VJT6 Single & Dual Output Thermocouple Converter

Brand: Yokogawa Electric Corporation

The VJT6 is a compact, plug-in type thermocouple converter that is connected to an IEC/JIS-standard thermocouple (TC), such as a Type K, T, E, J, R, S, B or N thermocouples to convert temperature signals into isolated DC current or DC voltage signals.

Specifications

Accuracy

  • ± 0.1 % of Span, ± 1° C (1.8° F) or ± 2° C (3.6° F)
  • ± 1° C (± 1.8° F) [(25° C ± 15° C) (77° F ± 27° F)] for K, T, E, J, B & N Thermocouples - Reference Junction Comensation
  • ± 2° C (± 3.6° F) [(25° C ± 15° C) (77° F ± 27° F)] for Typical R & S Thermocouples - Reference Junction Compensation

Approvals & Certifications

  • CE
  • EMC EN 61326

Burn-Out

  • Down
  • Off
  • Up

Consumption

  • 2.2 W at 110 Vdc - Power Consumption
  • 2.2 W at 24 Vdc - Power Consumption
  • 5.5 VA at 100 Vac - Power Consumption
  • 7.4 VA at 200 Vac - Power Consumption

Current

  • 1-24 mA DC - Span

Electrical Connectors

  • M3 Screw Terminal

Enclosure, Body Material

  • Modified Polyphenylene Oxide

Humidity

  • 5 to 90 % Relative Humidity, Non-Condensing - Operating Humidity Range

Insulation Resistance

  • 100 megaohms Min. at 500 Vdc between Input, Output-1, Output-2, Power Supply & Grounding Terminals Mutually

Measuring Range

  • -100 to 100 mV in Thermoelectromotive Force

Measuring Span

  • 3 mV or more

Mounting

  • Base Mounting (VJCE) - Dedicated VJ Mounting
  • DIN Rail
  • Wall Mounted

Operating Temperature

  • 0° to 50° C (32° to 122° F)

Operating Voltages

  • 12-36 V
  • 85-264 V

Output

  • 0 to 100 mVdc
  • 0 to 24 mA DC
  • -10-10 Vdc

Power Supply

  • 100-240 Vac/dc (-15 %, 10 %), 50/60 Hz - Supply Rated & Input Voltage Range
  • 15-30 Vdc (± 20 %) - Supply Rated & Input Voltage Range

Power Supply Effect

  • Up to ± 0.1 % of Span for the Regulation within Allowable Range of Each Supply Voltage Range - Effects of Power Line Regulation

Resistance

  • 1 Megaohm or more - Input Resistance
  • 10 kiloohms or more During Power Off - Input Resistance
  • 350 to 250,000 ohms - Allowable Load Resistance
  • 500 ohms, Max.
  • Up to ± 15 µV Per 100 ohms - Effects of Leadwire Resistance Variations

Response Time

  • 150 milliseconds, 63 % Response (10 to 90 %)

Sensor, Probe Type

  • B Thermocouple
  • E Thermocouple
  • J Thermocouple
  • K Thermocouple
  • N Thermocouple
  • R Thermocouple
  • S Thermocouple
  • T Thermocouple

Span & Zero Adjustments

  • -5 to 5 % - Zero Adjustment
  • 95 to 105 % - Span Adjustment

Supply Voltage

  • 1,000 Vac for One Minute between Output 1 & Output 2 Termianls - Withstanding Voltage
  • 10 mV-20 V - Span (DC)
  • 2,000 Vac for One Minute between Input, (Output 1, Output 2), Power Supply & Grounding Terminals Mutually - Withstanding Voltage
  • Within ± 15 Vdc - Allowable Input Voltage Level

Temperature Effect

  • Up to ± 0.15 % of Span for a Temperature Change of 10° C (18° F) - Effect of Ambient Temperature Variation

Temperature Range

  • -270° to 1,820° C (-454° to 3,308° F) - Measuring Range

Zero Offset

  • 0 to 200 % for Current Signal - Zero Elevation
  • -100 to 200 % for Voltage Signal - Zero Elevation
  • 3 times the Measuring Span or ± 25 mV, whichever is Smaller

Documentation

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