Thermocouple Attachment Units (TAU)

Cooperheat’s Automatic Thermocouple Attachment Unit (TAU) enables direct attachment of thermocouples to a workpiece using the capacitive discharge method. This technique was pioneered by Cooperheat and has since become a recognised global standard.
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Thermocouple Attachment Unit TAU by Cooperheat

DESCRIPTION

Cooperheat’s Automatic Thermocouple Attachment Unit (TAU) enables direct attachment of thermocouples to a work piece using the capacitive discharge method. This technique was pioneered by Cooperheat and has since become a recognised global standard. By reducing the risk of expensive rework, due to thermocouples breaking off during the heat treatment process, this innovation provides a high integrity welded connection which provides reliable and accurate temperature control and recording.

The Cooperheat TAU has a unique automatic operation feature overcoming difficulties associated with manual attachment units which require both hands to operate. Cooperheat’s TAU requires only one hand to operate which is an important safety feature when working at elevated levels or inaccessible locations.

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Specifications

Recharge input voltage:Power, kVACurrent, AVoltage, V
110V a.c.52.750 / 60 / 83
230V a.c.52.750 / 60 / 83

Transformer core

  • Three phase, forced air cooled, class H, 50kVA
  • Primary winding connected in Delta
  • Secondary winding connected in Star
  • Auxiliary winding: 110V a.c. 3.3kVA single phase

Primary supply

  • Primary voltage: 380V, 415V, 440V
  • Primary current: 76A, 70A, 66A
  • Frequency: 50/60 Hz

Protection

  • Three phase 80A circuit breaker with shunt trip
  • Three primary core winding over temperature thermostats linked to circuit breaker shunt trip

Secondary outputs

  • Output: 32.5V – 0V – 32.5V (for 30V and 60V heating element operation)
  • Auxiliary outputs: Two 110V, 10A, 50/60Hz output sockets
  • Number of temperature controlled output channels: 6 channels
  • Maximum load per output channel: 8.1kW (e.g. three 60V, 2.7kW heating elements)
  • Maximum current per output channel: 135A

Switching

  • Six double pole, 180A, contractors with 110V a.c. coil

Temperature control

  • Temperature measurement, display and control
  • Degrees Fahrenheit or Degrees Centigrade
  • Start temperature
  • Temperature ramp up and down in degrees per hour
  • Hold/soak temperature set point and hold/soak time period setting

Temperature recording

  • Ambient temperature: Minus 0˚C to 50˚C
  • Humidity: 20% to 80% RH, non-condensing is required (temperature x humidity < 3200)
  • Environmental protection: IEC IPSO (front door of panel mounted unit)
  • Input points: 12 Points
  • Input thermocouple types: Thermocouple inputs- K,
  • Reference range: Type K: -200˚C to 1370˚C (-326˚F to 249˚F)
  • Printing system: Ink jet system, 6 colour
  • Chart Width: 180mm
  • Chart Length: Z fold 20m
  • Chart Speed: 5 to 300mm per hour

Construction

  • Case: 304 Stainless Steel case fitted with four 150mm nylon wheels

Dimensions

  • Weight: 355kg
  • Case Dimensions:
    Height: 1545mm
    Width: 680mm
    Depth: 665mm

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