Máy đo Nitrat Hanna HI97728 (0 to 30 mg/L)

Nitrate Portable Photometer with CAL Check - HI97728

HI97728 is an advanced portable photometer for the measurement of nitrate as nitrate-nitrogen in water up to 30.0 mg/L.  This meter offers a superior optical system that utilizes a reference detector and narrow band interference filters for extremely fast and repeatable measurements. 

• No warm up time before taking a measurement
• Tutorial mode for step-by-step instructions
• CAL Check for performance verification and calibration

Nitrate Range	0.0 to 30.0 mg/L (NO3-N)
Nitrate Resolution	0.1 mg/L
Nitrate Accuracy	±0.5 mg/L ±10% of reading
Nitrate Method	Adaptation of Cadmium Reduction Method

Photometer/Colorimeter Light Source	Light emitting diode
Photometer/Colorimeter Light Detector	silicon photocell with narrow band interference filter @ 525 nm
Bandpass Filter Bandwidth	8 nm
Bandpass Filter Wavelength Accuracy	±1.0 nm
Cuvette Type	round, 24.6 mm diameter (22 mm inside)
GLP	date, time of last calibration
Display	128 x 64 pixel B/W LCD with backlight
Logging Type	automatic logging
Logging Memory	50 measurement
Battery Type/Life	1.5V AA battery (3 pcs.) / > 800 measurements (without backlight)
Automatic Shut-Off	After 15 minutes of inactivity (30 minutes before a READ measurement)
Environment	0 to 50°C (32 to 122°F); relative humidity: 100% (IP67)
Weight	380 g (13.4 oz.) with batteries
Dimensions	142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0")
Ordering Information	HI97728 is supplied with cuvettes (2), caps (2), plastic inserts for cuvettes (2), 1.5V AA batteries (3), instruction manual, and instrument quality certificate. Kit : HI97728C is supplied with CAL-Check standards, cuvettes (2), caps (2), plastic inserts for cuvette, (2), scissors, cuvette cleaning cloth, 1.5V AA batteries (3), instruction manual, and instrument quality certificate
Notes	Primary Application: The measurement of nitrate in drinking water.