Description

Clarkson HI97728
Nitrate Photometer
Hanna Instruments HI97728

The HI97728 Nitrate Photometer combines accuracy and ease of use in a simple, portable design. The advanced optical system provides lab-quality accuracy while its user-friendly design is easy for any user making it the perfect photometer for your water quality testing needs. The HI97728 meter measures measures the nitrate content in water samples in the 0.0 to 30.0 mg/L (ppm) as NO3-N range.

No warm up time needed before taking a measurement.
Tutorial mode for easy step-by-step instructions.
CAL CheckTM for performance verification and calibration.

Specifications
Nitrate Range	0.0 to 30.0 mg/L
Nitrate Resolution	0.1 mg/L
Nitrate Accuracy	±0.5 mg/L ±10% of reading at 25 °C
Nitrate Method	Adaptation of Cadmium Reduction method
Light Source	light emitting diode
Light Detector	silicon photocell
Bandpass Filter Bandwidth	8 nm
Bandpass Filter Wavelength Accuracy	±1.0 nm
Logging	50 readings (auto logging)
Power Supply	Alkaline 1.5 V AA (3 pcs.)
Battery Life	> 800 measurements (without backlight)
Auto-off	After 15 minutes of inactivity (30 minutes before a READ measurement)
Environment	0 to 50 °C (32 to 122 °F); 0 to 100% RH, non‑serviceable
Dimensions	142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0″)
Weight	380 g (13.4 oz.)

Catalog Number	Description
HI97728 *	Nitrate Photometer – Sample cuvette (2 pcs.) – Sample cap (2 pcs.) – Plastic stopper (2 pcs.) – Alkaline batteries: 1.5V AA (3 pcs.) – Instruction manual – Meter quality certificate
HI97728C	Nitrate Photometer Kit – Sample cuvette (2 pcs.) – Sample cap (2 pcs.) – Plastic stopper (2 pcs.) – A ZERO – CAL CheckTM Cuvette A – HI97728B – CAL CheckTM Cuvette B for Nitrate – Cloth for wiping cuvettes – Scissors – Alkaline batteries: 1.5V AA (3 pcs.) – Instruction manual – Meter quality certificate – CAL Check standard certificate
Reagents and Standards
HI97728-11	CAL Check standard cuvettes for nitrate
HI93728-01	Nitrate reagents for 100 tests
HI93728-03	Nitrate reagents for 300 tests