beautypg.com

5 alarm functions, 6 temperature setpoint, 7 optional cooling coil operation – Eppendorf C-76 Classic Water Bath Shaker User Manual

Page 26: 8 total running time

background image

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

.