Heidolph MR Hei-End, Руководство по эксплуатации

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Operation
12
Operation
Place vessels
Caution:
Risk of breakage and spillage
If the vessels are not placed securely they may slip off and spill the
sample.
Prior to start heating and mixing ensure that all vessels are securely
placed.
Heating bath accessories for round fl asks and beakers as well as attachments for water,
gas and evaporating distributors are available.
➜ To place a number of vessels securely on plate use optional adaptors (see general
catalogue).
➜ Single vessels with fl at bottoms like beakers may be placed directly on hotplate.
A single fl ask should be arranged in the middle of the hotplate.
Several fl asks should be distributed equally on the plate.
Start mixing and heating
When using device inside conditioned cabinets, make reference to
ambient conditions as stipulated in chapter “Technical data”.
Set speed and start rotation
Warning:
Risk of poisoning!
Open vessels and too high speed may result in samples splashing.
Use vessels with narrow neck especially if sample is dangerous or
toxic.
Adjust speed step by step until you have reached the required rpm
settings.
Wear safety glasses and especially with dangerous and toxic
samples appropriate protective clothing.