What is the primary function of a Nitrate-Nitrogen Photometer?

Its primary function is to accurately measure the concentration of nitrate-nitrogen in liquid samples, which is crucial for environmental monitoring and water quality control.

Why is nitrate-nitrogen measurement important?

Measuring nitrate-nitrogen is important because high levels can indicate contamination from fertilisers or organic decomposition, posing potential health risks if converted to nitrites, particularly in drinking water.

Can this unit measure total nitrates?

This unit measures nitrate-nitrogen (NO₃-N). To convert this reading to total nitrate concentration (NO₃), a multiplication factor is typically applied, as nitrate-nitrogen is a component of total nitrates.

What reagents are required for operation?

Photometers of this type typically require specific chemical reagents to facilitate the colourimetric reaction necessary for nitrate detection. These are usually purchased separately.

Is this photometer suitable for field use?

Yes, handheld photometers like this are specifically designed for field measurements due to their portability, battery operation, and robust construction.

Used Hanna HI 93728 Nitrate-Nitrogen Photometer - Spectrophotometers (UV-Vis, Fluorescence, Colorimeters), foto 1

Used Hanna HI 93728 Nitrate-Nitrogen Photometer - Spectrophotometers (UV-Vis, Fluorescence, Colorimeters), foto 2

Used Hanna HI 93728 Nitrate-Nitrogen Photometer - Spectrophotometers (UV-Vis, Fluorescence, Colorimeters)

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Hanna HI 93728 Nitrate-Nitrogen Photometer

Name: Hanna HI 93728 Nitrate-Nitrogen Photometer
Brand: Hanna
SKU: 413032
Price: 45 GBP
Availability: SoldOut

Prezzo: £ 45

Hanna HI 93728 nitrate-nitrogen photometer for fast, accurate water quality analysis in laboratory and environmental testing applications

Cambridgeshire, United Kingdom

A 5773 km

Numero di modello

HI 93728

Codice articolo

413032

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Water treatment facilities for monitoring nitrate levels in potable and wastewater.
Agricultural settings for assessing nitrate content in soil extracts and irrigation water.
Environmental laboratories for analysing natural water sources like rivers, lakes, and groundwater.
Food and beverage industry for quality control of certain products and process water.
Aquaculture operations to maintain optimal water quality for aquatic life.

Measurement Range (NO₃-N): Typically 0.0 to 30.0 mg/L for this class of handheld photometer.
Resolution: Commonly 0.1 mg/L for units of this type.
Accuracy: For this class of equipment, accuracy is typically around ±0.5 mg/L ±10% of reading.
Light Source: Often an LED at a specific wavelength, such as 555 nm.
Power Supply: Typically operates on a 9V battery, offering portable use.
Operating Environment: Designed for use in temperatures typically ranging from 0 to 50°C with non-condensing humidity.
Method: Commonly employs an adaptation of the cadmium reduction method.

Its primary function is to accurately measure the concentration of nitrate-nitrogen in liquid samples, which is crucial for environmental monitoring and water quality control.

Spectrophotometers remain valued across research, QA and diagnostics for their precision and reliability. Buyers typically prioritise wavelength range, optical bench condition and calibration history when purchasing used units. These instruments generally perform consistently when properly maintained. Common strengths include straightforward operation, durability of core optical components, and wide availability of compatible software. Prospective buyers should verify calibration certificates and request functional testing data before purchase.

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