Hach 2100P User Manual

51
SECTION 3, continued
7. Edit the standard
concentration by
pressing →. The 1 will
stop flashing and the left
digit in the display will
flash. Press ↑ to scroll
the digit up to the
appropriate number.
Press → again to move
the cursor to the next
digit and edit it in the
same manner.
8. When all the digits
show the appropriate
value, press
READ.
The instrument will
count from 60 to 0
(67 to 0 if signal average
is on), measure the
turbidity and store the
value. The display will
automatically increment
to the next standard.
Remove the sample
cell from the cell
compartment.
9. Thoroughly mix the
90 to 110 NTU standard,
then fill a clean sample
cell to the line with the
standard. Insert the
cell into the cell
compartment.
READ

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