Explanation Of Controls - Thermo Scientific Precision 280 Installation And Operation Manual

6.0 EXPLANATION OF
CONTROLS
6.01 Power Switch - The power switch is located
near the lower portion of the control panel
and provides power to the entire unit.
6.02 Control Panel - The Control Panel provides
a digital readout of temperature readings,
heater on indicator, and keys for user to
make their desired selections.
1. LED Display - Three digits are used to
display the actual, set, and calibrated values
for temperature.
1
2
3
4
5
2. Heater On Lamp - The "HEATER ON" lamp
is lit when power is applied to the heater.
3. Calibrate Key - This key puts the unit in
calibrate mode to match a traceable
thermometer to the actual temperature
display.
4. Temperature Selection Keys - These keys
are used to increase or decrease the setpoint
and/or calibrate temperature selections.
5. Enter Key - The enter key is used to store a
new setpoint or calibration value.
He a te r On
C a lib ra te
ENTER
On
Off
4
To Se t Te mp e r ature :
 
Pre ss or until d e s ire d te mp e ra ture is d isp la ye d .
Pre ss ENTER - Ne w Se t Point is a c ce p te d .
Disp la y will the n re turn to ac tua l te m p e r ature .
Should C a lib ra tion Be Re q uire d :
Plac e c e rtifie d / tra c e ab le the rmome te r into hold e r.
Allow to s ta b ilize .
Pre ss C a lib ra te b utton.


Pr e ss or to ma tc h r e a d out to the rmome te r.
Pre ss ENTER - ca lib ra tion is c om ple te .