Hach-Lange DRB 200 Thermostat - Manual (Page 18)

18
Instrument Use
Table 3 Stored Programs
Program Description
COD Program
Heats vials for 2 hours at 150 °C. In the cooling phase, 4 beeps
indicates that the vials have cooled to 120 °C. Remove and
carefully invert the vials several times, before allowing them to
cool further in a rack.
TOC Program
Heats the vials for 2 hours at 105 °C. This setting is suitable for
all Hach TOC vial tests.
100 °C Program
Heats vials for 30, 60, or 120 minutes at 100 °C. For example,
the “100 °C, 60 minutes” setting is needed to digest samples
using the Methods Prep Set.
105 °C Program
Heats vials for 30, 60, or 120 minutes at 105 °C.
150 °C Program
Heats vials for 30, 60, or 120 minutes at 150 °C.
Select program
COD
TOC
COD: 150°C 120’
OK
Select program
COD
TOC
TOC: 105°C 120’
OK
Select program
100°
105°
Digestion period
100°C: 100°C 60’
OK
120’ 60’ 0’ 3
Select program
100°
105°
Digestion period
105°C: 105°C 60’
OK
120’ 60’ 0’ 3
Select program
150° 165°
Digestion period
150°C: 150°C 60’
OK
120’ 60’ 0’ 3