User Guide

ManualsBrandsHanna Instruments ManualsOtherC 215

POWER CONNECTION

Plug the 12VDC adapter (HI 710005 - 110VDC, or HI 710006 -

220VDC) into the DC socket. Plug the adapter into the outlet.

Alternatively, remove the battery cover on the back of the meter;

attach 2 fresh 9V batteries and replace the cover.

Note:Insure the main line is surge protected.

Note: Always turn the meter off before unplugging it to insure no data

is lost.

MEASUREMENT PROCEDURE

• Turn the meter on by pressing ON/OFF.

• The meter will first perform an LCD self

diagnostic test by displaying a full set of

figures.

• Then it will show a scrolling

"215 Hanna Inst" message.

OPERATIONAL GUIDE

SPECIFICATIONS

Range 10 to 100 mg/L

Resolution 2.5 mg/L

Accuracy ±15 mg/L ±7% of reading

Typical EMC ±2.5 mg/L

Deviation

Light Source Tungsten lamp with narrow band interference

filter @ 610 nm

Method Adaptation of the Turbidimetric Tetraphenylborate

method. The reaction between Potassium and

reagents causes turbidity in the sample.

REQUIRED REAGENTS

Code Description Quantity

HI 93750

A-0 Potassium Reagent 6 drops

HI 93750

B-0 Powder Reagent 1 packet

REAGENT SETS

HI 93750-01 Reagents for 100 tests

HI 93750-03 Reagents for 300 tests

For other accessories see page 48.

MEASUREMENT PROCEDURE

Note: for sample preparation follow the NUTRIENTS SOLUTION (MR)

procedure at page 18.

• Select the program number corresponding to Potassium MR on the

secondary LCD by pressing PROGRAM t and s

• Fill the cuvet with 10 mL of sample, up to the

mark.

• Add six drops of HI 93750A,

replace the cap and swirl the

solution.

• Place the cuvet into the holder and

ensure that the notch on the cap is

positioned securely into the groove.

Potassium MR

POTASSIUM MEDIUM RANGE

• When the LCD displays “----”, the meter

is ready. On the secondary LCD "P1" will

appear to inform that the first parameter

measurement procedure (Ammonia LR)

can be performed.

• Press the PROGRAM t and PROGRAM s keys to select the

desired parameter.