LABEC LHF-80 - Manual (Page 4)

POTASSIUM
CHLORIDE PHOSPORIC
POTASSIUM
HYPOCHLORITE SULPHURIC
POTASSIUM
HYPOCHLORITE SULPHUROUS
SODIUM CHLORIDE TARTARIC
SODIUM
HYPOCHLORITE
Operation
1.
Connect the water bath to an alternating current supply of voltage specified on the rating
plate.
2. Ensure the water level is above the elements. On boiling baths connect the constant level
device to a water supply and drain.
DANGER: THIS WATER BATH MUST NOT BE CONNECTED TO A DIRECT POWER SUPPLY
3.
Switch the MAINS on then Turn the simmerstat/thermostat or temperature controller up as
required and check the indicating lamp is illuminated.
4. An indicating lamp next to the simmerstat will illuminate when the heaters are operating.
5. Ensure the over heat cut off is set by pressing it in or the overtemperature alarm AL4 is set
above the desired operating temperature (depending on which is present)
Safety Cut/ Overtemperature
If the water bath is fitted with a manual reset button, be sure this is depressed before use. If the
water level is too low or runs out the switch will pop out and turn the heaters off until the reset is
depressed.
If the water bath is fitted with an inbuilt over heat safety thermostat. It must be set to slightly above
the desired setpoint temperature and will prevent overheating. It will maintain the Alarm Set Value.
Change the ALM4 value to slightly above the setpoint temperature as set out in the instruction
page. The Alarm will be activated if the bath exceeds the ALM4 value or if the sensor is broken or
damaged. To restart the bath to heat, acknowledge the alarm by pressing the page and scroll keys
simultaneously (left two keys on key pad).
Maintenance
The casing is finished with stainless steel and to maintain appearance should be wiped over with a
non abrasive cleanser.
The interior is also stainless steel and may also be cleaned with a solvent
Laboratory Equipment Pty Ltd Instruction Manual – Calibration Bottle Testing Bath Page 3