Table of Contents
Advertisement
18
G. Setting the target (desired) bath temperature
Incorrect settings
High-temp adjustments
Low-temp adjustments
The setting of a new desired temperature for the bath is accomplished by
depressing the yellow SET TEMP key. The display will be changed to
the following:
With the cursor (dark underline character) in the first position, the user
has the option of setting a negative temperature by depressing the combi-
nation -/. key. If any numerical key is depressed in this first position, the
temperature is assumed to be positive. After this first character entry,
there are only two restrictions which apply prior to depression of the
ENTER key and they are:
1. A decimal point MAY be included as an entry. It should be preceded
by at least one number or a "0".
2. The entered temperature must be within the operational temperature
range of the bath.
If a temperature is entered which is outside of the operational tempera-
ture range of the TE-3000, the following display will be shown on the
LCD and the ENTER key will flash.
If the bath was previously operating at a temperature below +20° Celsius
and a new temperature is entered which is above +20° Celsius, the
operator will be instructed to remove one of the air circulation tubes on
the rear of the instrument. By disconnecting the air input hose on the rear
of the Control Chassis, the alcohol vapors cannot condense inside the air
return hose and subsequently impede the air circulation/stirring of the
bath. For this condition, the display issued to the LCD will be:
If the bath was previously operating at a temperature above +20° Celsius
and a new temperature is entered which is below +20° Celsius, the
operator will be instructed to replace one of the air circulation tubes on
the rear of the instrument. By reconnecting the air input hose on the rear
CANNON
®
TE-3000 Thermoelectric Constant Temperature Bath
Version 1.1c — May, 2005; CANNON
2139 High Tech Road • State College, PA 16803 • USA
Enter Target Bath
Temperature:
+_____ °C
SET TEMP to Cancel
*** RANGE ERROR! ***
Range is -43 to 33° C
or -45 to 91° F
ENTER to continue...
DISCONNECT AIR INPUT
HOSE ON BOTTOM OF
CONTROL CHASSIS.
ENTER to continue...
®
Instrument Company
Advertisement
Table of Contents
