How to fix Measurement offset error on Hach Measuring Instruments?
If your Hach Measuring Instruments shows a Measurement offset error, ensure that the instrument light shield (cap) is correctly installed.
What to do if I get a Measurement battery error on Hach Measuring Instruments?
If you're getting a Measurement battery error on your Hach Measuring Instruments, the solution is to replace the instrument batteries.
What to do if Hach Measuring Instruments shows Measurement over-range error?
If your Hach Measuring Instruments displays a Measurement over-range error, first, make sure the instrument cap is properly installed. If the issue persists, contact the Hach Instrument Service Department.
General| Brand | Hach |
|---|---|
| Model | DR/820 |
| Category | Measuring Instruments |
| Language | English |
Explains hazard symbols like DANGER, CAUTION, and NOTE for safe operation.
Emphasizes paying attention to instrument labels for personal safety and preventing damage.
Provides a detailed description of the DR/800 Series Colorimeter's features and functions.
Instructions for safely removing and inspecting the instrument and its accessories from the shipping container.
Details the function and description of each key on the DR/800 Series Colorimeter keypad.
Explains the operation of the main display in function and numeric modes.
Describes the icons and elements displayed on the DR/800 Series Colorimeter's main screen.
Step-by-step guide for correctly installing AA alkaline batteries into the instrument.
Procedure for turning the DR/800 Series Colorimeter on and preparing it for use.
Guides on setting the instrument's date and time for accurate sample data logging.
Overview of the instrument's Setup and Recall menus for accessing various functions.
Outlines the general phases involved in performing a colorimetric analysis with the instrument.
Procedure for establishing a zero reference point for accurate colorimetric measurements.
Instructions on how to measure prepared samples using the colorimeter.
Information on storing and managing up to ten custom programs on the instrument.
Principles and requirements for creating accurate calibration curves for analysis.
Step-by-step instructions for entering new custom analysis programs into the instrument.
Instructions on how to access and view previously stored sample measurement data.
Procedure for clearing all stored data from the instrument's memory.
Basics of the optional adapter for transferring data via infrared to RS232.
Details on connecting the instrument to printers or computers using RS232.
Instructions for connecting the colorimeter to a personal computer using interface cables.
Methods for sending currently displayed, recalled, or all stored data.
Guidelines for cleaning the colorimeter enclosure, sample compartment, and cells.
Instructions for replacing components, particularly battery replacement.
Explanation of instrument error codes and their recommended corrective actions.
Procedure for dealing with sample concentrations that exceed programmed limits.
Information on the low battery warning and the importance of timely replacement.
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