Hach 2100P User Manual

65
SECTION 4, continued
11. Adjust the scattered light amplifier output by inserting a small
flat-bladed screwdriver into the trimpot hole (located on bottom).
Adjust the display to read 2.5 ± 0.3 volts (2.0 volts for models that
display
2100 when turned on).
12. Press
I/O to exit gain adjust mode.
13. Perform a formazin calibration according to Section 3.6.3 on
page 44 or Section 3.6.3.1 on page 48.

Hach 2100P Specifications

General

Range	0 to 1000 NTU
Light Source	Tungsten filament lamp
Detector	Silicon photodiode
Operating Temperature	0 to 50 °C (32 to 122 °F)
Power	4 AA alkaline batteries
Resolution	0.01 NTU
Measurement Principle	Nephelometric
Display	LCD