6
SPECIFICA
TIONS
Range
0.00 to 9.99 mg/L (NH
3
‑N)
Resolution
0.01 mg/L for measurement
0.1 mg/L for calibration and validation
Accuracy
@25
°
C (77
°
F)
±0.05 mg/L ± 5% of reading
Light Source
Light Emitting Diode
Light Detector
Silicon Photocell with narrow band interference filter @466 nm
Method
Adaptation of the ASTM Manual of Water and Environmental Technology,
D1426‑93, Nessler Method. The reaction between ammonia and the reagents
causes a yellow tint in the sample.
Environment
0 to 50
°
C (32 to 122
°
F)
max 95 % RH non‑condensing
Battery Type
9V (1 pc.)
Auto‑Shut off
After 10’ of non‑use in measurement mode; after 1 hour of non‑use in
calibration mode; with last reading reminder
Dimensions
192 x 104 x 69 mm (7.6 x 4.1 x 2.7”)
Weight
320 g (11.3 oz.)
REQUIRED REAGENTS
Code
Description
Quantity/test
HI93715A‑0
First Reagent
4 drops
HI93715B‑0
Second Reagent
4 drops
