Products > Calibration Baths for Temperature Laboratory > Ultra-Low Temperature Calibration Bath

Ultra-Low Temperature Calibration Bath

Model: GL-1080

Conventional -80°C constant temperature baths typically use high-purity alcohol as the medium. Further temperature reduction would significantly increase the kinematic viscosity of alcohol, leading to compromised temperature control stability. The MPtest low-temperature bath can achieve stable temperature control at -90°C even in ambient temperatures up to 30°C (requires switching from high-purity alcohol to industrial alcohol). As an ultra-low temperature metrological verification device for temperature laboratories, it features an aperture diameter of 138 mm (5.43 inches) and a bath depth of 480 mm (18.90 inches), with temperature stability reaching ±0.002°C per 10 minutes. Furthermore, MPtest incorporates unique jet-stream agitation technology with advanced cascade refrigeration technology, achieving both rapid cooling and low-noise operation.

  • Specifications

  • Operating Temperature Alcohol: -90 ℃ to 50 ℃ (-130°F to -112°F)
    Working Area Diameter 138mm (5.4"), Depth 480mm (18.9")
    Wetted Parts 304 stainless steel
    Liquid Volume Approximately 15 liters (3.96 gal)
    Stirring Method Jet stirring, three-speed adjustable
    Temperature Control Method Fully digital PID control
    Display Resolution 0.001 ℃
    Temperature Stability ±0.002 ℃ /10min at 0 ℃ (32°F)
    ±0.004 ℃ /10min at -80 ℃ (-112°F)
    Temperature Uniformity ±0.003 ℃ at 0 ℃ (32°F)
    ±0.01 ℃ at -80 ℃ (-112°F)
    Heating Time 120 minutes from -80°C(-112°F) to 25°C(77°F)
    Cooling Time 180 minutes from 25°C(77°F) to -80°C(-112°F)
    Operating Voltage 220VAC±10%, 60Hz (Customizable Technical Specifications)
    Rated Power Approximately 2300W
    Dimensions 485mm (19.1") x 435mm (17.1") x 1060mm (41.7")
    Net Weight Approximately 80 kg (176.4 lb)

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