Hach DR300 Service Manual

Step Description Picture
10
• Insert the NG11 filter into the cell holder. Make
sure to install the filter in the correct orientation.
• Install the instrument cup.
Note: The filter is light-tight. Therefore, it is not
necessary to install the instrument cap.
• Push to measure the absorbance.
• Make a note of the measured value of the
NG11 filter and enter the actual value in the
Certificate of Service Inspection.
11
• Insert the NG5 filter into the cell holder. Make
sure to install the filter in the correct orientation.
• Install the instrument cup.
Note: The filter is light-tight. Therefore, it is not
necessary to install the instrument cap.
• Push to measure the absorbance.
• Make a note of the measured value of the
NG5 filter and enter the actual value in the
Certificate of Service Inspection.
Inspection
31

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