Hach DR300 User Manual page 3

Table of contents
Product components
Install the batteries
User interface and navigation
on page 8
Do a test on page 11
Specifications
Specifications are subject to change without notice.
Specification
Dimensions (W x H x D) 6.9 x 15.7 x 3.4 cm (2.7 x 6.2 x 1.3 in.)
Enclosure
Light source
Detector
Display
Weight
Power requirements
Operating environment
Storage temperature
Wavelength
Filter bandwidth
Absorbance range
Sample cell
Data storage
on page 6
on page 7
Details
IP67, waterproof at 1 m (3.3 ft) for 30 minutes when
battery compartment is closed and locked.
Light emitting diode (LED)
Silicon photodiode
LCD with backlight
0.25 kg (0.55 lb)
4 AAA batteries; approximate life of 5000 tests (use of
backlight decreases this number)
Rechargeable batteries are not recommended.
0 to 50 °C (32 to 122 °F), 0 to 90% relative humidity
non-condensing
–20 to 55 °C (–4 to 131 °F), 0 to 80% relative humidity
non-condensing
Fixed wavelength ±2 nm, different for each model
15 nm
0 to 2.5 Abs
25 mm (10 mL) and 1 cm (10 mL)
Last 50 measurements
Calibration on page 15
Maintenance on page 20
Troubleshooting on page 21
Replacement parts and accessories
on page 24
English 3