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Intempco Programmable RTD Temperature Transmitter, RT721

RT721 Programmable RTD Temperature Transmitter

Brand: Intempco Controls, Inc
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The RT721 is a low cost three-wire transmitter that converts a Pt100 ohm input to proportional voltage signal. 

The transmitter provides sensor excitation and includes linearization, lead wire compensation, and lead-break detection functions. 

Setup and calibration are made with a USB connection to your PC and Intempco’s configuration software. 

Advanced signal processing capabilities and variable range input make this instrument very suitable for the most demanding temperature measurement applications.
Features
  • Easy setup, digital calibration and fully field re-programmable via USB module and PC Windows based software
  • Factory calibrated or customer calibrated
  • 0-1 Vdc, 0-5 Vdc, 1-5 Vdc or 0-10 Vdc output
  • High accuracy and linearity Input 100 ohm Pt RTD (385 alpha) with 3-wire compensation
  • Low temperature drift and wide ambient temperature range
  • Metal housing mounts in DIN form B sensor heads

1 - 1 of 1 Part Numbers
RT721
RT721
  • Output - 0-1 Vdc
  • Temperature Range - °F Ranges
1 - 1 of 1 Part Numbers

Specifications

Brand

Accuracy

  • ± (0.05° C (0.09° F) + 0.05 % of Calibrated Span) or Better with Two-Point Calibration with Sensor
  • ± 0.10 % of Span (Includes the Effects of Linearization & Repeatability, But Not Include Sensor Error)

Adjustment Type

  • Factory Set (Pre-Set) or Customer Calibrated

Communication

  • USB

Current

  • Excitation Current RTD: 0.2 mA

Enclosure Finish

  • Enamel Painted

Enclosure, Body Material

  • Die Cast Zinc

Mounting

  • DIN Rail (DIN 46277)

Operating Temperature

  • -40° to 80° C (-40° to 176° F)

Output

  • 0-1 Vdc
  • 0-10 Vdc
  • 0-5 Vdc
  • 10 mA - Max.
  • 1-5 Vdc

Power Supply

  • 12-32 Vdc, Polarity Protected

Power Supply Effect

  • < 0.001 %/V

Resistance

  • Sensor Lead Resistance RTD: RTD Resistance + 2 times lead wire resistance must be less than 4 kiloohms

Resolution

  • Output Resolution: 0.16 mV (15-bit)

RFI/EMI Effect

  • 1 % or Less Typical

RTD Type

  • Pt100, 3-Wire, Alpha = 0.00385, DIN EN 60751

Sensor, Probe Connection

  • 3-Wire

Sensor, Probe Type

  • RTD

Span - Minimum

  • 50° C (122° F)

Span & Zero Adjustments

  • By Software

Stability

  • Long Term Drift: ≤ 0.1 % of Full Scale Per Year

Storage Temperature

  • -40° to 80° C (-40° to 176° F)

Temperature Effect

  • ± 0.002° C/°C

Temperature Range

  • Software Re-Scalable between -200° to 600° C (-328° to 1,112° F)

Update Time

  • Warmup: 30 seconds

Documentation

Data Sheets

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