Tel-Tru RTD Temperature Transmitter, Model TT211
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Model TT211 RTD Temperature Transmitter

Brand: Tel-Tru Manufacturing Co.
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The TT211 Series Analog 2-wire, or loop-powered, temperature transmitters offer the most effective price/performance ratio in the industry.

Factory calibrated for fixed range, they provide a 4-20 mA output linearized to temperature for Pt100. The wide temperature range makes the TT211 an excellent choice for temperature signal transmission.

Precision 20-turn potentiometers allow fine adjustment of ZERO and SPAN. TT211 transmitters are high quality, very accurate and feature completely linearized output to temperature.

They are DIN rail mounted conforming to DIN standard 46277 package which is very compact.
Features
  • High accuracy (±0.1%)
  • 2-wire loop-powered 4-20 mA output
  • Linearized output to temperature
  • Input RTD Pt100 with 3-wire compensation
  • Analog design, potentiometer adjustable
  • Factory calibrated fixed ranges
  • Metal housing
  • Fits standard connection heads

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Specifications

Brand

Accuracy

  • 0.1 % of Full Scale (Includes Effects of Linearity, Hysteresis & Repeatability)

Ambient Temperature Range

  • -40° to 80° C (-40° to 176° F)

Current

  • Excitation Current RTD: 0.8 mA

Enclosure, Body Material

  • Polyamide

Linearization

  • ± 0.01 % of Full Scale

Mounting

  • DIN Rail Mounting DIN 46277

Output

  • 4-20 mA Loop Powered, Linear to Temperature

Power Supply

  • 12-32 Vdc, Polarity Protected

Power Supply Effect

  • 0.02 %/V

Resistance

  • Sensor Lead Resistance: 500 ohms, Max.

Sensor Circuit

  • Open Circuit Detection (Over-Scale Limit): 27 mA
  • Open Circuit Detection (Under-Scale Limit): 2.2 mA

Sensor, Probe Connection

  • 3-Wire

Sensor, Probe Type

  • Pt100 RTD, α=0.00385, DIN EN 60751

Span & Zero Adjustments

  • ± 10 % for Zero & Span
  • 20-Turn Potentiometer

Stability

  • Long Term Drift: ± 0.05 % of Full Scale Per Year

Storage Temperature

  • -40° to 80° C (-40° to 176° F)

Temperature Range

  • Pt100: -50° to 800° C (-58° to 1,472° F)

Thermal Drift

  • Span & Zero Drift: ± 0.01 % of Full Scale/°C

Update Time

  • Warm-Up: 30 seconds

Voltage

  • Nominal Voltage: 24 Vdc

Documentation

Data Sheets

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