Hanna Instruments HI 96750 - Manual (Page 13)

13
• Press RANGE/GLP/ to change the range. The
range can be changed any time when the
instrument is in
measurement mode .
The selected range is memorized and the selection
remaines unchanged at power off or when the
battery is removed.
MEASUREMENT PROCEDURE
To compensate the meter for the sample turbidity or color, the measurement takes place in two
phases. First, the meter is zeroed using the unreacted sample. After the reagents are added the
reacted sample is measured.
• Turn the meter on by pressing ON/OFF.
The display briefly shows all tags on.
• When the beeper sounds briefly and the
LCD displays dashes, the meter is ready.
The blinking “ZERO” indicates that the
instrument needs to be zeroed first.
• Pay attention to the selected range.
To change the range, simply press
RANGE/GLP
/ .
The HI 96750 can measure Potassium LR when range P1 is selected, Potassium MR when range
P2 is selected. To change the active range follow the procedure:
• Turn the meter on by pressing ON/OFF. The
display briefly shows all tags on.
• After startup, the range identification number is
displayed on the secondary LCD as P1 or P2.
RANGE SELECTION
Code Parameter
P1 Potassium LR
P2 Potassium MR