WILKERSON INSTRUMENT CO., INC.

SC5010 Thermocouple/RTD Input
Two-Wire Transmitter With Local Display
and Keypad and Digital Linearization

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SC5010

SC5010
Thermocouple/RTD Input
Two-Wire Transmitter
With Local Display and Keypad,
Digital Linearization

$540.00

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  • Features
  • Description
  • Specifications
  • Dimensions
  • Connections
  • Provides DC Output Proportional to a Thermocouple or Platinum RTD Input
  • Linearized for J, K, R, S, T, E, and N Thermocouples or Platinum RTDs
  • 2, 3, or 4 Wire RTD Inputs
  • Full Galvanic Isolation
  • Microprocessor Based
  • Field Rangeable (SC5010)
  • Displays Temperature in Linear Mode (SC5010)
  • Displays Current Output in Nonlinear Mode (SC5010)
  • Test Points for Loop Current Monitoring without Breaking Loop Circuit
  • On-Board Configuration via Membrane Keyboard (SC5010)
  • Upscale or Downscale Burnout Indication
  • Intrinsically Safe Design
  • Permanent Warranty

The SC5000 series of products provide a DC output current 4/20 mADC proportional to a thermocouple or RTD, using microprocessor based, digital circuitry in a “hockey puck” case. The output can be linearized for both thermocouples and platinum RTDs, and the SC5010 LCD display indicates temperature in °C or °F when operated in the linearized mode, or output current when in the nonlinearized mode.The input and output are isolated. The user may select thermocouple types J, K, R, S, T, E, N or 100 ohm Pt RTDs as the input sensor. RTD connections for 2-wire, 3-wire and 4-wire sensors are provided. The transmitter compensates for the lead wire resistance in the 3-wire configuration and provides true measurement of the resistive element without lead wire error in the 4-wire configuration.

The SC5010 4½ digit display is an accurate temperature indicator that functions over the entire range of the selected sensor. Its display capability is independent of the selected temperature range for the 4 to 20 mADC output. Even if the output goes overrange, the display continues to accurately indicate the sensor temperature. Linearization is accomplished through a 256 point “look up table” program.

The SC5010 can be configured by the user through four different methods.
These are:

  1. On-board set-up via membrane keyboard and display in the linearized mode.
  2. On-board set-up via membrane keyboard, display and temperature tables in the nonlinearized mode.
  3. Set-up via membrane keyboard using a calibrator.

INPUT
Thermocouple
Types J, K, R, S, T, E, & N
Spans 5 mV minimum to maximum usable range

Linearization
Maximum Linearized Range
      J -210 °C to +760 °C
      K-250 °C to+1372 °C
      R -50 °C to+1768 °C
      S -50 °C to+1768 °C
      T -270 °C to +400 °C
      E-260 °C to+1000 °C
      N-250 °C to+1300 °C

Reference Junction Compensation Accuracy
±0.25 °C

Impedance
>1 megohm

Span Adjustment
Continuous from 6.25% to 100% of T/C range
(5 mV minimum span)

RTD
100 Ohm Platinum, 0.00385 and 0.00392 alpha,
2, 3, or 4 wire connection

Maximum Usable Range
-200 °C to +850 °C

Minimum Usage Range
45 °C

Zero Adjustment
Continuous from 0% to 90% of temperature sensor range

OUTPUT
Range 4/20 mADC

Modes (User Configured)
Normal / Reverse acting
Linear / Non-linear

Burnout Indication
(User Configured)
Upscale / Downscale

Linearity
±0.25 °C of NIST Tables

Accuracy
±0.05% of span

Repeatability
±0.01% of span

Input to Output Linearity
±0.01% of span

Response Time
<1 sec.

Ripple
(Peak-to-Peak)
<0.1% of full scale

Power Supply Effect
<0.001% of span / Volt

Ambient Temperature Effect
±0.005% of span / °C

Long Term Stability
±0.0005% of span / 6 months

ISOLATION
Output / Input > 500 megohms
Breakdown, Output / Input > 1000 Volts RMS sinewave
Resistance > 500 megohms

COMMON MODE REJECTION
120 dB, DC to 60 Hz

DISPLAY (SC5010)
Digit Size 0.35 inches high, 4½ digits
Update Rate 3 / second

OPERATING TEMPERATURE
-40 °F to +176 °F / -40 °C to +80 °C

RFI IMMUNITY
Filtering and shielding to reject RFI interference

POWER
10-36 VDC, Polarity-Protected
(current limited to 30 mA max.)

SC5010 Dimension Drawing

SC5000 / 5010 Wiring Guide

Specifications    Manual

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