Hach DR 1900 Basic User Manual

Also see for DR 1900: User instructions Basic user manual

• Set the display language when the instrument is set to on for the first time.• Set the language from the SETTINGS menu.1. Push SETTINGS>Setup>Language.2. Select a language from the list.Set the date and timeThere are two options to set the date and time:• Set the date and time when the instrument is set to on for the first time.• Set the date and time from the Date & Time menu.1. Push SETTINGS>Setup>Date & Time.2. Select Set Date & Time Format, then select a format for the date and time.3. Select Set Date & Time.4. Use the navigation keys to enter the current date and time, then push OK.Standard operationLiquid ingress precautionsN O T I C EDamage to the internal instrument components will occur if moisture gets into the instrument through the cellcompartment. The instrument enclosure rating (IP67) is only applicable when the sample cell cover is closed.Make sure to obey the precautions that follow to prevent damage to the instrument.• Make sure that the sample and reagents do not spill into the cell compartment.• Keep the sample cell cover closed when not in use.• Only put the sample cells into the cell compartment after the sample cells are wiped dry. Do notadd sample or reagents to the sample cell when the sample cell is in the cell compartment.• Do not operate the instrument in condensing humidity conditions.Program listThe instrument is delivered with a complete series of application programs. Refer to Table 2 for theprogram descriptions.Table 2 Program optionsProgram option DescriptionStored Programs/Methods andLCK or TNTplus Methods5Stored programs and LCK or TNTplus methods are pre-programmedmethods. Refer to Select a stored program or LCK or TNTplus methodon page 12.User Programs Methods can be developed and can be saved as a user program. Existingstored methods can be stored and modified as user programs to suit differentrequirements.Favorites Methods which are often used can be saved in the favorite list.Single Wavelength The single wavelength readings are taken at a specified wavelength.5 TNTplus vials are not available for the EU market.English 11