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SPECIFICATIONS

RTD Input

3-wire or 2-wire, 10 ohms to 2000
ohms

Input Range

select any range within RTD limit
[min span 25°F/14°C (100°F/55°C with
10 ohms RTD)]

Excitation Current

10 ohms 10 mA
100 ohms 5 mA
1000 ohms 0.5 mA
2000 ohms 0.2 mA

Output Range

Voltage

select any range from -10 V to +15 V,
10 mA max load (min span 0.2 V)

Current

select any range from 0 to 50 mA
max,
>24 V compliance (1200 ohms max at
20 mA)
18 V compliance for ISO option if
fullscale output >20 mA

Open Sensor Output

full scale

Accuracy

±0.1% of span

Linearity 

(Pt RTD, output vs temp)

±0.5% of span, (temp ³32°F/0°C)
±0.15% of span, (temp <32°F/0°C)
(others, output vs res)
±0.01% of span

Temperature Stability

±0.04% of span per °C

Common Mode Rejection

120 dB,DC to 60 Hz

Isolation (MM4001ISO)

Output/Input

>500 megohms

Breakdown Voltage

>1000 VAC rms

Output Ripple (peak-to-peak)

<0.1% of span

Breakdown, Pwr/Circuitry

>1500 VAC rms

Operating Temperature

14°F to 140°F / -10°C to 60°C

Temperature Stability

±0.02% of span or 0.025°C/°C,
whichever is greater

P o w e r

115 VAC ±10%, 50 or 60 Hz
(2.5 W max)
230 VAC ±10%, 50 or 60 Hz
(2.5 W max)
(DC Power Option)
24 VDC (limits 21 VDC to 32 VDC)
(2.5 W max)
Isolation, DC power supply to input
common: 10 megohms

Specifications are subject to change without notice.  © 2007  Wilkerson Instrument Co., Inc             DWG#W102234B  3/07

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