K90100/K90190 Auto Melting Point Unit
Operation and Technical Manual
Page 19
Koehler Instrument Company, Inc.
1595 Sycamore Avenue • Bohemia, New York 11716-1796 • USA
Toll Free: 1-800-878-
9070 (US only) • Tel: +1 631 589 3800 • Fax: +1 631 589 3815
http://www.koehlerinstrument.com • e-mail: [email protected]
Petroleum Testing & Analysis Instrumentation • Custom Design & Manufacturing
The Display waits for Set temperature entry to be made. SET Temperature is the
samples expected melting temperature,
Use Numeric keys to enter Set Temperature value
betw
een a5 ~ 310°C & Press ENTER’.
If Entered Temperature is not within limits the Display message reads :
Re-enter the Correct Set temperature.
If Operation is entered as MANUAL ,then :
Enter the CUT-OFF Temperature limit of the
furnace . If the start and end temperature
of melting are not locked manually, the furnace will
be heated to until this CUT-OFF Temperature is
attained.
If the Furnace Temperature Cutoff Limit is less than SET Temp.+5°C or more than
325°C, then the instrument gives an error message as below,
where AB is set temperature value,
Re-Enter the Temperature.
The Furnace Temperature Cutoff Limit will be automatically calculated as Set Temp
+15 °C in AUTO Operation for Heating Rates ( 0.2 ,0.5 ,1.0 ,2.0 ,3.0 °C/MIN) ; Set Temp
+75 °C for 6°C/MIN; Set Temp +150 °C for 12°C/MIN. ( But default Max Cut-off limit is
325°C )
Press ‘SET RATE’ key to select the Heating Rate.
NOTE: If ‘Heat & Cool’ mode has been selected , Rates available will be 0.2, 0.5, 1.0,
2.0, 3.0 °C/MIN. Rate 6 and 12 °C/min are not available for this mode.
Invalid Entry
RANGE : 8 to 310
Furnace
Temperature
Cutoff Limit:_
Invalid Entry!….
Limits : AB + 5
-
325
°C
Rate
:
`SET RATE’ to select
Set Temp °C:_
Set Temp °C:_
