0 – 100
0 – 200
0 – 1K
0 – 2K
0 – 5K
0 – 10K
0 – 20Kohm
0 – 1
0 – 5
0 – 10
0 – 20
4 – 20
0 -50
10 -50mA
0 – 1
0 – 5
1 – 5
0 – 10
2 – 10V• Standard calibation 0 – 1mA vs required input range

•Option calibration under required input range

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Specifications :
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General Specifications
Accuracy ( 23±3°C ) 0.25% ro / 23°C +3°C
Configuration : Three wires
Output drive capability >10mA for voltage mode,>
10V for current mode

>
10kΩ for resistance mode

Dielectric strength 4KV AC rms 1 minute between input / output / power / case IEC688* Impulse Test : ANSI C37.90 / 1989, IEEE 587 / 1983, IEC 255-3 ( 1.2 * 50us), 3KA (8 * 20us)… current only

* Surge Test (ring wave) : IEEE 587 / 1983 (3KV – 0.5 us / 100 KHz), IEC255-3 (2.5KV – 0.25ms / 1MHz)

Output drive capability >10mA for voltage mode,>
10V for current mode

>
10kΩ for resistance mode

Response time & ripple < 400 ms from 0 to 99% RO at operatingRipple < 0.5% P-P RO
Output impedance > 30 Mega ohm
Stability
Temperature stabilityRTD … 0.012% of range / °C or 0.03°C / °C

T / C .. 0.012% of range / °C or 0.05°C / °C

Long term stability < 0.5% RO per year
Storage condition Temperature range -25 to 70°C, RH 20 to 95% non condensed
Operating condition Temperature range -5 to 60 °C, RH 20 to 99% non condensed
Power supply AC 115V + 20%, 50 – 70Hz,Option AC 230V, DC 12 / 24 / 48 / 125V
Power dissipation: < 3VA
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