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OPTITEMP TT 51 C/R 2-wire Temperature, Resistance & Voltage Transmitter

Brand: Krohne

The TT 51 series is a universal, isolated, dual-input transmitter for temperature, resistance or voltage measurements of solids, fluids and gases in an industrial environment. 

The TT 51 series consists of 2 different versions. TT 51 C is primarily intended to be mounted in a DIN-B housing whereas TT 51 R is the rail-mount version. 

This transmitter family utilizes a modular design in hardware as well as in software to ensure the quality and reliability of the transmitter signal output. 

The transmitters are compatible with the HART® 6 protocol offering extended diagnostic information (device error, sensor and wiring conditions). 

Typical characteristics are the high accuracy, stability and reliability combined with a robust housing. 

The double inputs enable new safety features such as sensor backup and sensor drift monitoring.

Specifications

Brand

Accuracy

  • ± 0.03 % of Span - Resistance Analog & Voltage Analog Accuracy
  • ± 0.10° C (± 0.18° F) or ± 0.05 % of Span - RTD
  • ± 0.25° C (0.45° F) or ± 0.1 % of Span - Thermocouple E, J, K, N, T
  • ± 1.5° C (± 2.7° F) or ± 0.1 % of Span - RTD Cu10
  • ± 1° C (± 1.8° F) or ± 0.1 % of Span - Thermocouple B, C, D, R, S
  • ± 5 µA or ± 0.01 % of Measured Value - Voltage Digital Accuracy
  • 0 to 1000 Ω: ± 20 milliohms or ± 0.02 % of Measured Value - Resistance Digital Accuracy
  • 1000 to 4000 ohms: ± 0.025 % of Measured Value, Max.

Ambient Temperature Range

  • -20° to 70° C (-4° to 158° F) - Rail-Mount Transmitter
  • -40° to 85° C (-40° to 185° F) - In-Head Transmitter

Applications

  • Chemical Industry
  • Food & Beverage
  • Iron, Steel & Metal Industries
  • Oil & Gas Applications
  • Pharmaceutical
  • Power Industry
  • Pulp & Paper
  • Temperature, Resistance or Voltage Measurements of Solids, Liquids & Gases in Industrial Environment

Approvals & Certifications

  • Calibration
  • Shock Resistance According to IEC 60068-2-31, Test Ec
  • SIL 2

Approvals & Certifications

  • ATEX: II 3 G Ex NL IIC T4 to T6, II 1 G Ex ia IIC T4 to T6 (In-Head Transmitter), II 2(1) G Ex ia IIC T4 to T6 (Rail-Mount Transmitter)
  • CE
  • EMC Directive: 2004/108/EC, EN 61326-1: 2006, EN 61326-3-1: 2009
  • NAMUR NE 21, NE 43, NE 53, NE 89 & NE 107

Electrical Connectors

  • 16 AWG, (1.5 mm²) - Single/Stranded Wires

Enclosure, Body Material

  • ABS
  • Polycarbonate/ABS

Environmental Protection

  • Housing: IP20 - Rail-Mount Transmitter
  • Housing: IP65 - In-Head Transmitter
  • Terminals: IP00 - In-Head, Rail-Mount Transmitter

Humidity

  • 5 to 95 % Relative Humidity, Non-Condensing

Input

  • -10 to 1,000 mV

Input Impedance

  • > 10 megaohms

Input Power

  • ≤ 900 mW, Max.

Isolation

  • 1,500 Vac, 1 Minute

Operating Temperature

  • -20° to 70° C (-4° to 158° F) - Rail-Mount Transmitter
  • -40° to 85° C (-40° to 185° F) - In-Head Transmitter

Power Supply

  • 10-30 Vdc
  • 10-36 Vdc

Power Supply Effect

  • < ± 0.001 % of Span Per Volt - Supply Voltage Influence

Resistance

  • 0 to 4,000 ohms
  • 100 to 4,000 ohms - Potentiometer

RTD Type

  • Cu10
  • Ni100
  • Ni1000
  • Ni120
  • Potentiometer
  • Pt100

Sensor, Probe Connection

  • 2-Wire
  • 3-Wire
  • 4-Wire

Sensor, Probe Material

  • Copper
  • Nickel
  • Platinum

Sensor, Probe Type

  • B Thermocouple
  • C Thermocouple
  • E Thermocouple
  • J Thermocouple
  • K Thermocouple
  • L Thermocouple
  • N Thermocouple
  • RTD
  • R Thermocouple
  • S Thermocouple
  • T Thermocouple

Storage Temperature

  • -40° to 85° C (-40° to 185° F) - In-Head, Rail-Mount Transmitter

System Requirements

  • Windows® 2000/XP/Vista Operating System

Temperature Coefficient

  • Pt100: 3.85 x 10⁻³ K⁻¹

Temperature Effect

  • ± 0.005 % of Span Per °C or °F - Resistance, Voltage Temperature Influence

Temperature Range

  • -200° to 1,800° C (-328° to 3,272° F) - Thermocouples
  • -200° to 850° C (-328° to 1,562° F) - RTD

Update Time

  • 1,600 milliseconds Approximatelyimatly - Double Input
  • 800 milliseconds Approximatelyimatly - Single Input

Vibration

  • 10 G, 10 to 2000 Hz According to IEC 60068-2-6, Test Fc
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