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RT820D Programmable RTD Temperature Transmitter

Brand: Intempco Controls, Inc

The RT820D Series loop-powered RTD temperature transmitters are Micro-processor based and are designed for highest accuracy, highest stability and highest resolution. 

Based on Intempco’s patented MIST technology, they offer the highest performance for the most demanding temperature measurement applications. 

The advanced programming, via the MIST PKIT, allows for one or two point calibration, re-scaling, filtering, and tagging. 

MIST820D units are DIN rail-mounted conforming to DIN standard 46277 package which is very compact.
Features
  • Micro-processor based design
  • Fully field re-programmable with module and PC based software
  • Input RTD Pt100 with 3-wire compensation
  • 2-wire loop-powered 4-20 mA output
  • Factory calibrated or customer calibrated

1 - 1 of 1 Part Numbers
RT820D
RT820D
  • Temperature Range - -50° to 50° C (-58° to 122° F)
1 - 1 of 1 Part Numbers

Specifications

Accuracy

  • ± (0.05° C (0.09° F) + 0.05 % of Calibrated Span) with Two-Point Calibration
  • ± (0.10° C (0.18° F) + 0.10 % of Span) with One-Point Calibration

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable (Customer Calibrated)

Current

  • Excitation Current RTD: 0.2 mA

Enclosure, Body Material

  • Polyamide

Mounting

  • DIN Rail (DIN 46277)

Operating Temperature

  • -40° to 80° C (-40° to 176° F)

Output

  • 4-20 mA, 2-Wire Loop Powered, Linear to Temperature

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 6,000 ohms

Resolution

  • 0.0005 mA (15-bits)

RFI/EMI Effect

  • 1 % of Span or Less

RTD Type

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

Sensor Circuit

  • Open Circuit Detection: Downscale 2.5 mA
  • Open Circuit Detection: Upscale 24 mA

Sensor, Probe Connection

  • 2-Wire
  • 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

  • -50° to 600° C (-58° to 1,112° F)

Update Time

  • Warmup: 30 seconds

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