Hach 2100P User Manual

47
SECTION 3, continued
10. 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. Then the display
will increment back to
the S0 display. Remove
the sample cell from the
cell compartment.
11. Press: CAL to
accept the calibration.
The instrument will
return to measurement
mode automatically.
Note: Pressing CAL
completes the calculation
of the calibration
coefficients. If calibration
errors occurred during
calibration, error messages
will appear after
CAL is
pressed. If
E1 or E2
appear, check the standard
preparation and review the
calibration; repeat the
calibration if necessary. If
CAL? appears, an error
may have occurred during
calibration. If
CAL? is
flashing, the instrument
is using the default
calibration.
READ CAL

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