WILKERSON INSTRUMENT CO., INC.

SR2101 DC Input Isolated Field Rangeable
Two-Wire Transmitter

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SR2101

SR2101
DC Input
Isolated
Field Rangeable
Two-Wire Transmitter

$237.00

The following information must be entered to complete your order:
See "Specifications" below for Input range limits.

Input:
Zero Scale
Full Scale
Units

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Don't Forget Your Accessories
DMP2000 DIN-Rail Mounting Plate $13.00
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TSH-A6L NEMA-4 Aluminum Connection Head (SR, SF, TW3) $53.00
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XJAY Explosion Proof Housing $132.00
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DR1 DIN-Rail, 35mm Symmetrical, 39 inches (1 meter) $18.00
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Specifications
 
  • Features
  • Description
  • Specifications
  • Dimensions
  • Connections
  • Provides DC Output Proportional to a DC Voltage or Current Input
  • Fully Isolated Input/Output
  • Unlimited Choice of Input Ranges via Interchangeable Range Cards (Within specified range limits)
  • Reverse Polarity Protected
  • Test Points for Loop Current Monitoring without Breaking Loop Circuit
  • 50 mm Diameter Case - 33 mm Mounting Hole Spacing
  • NEMA-4 Connection Head and Explosion-Proof Housing Available
  • Low Cost
  • 5 Year Warranty

The SR2101 is a low-cost, reliable, DC input two-wire transmitter for field or panel   mounting in various industrial housings and enclosures. It provides a DC output current (4/20 mA) proportional to an DC voltage or current input.

The output is galvanically isolated from the input.

Test points located on the SR2101 front panel allow monitoring of loop current value, using a current meter, without breaking the loop.

A plug-in range card permits user ranging to the required voltage or current input range. The output ZERO and SPAN controls are accessible through the top of the case.

The SR2101 is enclosed in an extruded aluminum housing with an aluminum back. A DIN rail mounting clip is available.

TYPICAL APPLICATIONS
Remote data acquisition. Distance limited by wire resistance. Voltage to current conversion. Isolation between input and output. Elimination of ground loops.  Measurement of signals with high common mode voltages.

All Wilkerson products are designed with RFI filters and lightning protection to reduce susceptibility to electrical noise and damage by lightning.

INPUT RANGE
Voltage
any range between ±128V max
(min. full scale span 16 mV)

Current
(internal shunt) any range between ±0.1 A max
(min. full scale span 10 uA)

INPUT OFFSET
can cancel any offset from -100% to +100% of span

INPUT IMPEDANCE
Voltage In < 1 V: > 10 megohms
Voltage In > 1 V: > 1 megohm

Current In: range dependent
Current Input Input Shunt Value
0/1 mA - 100.0 Ohm
0/5 mA - 49.9 Ohm
4/20 mA - 61.9 Ohm
10/50 mA - 20.0 Ohm
1/100 mA - 20.0 Ohm

OUTPUT RANGE
4/20 mA
Current Limited = 28 mA

ISOLATION
Output / Input
1000 Volts RMS sinewave

MAX LOAD RESISTANCE
= [(V supply - 10)/20 mA] kilohms

RESPONSE TIME
(Range Dependent)
- Step Change
150 ms for 99% of final value

ACCURACY
±0.1% of span

LINEARITY
Better than ±0.05% of span

COMMON MODE REJECTION
120 dB, DC to 60 Hz

OPERATING TEMPERATURE
-13°F to 176°F/-25°C to 80°C

TEMPERATURE STABILITY
±0.015% of span per °C

POWER
10 to 36 VDC, Polarity-Protected

SUPPLY VOLTAGE EFFECT
0.02% of span max, 10 to 36 V

 

SR2000 Series Dimension Drawing

SR2000 Series Connections Drawing

Specifications    Manual

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