Hach-Lange LT 200 Thermostat - Manual (Page 58)

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Section 4 Operation
4.1 Software Menu
SELECT BLOCK
LEFT/RIGHT
Select the heating block.
SELECT PROGRAM
100 ° Selection of 100 °C temperature program. Heats
cuvettes for 30, 60, or 120 minutes at 100 °C.
DIGESTION PERIOD?
120’/60’/30
Selection of temperature time.
100 °C: 100 °C 60’
OK
For example, the “100 °C, 60 minutes” setting is
needed to digest samples using the LCW 902
Crack Set. Start the program with
OK .
SELECT PROGRAM
COD
Selection of COD Temperature program. Heats
cuvettes for 2 hours at 148 °C. In the cooling
phase, 4 beeps indicates that the cuvettes have
cooled to 80 °C. Remove and carefully invert the
cuvettes several times, before allowing them to
cool further in a rack.
COD: 148 °C 120’
OK
Start the program with OK .
SELECT PROGRAM
40 ° Selection of 40 °C temperature program. Heats
cuvettes for 10 minutes at 40 °C.
40 °C: 40 °C 10’
OK
Start the program with OK .
SELECT PROGRAM
PRG1 Programming a user-specific temperature program
(
5.4 User programs auf Seite 65 ).