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AMMONIA MEDIUM RANGEAMMONIA MEDIUM RANGE

AMMONIA MEDIUM RANGE

SPECIFICATIONS

Range 0.00 to 10.00 mg/L

Resolution 0.01 mg/L

Accuracy ±0.05 mg/L ±5% of reading

Typical EMC ±0.01 mg/L

Deviation

Light Source Tungsten lamp with narrow band interference

filter @ 420 nm

Method Adaptation of the ASTM Manual of Water and

Environmental Technology, D1426-92, Nessler

method. The reaction between ammonia and

reagents causes a yellow tint in the sample.

REQUIRED REAGENTS

Code Description Quantity

HI 93715A-0 First Reagent 4 drops (6 drops in seawater)

HI 93715B-0 Second Reagent 4 drops (10 drops in seawater)

REAGENT SETS

HI 93715-01 Reagents for 100 tests

HI 93715-03 Reagents for 300 tests

For other accessories see page 141.

MEASUREMENT PROCEDURE

• Select the program number corresponding to Ammonia MR on the

secondary LCD by pressing PROGRAM W and V.

• Fill the cuvet with 10 mL of unreacted sample (up

to the mark) and replace the cap.

• Place the cuvet into the holder and

ensure that the notch on the cap is

positioned securely into the groove.

• Press ZERO and “SIP” will blink on the display.

• Wait for a few seconds and the display will

show “-0.0-”. Now the meter is zeroed

and ready for measurement.

Ammonia MR

10 mL

Hanna Instruments C 99 series User Manual

Questions and Answers: