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TT421 Temperature Transmitter

Brand: Smar International Corp

Features
  • Output Signal: HART Protocol, 2-Wire, 4-20 mA
  • Measurement Type:
    • Single Sensor: 2,3, or 4-Wire configurations.
    • Dual Sensor:
      • Differential
      • Average
      • Minimum
      • Maximum
  • Input Range: -200°C to +850°C, -328°F to +1562°F
  • Minimum Span: 5°C to 60°C, 41°F to 140°F
  • Digital Accuracy: ± 0.02 % basic accuracy
  • Control: PID Capability
  • Burnout: Upscale
  • Power Supply: 12 - 45 Vdc
  • Electrical Connection: Accommodates conductors up to 2.5 mm2 (12 AWG)
  • Isolation: 1500V
  • Mounting: DIN Form B Connection Head
  • Ambient Temperature: -40°C to +75°C (-40°F to +167°F)
  • Humidity Limits: 10 to 100% Relative Humidity

1 - 3 of 3 Part Numbers
TT421
TT421
SMAR TT421 Temperature Transmitter, HART/4-20 mA, Puck Style
TT421-BD-T4-E1-L3
TT421-BD-T4-E1-L3
SMAR TT421 HART Temperature Transmitter, Puck Style, Fail Safe Down, 3-Wire, Pt 100 RTD
TT421-BU-T4-E1-L3
TT421-BU-T4-E1-L3
SMAR TT421 Temperature Transmitter, HART/4-20 mA, Puck Style
    • HART/4-20mA Output
    • Puck Style, NAMUR Mount
    • Configurable for 2,3 or 4 wire
    • P.I.D. Capable

1 - 3 of 3 Part Numbers

Specifications

Accuracy

  • ± 0.02 % Basic Accuracy

Alarm

  • Dual, Trip Levels Adjustable over Entire Range. High or Low Action. Acknowledge, Messaging.
  • HART: in Case of Sensor or Circuit Failure, the Self Diagnostics Drives the Output to 3.6 to 21.0 mA, According to the User's Choice & NAMUR NE43 Specification.

Ambient Temperature Range

  • -40° to 75° C (-40° to 167° F)

Approvals & Certifications

  • EXAM
  • NEMKO ATEX

Burn-Out

  • Upscale

Calibration

  • With Applied Reference & without Reference

Communication

  • HART: 2-Wire, 4-20 mA According to NAMUR NE43 Specification, with Super-imposed Digital Communication.

Configuration

  • Complete Configuration is Possible Using PC Software Interface or Via Hand-Held

Diagnostics

  • Yes, Via Communication

Humidity

  • 10 to 100 % Relative Humidity

Input

  • mV Signals from Radiation Pyrometers, Load Cells, etc.
  • Ohm Signals from Position Indicators, etc
  • Thermocouples, RTD's & Differential RTD's

Input Power

  • HART: 12-45 Vdc.

Isolation

  • Factory Tested Isolation for 1500 V

Linearization

  • Linearization International Standards & Custom Calibration According to Callendar Van Dusen

Mounting

  • DIN Form B Connection Head

Output

  • 2-Wire 4-20 mA

PID Configuration

  • Control Block Via PID Function

Sensor, Probe Connection

  • 3-Wire

Sensor, Probe Type

  • RTD Pt100 - IEC
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