Hach DR300 - User Manual

Other manuals for Hach DR300

Service Manual86 pages

Questions and Answers

M
Michael IrwinAug 20, 2025
Why does Hach Measuring Instruments show error E-01?
- J
  Joseph EverettAug 20, 2025
  Error E-01 on Hach Measuring Instruments indicates that the system detects too much ambient light. Ensure the instrument cap is fully installed over the cell holder. You can also check the service log for other error messages, inspect the cell compartment for ambient light sources, check the instrument cap for defects, and verify the light detection system is working. If needed, replace the cell compartment or detector.
M
Michelle PowellAug 22, 2025
What to do if Hach DR300 show error E-02?
- S
  Shelley LongAug 22, 2025
  If your Hach Measuring Instruments display error E-02, it means the LED light source control on the mainboard is out of regulation. Try replacing the batteries. Also, make sure the LED in the cell holder comes on when 'read' or 'zero' is pushed. Check the service log for other error messages and inspect the LED for damage. Furthermore, check the pin contact of the LED to the mainboard.
F
frossAug 25, 2025
What to do if Hach DR300 show error E-20?
- A
  Alison ThompsonAug 25, 2025
  If your Hach Measuring Instruments display error E-20, this indicates too much signal on the light detector. Ensure the instrument cap is fully installed on the cell holder. Additionally, check the absorbance reading in 'service mode' and the absorbance values for service test kit vials. Also, check the optical aperture in front of the LED is still in place. If necessary, replace the optical aperture, optical filter, LED, or detector.
K
Kelly HorneAug 26, 2025
What to do if Hach DR300 Measuring Instruments show error E-12?
- K
  karamartinezAug 27, 2025
  If your Hach Measuring Instruments display error E-12, it means the battery power is too low. Replace the batteries. Also, check the battery power and ensure the battery contacts have appropriate contact with the mainboard. You may need to replace the battery contacts.
K
Kayla CohenAug 27, 2025
What to do if Hach DR300 Measuring Instruments show error E-15?
- J
  James McculloughAug 28, 2025
  If your Hach Measuring Instruments display error E-15, it means the absorbance was read > 3.5 Abs. Check for any light blockage in the cell holder and clean the cell holder. If needed, dilute the sample. You can also check the absorbance reading in 'service mode' and the absorbance values for service test kit vials. Consider replacing the detector, LED, or optical filter.
E
Erik HayesAug 29, 2025
What to do if Hach DR300 Measuring Instruments show error E-21?
- E
  Elizabeth GreenAug 30, 2025
  If your Hach Measuring Instruments display error E-21, it indicates an unstable signal on the light detector. Make sure that the instrument cap is fully installed on the cell holder. Check the absorbance reading in 'service mode'. Perform a test measurement with any vial. If the issue persists, consider replacing the detector or LED.
S
Steven MorenoAug 31, 2025
What to do if Hach DR300 show error E-04?
- K
  Kenneth SchroederAug 31, 2025
  If Hach Measuring Instruments show error E-04, and the reading is less than the instrument range, make sure that the instrument cap is fully installed over the cell holder and measure a blank. Also, check user calibration settings. You might want to check the absorbance reading in 'service mode' and check absorbance values for service test kit vials.
A
Andrea SimmonsSep 2, 2025
What to do if Hach DR300 show error E-00?
- B
  Brian MaddenSep 2, 2025
  To resolve error E-00 on Hach Measuring Instruments, measure a blank solution to set the instrument to zero. Also, check user settings and reset the mainboard to factory settings.
S
simonaprilSep 4, 2025
Why does Hach DR300 show error E-03?
- W
  wolsonSep 4, 2025
  Error E-03 on Hach Measuring Instruments is due to a configuration or setting error. Prepare a fresh standard. Alternatively, reset the mainboard to factory settings.
R
Raymond BrownSep 6, 2025
What to do if Hach Measuring Instruments show error E-06?
- T
  Timothy BoltonSep 6, 2025
  If your Hach Measuring Instruments display error E-06, it is due to a configuration or setting error. Enter or measure the absorbance value again. You can also try resetting the mainboard to factory settings.

Summary

Instrument Specifications

Install the Batteries

User Interface and Navigation

Keypad Description

Describes the function of each key on the instrument's keypad.

Display and Time Settings

Explains display elements and how to set the instrument's time.

Performing a Test

Download a Test Procedure

Instructions on how to obtain specific test methods from the manufacturer's website.

Calibration

Standard Calibration Adjust

Adjusts factory calibration using a standard solution for regulatory compliance.

Perform Standard Calibration Adjust

Guides through adjusting calibration with a known standard solution.

Disable Standard Calibration Adjust

Resets calibration to factory defaults, disabling user adjustments.

User-Entered Calibration Curve

Explains how to create a custom calibration curve.

Enter Calibration Curve with Standards

Details entering calibration standards and measuring absorbance values.

Enter Calibration Curve with Keypad

Describes inputting calibration data directly via the instrument's keypad.

Maintenance

Clean the Instrument

Instructions for cleaning the external surfaces of the instrument.

Clean the Sample Cells

Procedures for cleaning the sample cells according to safety guidelines.

Replace the Batteries

Guidance on replacing the instrument's batteries when power is low.

Troubleshooting

Replacement Parts and Accessories

Hach DR300 Specifications

General

Type	Portable Spectrophotometer
Operating Temperature	0 to 50 °C
Method	Pre-programmed methods
Light Source	LED
Wavelength Accuracy	±2 nm
Resolution	0.001 Abs
Display	LCD
Measurement Method	Absorbance
Parameter	Various
Photometric Range	0 to 2.5 A
Dimensions	230 x 93 x 280 mm (9.1 x 3.7 x 11.0 in)
Photometric Accuracy	±0.005 Abs