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Handheld Water Quality Nitrate Nitrogen Detector

Product Number：

HM-SNO3

Product Difference：

Ultra-portable handheld meter dedicated to on-site nitrate nitrogen testing, featuring a 3.5-inch touch display, 5600mAh battery, and 325g lightweight body.

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Product Details

Water quality tetranitrogen detector overview with handheld testing meter and water splash background

Core features including Android system, touch screen, tube-dish colorimetry, WiFi support, large storage and thermal printing

Wastewater testing application areas including sewage disposal, aquaculture, medicine, surface water, brewing and chemical petroleum

Two models available: HM-T4N table-top and HM-S4N hand-held water quality tetranitrogen detector

Detection parameters, reference standards and measuring ranges for ammonia, nitrate, nitrite and total nitrogen

HM-S4N hand-held tetranitrogen detector with 3.5-inch touch screen and portable design

HM-T4N 10.1-inch LCD touch screen with Android operating system and settings interface

HM-T4N precision colorimetric method supporting cuvettes and 16mm colorimetric tubes

HM-T4N built-in thermal printer outputting testing result receipt

Technical parameter comparison table between HM-S4N and HM-T4N models

Shandong Hengmei Electronic Science and Technology Co., Ltd. company team group photo

Company laboratory testing facilities and research personnel conducting scientific testing

Product Overview

HM-SNO3 is a compact, handheld water quality analyzer engineered for rapid on-site screening and emergency monitoring of Nitrate nitrogen in water bodies. Designed in accordance with national testing standards and environmental regulations, the instrument delivers lab-grade quantitative results directly at the sampling site.

Featuring an Android intelligent operating system and a responsive 3.5-inch color LCD touch screen, the analyzer weighs only 325 g and houses a 5600 mAh rechargeable lithium battery. Its circular φ16 mm colorimetric tube design allows operators to perform fast, sealed photometric measurements in the field.

Key Features

Lightweight handheld structure weighing just 325 g with compact 190×77×72 mm dimensions for effortless one-handed outdoor operation.
Optical design compatible with standard φ16 mm circular tubes, simplifying the on-site measurement workflow.
Android intelligent operating system with intuitive graphical UI and guided on-screen testing instructions requiring minimal training.
3.5-inch high-resolution color LCD touch screen delivering crisp visibility of absorbance and concentration values in direct outdoor light.
Imported cold light source with automatic wavelength selection and an operating lifespan of up to 100,000 hours.
High optical sensitivity with an absorbance resolution of 0.001 and repeatability/stability < 0.5%.
Built-in 5600 mAh rechargeable lithium battery supporting up to 8 hours of continuous field operation with DC 5V Type-C charging.
Robust internal memory storing over 80,000 complete test records with date, time, and testing parameters.
Wireless data synchronization via Wi-Fi and Bluetooth to cloud monitoring platforms, with optional portable Bluetooth thermal printing.

Applications

HM-SNO3 is documented for water and wastewater testing across diverse monitoring scenarios, including municipal sewage treatment plants, industrial wastewater management, river basin and lake surface water monitoring, aquaculture water control, brewing and fermentation processes, petrochemicals, metallurgy, papermaking, and pharmaceutical effluent compliance.

Technical Specifications

Parameter	Specification
Detection Item	Nitrate Nitrogen (NO3-N)
Detection Range	0.1–100 mg/L (segmented)
Wavelength Selection	Automatic
Repeatability & Stability	Repeatability < 0.5%; Stability < 0.5%
Sensitivity (Absorbance)	0.001
Reaction Vessel	φ16 mm (circular) colorimetric integrated tube
Operating System	Android intelligent operating system
Display Screen	3.5-inch color LCD touch screen
Data Storage	Over 80,000 records
Communication	Type-C, Wi-Fi, Bluetooth
Battery & Runtime	5600 mAh rechargeable lithium battery; 8 hours continuous runtime
Dimensions & Weight	190 × 77 × 72 mm; 325 g

Configuration / Accessories

Standard package includes HM-SNO3 instrument host, matching reagents, power adapters, colorimetric tubes/cuvettes, and user operation manual.
Optional portable Bluetooth thermal printer or external battery packs according to field testing demands.

Related Models

Part of the comprehensive HM Instruments water quality nitrogen detection series. Users requiring different form factors or parameter configurations may consult companion models in the lineup.

Operation and Support

Select appropriate optical vessels according to concentration range and testing method requirements.
Utilize built-in sample naming and time retrieval functions to organize routine testing records and export data via USB drive.
Follow standard reagent storage instructions and clean optical chambers regularly with lint-free wipes.