The Isotech Model 915 Liquid Bath is suitable has a wide temperature range, using silicon oils and other suitable liquids. All components in contact with the liquid are of stainless steel, and are insulated with materials which are completely safe to use. The 915, used in conjunction with a chiller, utilizes the latest ozone friendly gases.
The temperature range of the standard 915 liquid calibration bath (915H) is 40°C to 300°C. When the 915 is used in conjunction with our external chiller, the low temperature limit can be extended to -65°C.
Liquids are circulated by a propeller, which mixes and forces the liquid through a specially designed orifice in the rear of the two parallel tubes. A variable speed motor optimizes the flow as the viscosity of the liquid changes. Below the orifice plate, liquid is circulated over a mineral-insulated heater and temperature sensors, which control the temperature of the bath. The liquid flows up the calibration tube and weirs over the tube into a collection tray, where it returns to the rear tube for recirculation. An angled side entry tube enables a refrigeration cooling probe to be inserted in the rear of the two parallel tubes.
The temperature controller has resolution from 0.01°C to 0.1°C, which auto-scales to suit the four digit display (all digits can be read with the Cal NotePad Software). The 915 is fitted with serial communications for interfacing with a PC as standard.
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