Hanna Instruments HI83325 — Photometer for Nutrient Analysis
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Specifications:
(see all)
Measured / controlled parameters
pH, pH-mV, ammonia, calcium, magnesium, nitrate, phosphate, potassium, sulfate, absorbance, temperature.
Measurement / analysis range
pH: –2.00 to 16.00 pH; pH-mV: ±1000 mV; ammonia: low range; calcium: 0–150 mg/L; magnesium: 0–150 mg/L; nitrate: 0–30.0 mg/L; phosphate: high range (freshwater); potassium: 0–20.0 mg/L; sulfate: 0–150 mg/L; absorbance: 0.000–4.000 Abs.
Measurement accuracy / precision
pH: ±0.01 pH; pH-mV: ±0.2 mV; ammonia: —; calcium: ±5 mg/L ±3% of reading; magnesium: ±5 mg/L ±3% of reading; nitrate: ±0.5 mg/L ±10% of reading; phosphate: ±1 mg/L ±4% of reading; potassium: ±3.0 mg/L ±7% of reading; sulfate: ±5 mg/L ±3% of reading; absorbance: ±0.003 Abs @ 1.000 Abs.
Analysis method / operating principle
Potentiometric pH electrode; photometric analysis using three LED light sources (420, 466, 525 nm) and narrow band interference filters; adaptation of standard methods for nutrient determination.
Analysis / measurement time
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