Hach DR300 Service Manual

Step Description Picture
6 Turn the optical unit and insert an aperture.
7 Insert the interference filter.
Note: Make sure that the wavelength is correct.
Note: Make sure that the wavelength label is readable.
8 Push the LED head in the housing. Bend the pins 90°. Note
the polarity and direction.
Push the housing in the optical unit.
Repairs
40

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