Electro-Meters: Hsiang Cheng Model SPD, DC Isolating Transducer Series


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Hsiang Cheng Corp. ^® Model SPD-1, SPD-2 DC Isolating Industrial Transducer Series


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Hsiang Cheng SPD Series, DC Isolating Transducers

Product Parameters:

Input Ranges Voltage	Input Ranges Current	Output Range Voltage					Output Range Current
0~10 mV 0~20 mV 0~50 mV 0~100 mV 0~200 mV 0~500 mV 0~1 V 0~2 V 0~5 V 1~5 V 0~10 V 2~10 V	0~1 mA 0~2 mA 0~5 mA 1~5 mA 0~10 mA 2~10 mA 0~20 mA 4~20 mA 10~50 mA Specified	0~1 V 0~2 V 0~5 V 1~5 V 0~10 V 1~10 V					0~1 mA 0~2 mA 0~5 mA 1~5 mA 0~10 mA 0~20 mA 4~20 mA 0~50 mA 10~50 mA

Specifications :

General Specifications
Accuracy ( 23±3°C )	0.25% ro / 23°C +3°C
Dielectric strength	4KV AC rms 1 minute between input / output / power / case IEC688 Impulse Test : ANSI C37.90 / 1989, IEEE 587 / 1983, IEC255-3, 6KV (1.2 * 50 us), 3KA (8 * 20 us) ..... 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 operating Ripple < 0.5% P-P RO
Stability
Temperature stability < 0.015% per degree C, from 0 to 55°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	Power Supply : AC 115V + 20%, 50 - 70Hz Option AC 230V, DC 12 / 24 / 48 / 125V
Construction	Socket plug-in type with barrier terminals
Power dissipation:	< 3VA SPD-1 < 6VA SPD-2

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