Hach-Lange LS 120 - Manual (Page 12)

English 12
Operation
Obey these safety precautions:
• Do not use damaged glassware or apparatus. Discard all damaged equipment and replace it.
• Make sure that the vials are filled up to maximal 3/4
Always do the steps that follow in the order shown:
1. Connect the plug-in power supply unit to a power socket.
2. Install the vials fully into the vibration unit (up to ground contact).
3. Set the power switch to on.
The shaking procedure starts. The timer will beep after two minutes and the procedure stops.
4. Remove the cuvettes.
5. Disconnect the plug-in power supply unit from the power socket.
The instrument can be used for shorter shaking times. Set the power switch to off any time to
interrupt the shaking procedure.
Maintenance
Clean the instrument
Keep the instrument clean to get continuous and accurate operation.
N O T I C E
Use only the power supply that is specified for this instrument.
N O T I C E
Do not grap on or in the vibration unit during the shaking procedure.
Do not install a vial during the shaking procedure.
Do not remove a vial during the shaking procedure.
Set the power switch to off and wait until the vibration unit and the fan to stop before any
activity.
D A N G E R
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal
protective equipment appropriate to the chemicals that are handled. Refer to the current
safety data sheets (MSDS/SDS) for safety protocols.
C A U T I O N
Multiple hazards. Only the manufacturer or an authorized representative must conduct all
service activities. Do not disassemble the instrument for maintenance. If the internal
components must be cleaned or repaired, contact the manufacturer.
C A U T I O N
Personal injury hazard. Broken glass can cause cuts. Use tools and personal protective
equipment to remove broken glass.