Catalog excerpts
DigiMelt — Digital melting point apparatus for students DigiMelt he■"•‘■ent (CoSi^START/STOP “**#» llorart SiP,'0_'°ur limes each! • Mercury free • Fast, safe, reliable measurements • Built-in digital thermometer • Microprocessor controlled ramps • Ramp rates from 0.5 to 20 °C/min • Easy to clean and maintain • Tube tapper packs samples • Safety certified DigiMelt is a modem, low cost, digital melting point apparatus designed specifically for the student lab. Students leam the visual detection capillary method of melting point determination without the frustration of trying to control the oven temperature. DigiMelt rapidly heats the oven to the programmed start temperature, then ramps at the specified rate. The student carefully observes the samples and records the melting points with a touch of a button. Digital Temperature Readout DigiMelt incorporates a platinum resistance temperature detector (RTD) instead of the usual mercury thermometer. This means better accuracy on the readings, and no more mercury cleanup from broken thermometers. The RTD is encased inside the oven block making it virtually unbreakable. Microprocessor Temperature Control Some student instruments use a large knob that simply throttles power to the oven without any sense of what the target temperature is. DigiMelt uses an RTD for feedback, so it “knows” the oven temperature. This means the students can enter a start temperature, a ramp rate, and a stop temperature and the microprocessor takes care of the rest. Furthermore, the microprocessor can deliver variable amounts of power to the oven, so it can quickly ramp to the starting temperature, then perform the ramp as slowly as 0.5 °C/min. SRS Stanford Research Systems phone: (408)744-9040 www.thinkSRS.com
Open the catalog to page 1Temperature Resolution Accuracy Reproducibility Oven Range Ramp rates Heat-up time (typ.) Thermometer Temperature control Safety shut-off Dimensions Capacity Fill height Sample packing General Power MPA160 MPA161 Environment Humidity Weight Dimensions High Quality Optics Rather than forcing the student to peer through a tiny lens with poor illumination, the DigiMelt uses a large magnifier that allows plenty of eye relief. The user can see all three capillaries easily at a comfortable distance from the instrument. White LEDs are used to provide high-contrast illumination. Tube Tapper For...
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