CH610-0020

Small Sample Pre-Heating Unit

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The CHF610-0020 Small Sample Pre-heater is a portable desktop instrument designed to preheat two small cylindrical canisters containing samples of a Plutonium Containing Material (PCM) to a temperature similar to that of the thermal block control temperature of a CHF600-0020 Transportable Small Sample Calorimeter.

When a sample is transferred from the pre-heater into the calorimeter it is nominally at the same temperature as the thermal block. The sample introduces less of a disturbance to the system equilibrium and the measurement time is shorter. This results in a faster sample throughput.

    Benefits

  • Stand alone operation
  • Shortens the measurement time of Small Sample Calorimeters ANTECH CHF600-0020 Transportable Small Sample Calorimeter
  • Two samples can be conditioned simultaneously in less than 30 minutes

    Features

  • Single box construction
  • Industry standard temperature controller
  • Two sample chambers
  • Heating and cooling elements included
  • No software required - push and go operation
  • Bench top operation

  • Description

    The pre-heater consists of a single aluminium sample block with two chambers, each of which is large enough to accept a sample canister measuring 40 mm (1.57 in) in diameter by 80 mm (3.15 in) high. Access is gained to the chambers by removing the plug units located on the top of the block. Electrical pad heaters are installed on two sides of the block and each end of the block is fitted with a Peltier cooler unit and fan. A platinum resistance thermometer is installed in the block to measure the temperature.

    A Peltier temperature controller is mounted inside the pre-heater case and is factory configured to ensure that both Peltier units provide continuous cooling to the aluminium block. A Eurotherm 3216 PID temperature  controller is connected to the heaters and to the platinum temperature sensor. A temperature set point can be entered into the panel on the front of block and maintains the constant temperature by applying power to the heater in response to the temperature set point.

  • Specifications
    Voltage
    220 - 240 VAC
    Frequency (Hz)
    50
    Power Requirement
    400 VA
    Enclosure IP rating
    20
    Equipment operating temperature range
    5 - 35°C *
    Humidity
    5 - 95% non-condensing
    Dimensions
    2740 mm x 4650 mm x 3800 mm
    (107.87 in x 183.07 in x 149.61 in)
    Weight
    17 kg (37.48 lb)
    Controllers
    Eurotherm 3216 PID Temperature Controller (heat)

    Thermotek Model TC -24-12 Thermolectric Cooler Temperature Controller
    Stability
    ± 0.1°C at constant ambient
    Control Response
    < 100 minutes to achieve stability of ± 0.1% for a change in set point ΔT = 2°C (typically 30 minutes)
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Founded in 1987, ANTECH is an independent provider of custom equipment, measurement services and technical expertise to the nuclear industry.

Our experience is a result of more than thirty years of academic research into nuclear measurement technologies and more than twenty years of continual product development. ANTECH radioactivity measurement instruments have applications in nuclear safeguards, nuclear waste assay and sentencing, and radiation detection. We have particular expertise in the development and supply of radiometric calorimeters for the measurement of plutonium, tritium and other heat producing radionuclides. Our broad international customer base includes government nuclear laboratories, power stations and nuclear industry side operators and contractors around the world.

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