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The Isotech Hydra range of calibration baths have proved very successful since their introduction in 2003. The Orion range has been introduced to fit alongside the Hydra models.

The Orion calibration baths offer deeper calibration volumes than the Isotech Hydra series with world class temperature stability. There is a high temperature model (30°C to 300°C) and a model with built in refrigeration (-40°C to 125°C).

These deep stirred liquid baths are suitable for the low uncertainty calibration of long thermometers including liquid in glass and extended length SPRTS.

The Orion unit has sufficient depth, 470mm (18.5”), to accommodate Isotech’s largest Water Triple Point Cells providing a cost effective sub mK calibration system. There are accessories to hold Mercury, Water, Gallium and Indium ITS-90 Fixed Point Cells.

Isotech baths have always been designed for thermometer calibration, setting the standard for immersion depth versus filling costs. As the Orion requires just 8.5L of fluid it offers significant cost savings, both initial and the ongoing running costs, when compared to other larger volume baths.

In operation the liquid level is within 10mm of the top lid allowing calibration of liquid in glass thermometers without the need for complicated accessories.

In addition to using a monocular to aid reading the scale I-Cal Easy automatic calibration software can capture images with low cost digital webcams.

The Isotech Orion range provides many features that laboratories need but which other manufacturers often cannot supply.

Model796L796M796H
Temp range-80°C – 125°C-40°C – 125°C30°C – 300°C
Volume150mm diameter, 470mm deep (8.5 litres)150mm diameter, 470mm deep (8.5 litres)150mm diameter, 470mm deep (8.5 litres)
Absolute Stability±0.006°C (methanol -80°C)±0.006°C (methanol -40°C)±0.006°C (c10 oil, 125°C)
Vertical Uniformity±0.005°C (methanol 0°C)±0.005°C (methanol 0°C)±0.007°C (c10 oil, 125°C)
Heating Time25°C to 125°C < 50 mins (c10 oil)25°C to 125°C < 50 mins (c10 oil)30°C to 300°C < 120 mins (vh oil)
Cooling Time0°C to -80°C < 240 mins (methanol)10°C to -40°C < 180 mins (methanol)
CommunicationsIncludes serial interface, PC Cable and softwareIncludes serial interface, PC Cable and softwareIncludes serial interface, PC Cable and software
Dimensions485mm wide, 525mm deep, 1150mm high485mm wide, 525mm deep, 1150mm high485mm wide, 525mm deep, 1150mm high
Weight78kg68kg48kg
SafetyCompliant to CE regulationsCompliant to CE regulationsCompliant to CE regulations
Power2.8kW 108-130 or 208-240V 50/60Hz1kW 108-130 or 208-240V 50/60Hz800W 108-130 or 208-240V 50/60Hz
How to order796L796M796H

Orion Model 796

-80°C to 300°C, 470mm Immersion.

The Isotech Hydra range of calibration baths have proved very successful since their introduction in 2003. These deep stirred liquid baths are suitable for the low uncertainty calibration of long thermometers including liquid in glass and extended length SPRTS.

  • Can accept large Water Triple Point Cells
  • Variable Cooling Power
  • Low Filling Cost
  • This field is for validation purposes and should be left unchanged.

Or call +44 01704 543830

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