Manual

26
M1248-0051

C-76 Classic Water Bath Shaker Operating manual
6.5 Alarm Functions
The shaker has a visible alarm (flashing TIME INDICATOR) that is activated (a) at the end
of a timed run, or (b) if the temperature is 1ºC or more from the setpoint, or if the speed is
5 RPM or more from the setpoint.
It may be deactivated in the following way:
1. Press the SELECT KEY until the HRS INDICATOR is illuminated.
2. Simultaneously press the σ and
τ
KEYS. The SET and MAINT INDICATORS will flash.
3. While the SET and MAINT INDICATORS are flashing, press the START/STOP KEY. The
MUTE INDICATOR will light to advise that the audible alarm has been deactivated.
To reactivate the alarm, repeat steps 1-3. The MUTE INDICATOR will be extinguished
when the alarm has been reactivated.
6.6 Temperature Setpoint
Press the SELECT KEY until the function
°
C INDICATOR illuminates. The temperature can
be set from 7°C above the current ambient temperature to a maximum of 80.0°C.
Increasing or decreasing the setpoint is accomplished with the σ or
τ
KEY.
During operation, if the temperature of the chamber is more than 1.0°C higher or lower
than the temperature setpoint, a visual alarm is triggered. This alarm consists of a
flashing
°
C INDICATOR. The alarm will automatically deactivate as the unit achieves the
setpoint.
6.7 Optional Cooling Coil Operation
To operate the cooling coil (if it is present), turn on the cooling coil coolant supply. Set
the bath control at the desired temperature (below ambient). The bath heater will
maintain accurate temperature control within 7°C above the coolant temperature.
6.8 Total Running Time
The control modules of the C-76 Shaker totalize the time the shaker has been
ON to track
hours of usage. To display the accumulated running time:
1. Press SELECT until the HRS INDICATOR is illuminated.
2. Simultaneously press the σ and τ KEYS.