2
7” Square Hotplate
1. Safety Instructions
Warning!
•
Read the operating instructions carefully
before use.
•
Ensure that only trained staff works with the
instrument.
Risk of burn!
•
Caution when touch the housing parts and
the hotplate which can reach temperature of
550°C.
•
Pay attention to the residual heat after
switching off.
Protective ground contact
！
•
Make sure that socket must be grounded
(protective ground contact) before use.
• When working wear personal safety guards to avoid the
risk from:
- Release of toxic or combustible gases
• Set up the instrument in a spacious are on a stable, clean,
non-slip, dry and fireproof surface. Do not operate the
instrument in explosive atmospheres, with hazardous
substances or under water.
• Temperature must always be set to at least 50
℃
lower
than the fire point of the media used.
• Be aware of hazards due to unsafe container.
• Process pathogenic materials only in closed vessels.
• Check the instrument and accessories prior to each use.
Do not use damaged components. Safe operation is only
guaranteed with the accessories described in the
“Accessories” chapter. Accessories must be securely
attached to the device and can not come off by themselves.
Always disconnect the plug before fitting accessories.
• When the external temperature sensor needed, the tip of
the measuring sensor must be at least 5-10mm from vessel
bottom and wall.
• The instrument can only be disconnected from the main
power supply by pulling out the main or the connector plug.
• The voltage stated on the label must correspond to the
main power supply.
• Ensure that the main power supply cable does not touch
the hotplate. Do not cover the device.
• Forbid to put pressure and over heat media on the surface
of glass ceramic, that can be caused surface broken.
• The instrument may only be opened by experts.
