Hach-Lange 2100 N Laboratory Turbidimeter Basic User Manual - Manual (Page 7)

Figure 3 Instrument components
1 2100N turbidimeter 6 StablCal ® Calibration kit
2 USEPA filter assembly 7 Gelex ® secondary turbidity
standardization kit 1
3 Oiling cloth 8 Dust cover
4 Six 1" sample cells (30 mL) with
caps
9 Power cord
5 Silicone oil
1 Supplied with 4700000 only.
User interface
Figure 4 Keypad
1 ENTER key 5 RATIO key
2 EDIT (arrow) keys 6 SIGNAL AVG key
3 RANGE key 7 PRINT key
4 UNITS/Exit key 8 CAL key
Table 1 Key descriptions
Key Description
Enters the value on the display. Starts the measurement of a
calibration standard. Clears data from the buffer.
Changes the numbers and/or letters on the display. Steps through
the calibration standards. The right arrow key moves the cursor to
the previous or next digit.
Selects automatic or manual ranging.
Selects the unit of measure. Exits Calibration without saving
changes.
English 7