27
SPECIFICATIONS
Range
0.00 to 3.00 mg/L
Resolution
0.01 mg/L
Accuracy
±0.04 mg/L ±4% 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 93700
A
-0
First Reagent
4 drops (6 drops in seawater)
HI 93700
B
-0
Second Reagent
4 drops (10 drops in seawater)
REAGENT SETS
HI 93700-01
Reagents for 100 tests
HI 93700-03
Reagents for 300 tests
For other accessories see page 141.
MEASUREMENT PROCEDURE
• Select the program number corresponding to Ammonia LR 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 LR
AMMONIA LOW RANGE
AMMONIA LOW RANGE
AMMONIA LOW RANGE
AMMONIA LOW RANGE
AMMONIA LOW RANGE
10 mL