Hach-Lange DR1900 Basic User Manual - Manual (Page 14)

1. Push Options>Sample ID in the reading screen.
2. Select, create or delete a sample ID:
Option Description
Current ID Select an ID from a list. The current ID will be associated with the sample data until a
different ID is selected.
Create New Sample
ID Enter a name for a new sample ID. A maximum of 100 names can be entered. The
samples are numbered in sequence for each measurement until a different ID is
selected, e.g., Pond (001), Pond (002).
Delete Sample ID Erase an existing sample ID.
Use an operator ID
The operator ID tag associates readings with an individual operator. All stored data will include this
ID.
1. Push Options>Operator ID in the reading screen.
2. Select, create or delete an operator ID:
Option Description
Current ID Select an ID from a list. The current ID will be associated with the sample data
until a different ID is selected.
Create New Operator ID Enter a name for a new operator ID. A maximum of 50 names can be entered.
Delete Operator ID Erase an existing operator ID.
Maintenance
W A R N I N G
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
Clean the instrument
Clean the exterior of the instrument with a moist cloth and a mild soap solution and then wipe the
instrument dry.
Clean the cell compartment
N O T I C E
Make sure there is no sample cell or cell adapter in the cell compartment before this task is started.
Turn the instrument and use a rubber suction bulb to blow carefully air into the cell compartment.
Clean the sample cells
C A U T I O N
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
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