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Sara CummingsAug 4, 2025
What to do if I get a battery error on my Hach LANGE DR 900 Measuring Instruments?
- HHeather MillerAug 4, 2025
If you are getting a battery error on your Hach Measuring Instruments, replace the batteries.
What to do if I get a battery error on my Hach LANGE DR 900 Measuring Instruments?
If you are getting a battery error on your Hach Measuring Instruments, replace the batteries.
What to do if I get an over range error on my Hach LANGE DR 900?
If you receive an over range error during a measurement with your Hach Measuring Instruments, it could indicate a light blockage or that the concentration is too high for the program. First, check for any light path blockages and ensure the concentration is within the appropriate range. Also, verify that the instrument cap is correctly installed. If the issue persists, contact technical support.
How to fix a low light error on Hach LANGE DR 900 Measuring Instruments?
If you encounter a low light error during a measurement with your Hach Measuring Instruments, ensure there is no blockage in the light path. Also, check if the zero is out of the instrument range. If the problem persists, contact technical support.
General| Wavelength Accuracy | ±1 nm |
|---|---|
| Spectral Bandwidth | 5 nm |
| Photometric Accuracy | ± 0.005 Abs at 1.0 Abs |
| Resolution | 0.001 Abs |
| Detector | Silicon Photodiode |
| Operating Temperature | 0 to 50 °C |
| Storage Temperature | -20 to 60 °C |
| Weight | 1.2 kg |
| IP Rating | IP67 |
| Photometric Linearity | ±0.005 Abs |
| Display | LCD |
| Connectivity | USB |
| Power Supply | Rechargeable battery |
| Type | Portable Colorimeter |
| Light Source | Tungsten lamp |
Information regarding manufacturer liability, changes to the manual, and availability of revised editions.
Manufacturer disclaimer for damages due to misapplication; user is responsible for critical application risks.
Explains hazard symbols (DANGER, WARNING, CAUTION, NOTICE) and precautionary labels.
Details compliance with Canadian and FCC regulations.
Introduction to the DR 900 as a portable LED-sourced colorimeter for water analysis.
Lists and refers to Figure 2 for identification of all instrument components.
Critical warnings regarding explosion and fire hazards during battery installation.
Step-by-step instructions for correctly installing four AA alkaline batteries.
States that only qualified personnel should perform installation tasks described in the document.
Instructions for installing sample cells and adapters for repeatable and precise measurements.
Detailed explanation of the purpose and function of each button on the instrument's keypad.
Description of the information presented on the instrument's main reading screen.
How to power the DR 900 instrument on or off using the POWER key.
Procedures for setting the instrument's display language and configuring date and time.
Guide on using UP, DOWN, RIGHT, LEFT keys to navigate menus and enter data.
Description of available programs: stored, user-created, and favorites for quick access.
Steps to select a stored program, start it, and add it to favorites.
How to access and configure additional parameter options for selected programs.
Details advanced options like Auto Save, Chemical Form, Reagent Blank, Standard Adjust, and Sort Program.
How to use operator and sample IDs to tag readings for better data management.
Step-by-step guide on how to perform a basic measurement using the instrument.
Instructions for selecting, adding, and creating user programs and favorites for efficient use.
How to access and view saved readings in the instrument's data log.
Procedures for editing existing user programs and deleting unused programs from the instrument.
Accessing instrument details and setting up password protection for restricted menus.
Adjusting display contrast, auto-shutoff, backlight, and sound feedback for user preference.
Firmware updates, program management (export/import user & factory programs) via USB connection.
Instructions and safety precautions for cleaning sample cells and the instrument exterior.
Safety warnings and procedures for replacing the instrument batteries.
Addresses common error codes (1-8), their causes, and specific solutions for instrument issues.
Lists approved replacement parts with item numbers for the DR 900 instrument.
Lists optional accessories for the DR 900 instrument along with their respective item numbers.
