Handheld Photometer

Photometer in the wild

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Availability: Out of stock


Product ID: PHOT-N-P

Fits in the palm of your hand, sends results to a mobile device for effortless data tracking

This handheld photometer is designed for use with NECi's on-site test kits for nitrate and phosphate analysis.  NECi's handheld photometer is designed to interface with Android mobile devices via Bluetooth technology.  The computational software is part of the mobile application, not in the handheld device, saving space and allowing data storage and tracking on mobile devices.  Data collected in the field is easily exported into CSV for further analysis and data sharing.  The 3-D printed case is 100% PLA, which is a biodegradable thermoplastic aliphatic polyester made from renewable resources.




Nitrate-N, Standard Range Water 0.5 - 10 ppm Enzymatic (nitrate reductase)
Nitrate-N, Low Range Water 0.01 - 2.0 ppm Enzymatic (nitrate reductase)
Nitrate-N, Soil 0 - 50 ppm Enzymatic (nitrate reductase)
Nitrate-N, Plant Petioles 0 - 1000 ppm Enzymatic (nitrate reductase)
Nitrate-N, Green & Dry Forage 0 - 2000 ppm Enzymatic (nitrate reductase)
Phosphate (SRP), Standard Range 5 - 20 ppm Enzymatic (PNP)
Phosphate (SRP), Low Range 0.5 - 5 ppm Enzymatic (PNP)
Additional Information


Mobile App Screenshots



Google play App for NECi's Handheld Photometer

NECi guarantees Photometer replacement, at no cost, for 6 months from date of purchase. After 6 months and up to a year, unsatisfied customers may request replacement at NECi's discretion.


  • Weight:  4.3 oz (124 grams)
  • Dimensions:  92 mm L x 66 mm W x 42 mm H
  • Wavelengths:  360 nm, 540 nm
  • Parameters: Nitrate-N (Standard or Low Range), Phosphate (Standard or Low Range)
  • Power Supply: Rechargeable Lithium Ion Battery
  • Compatibility: Android Mobile Devices
  • % Error: Less than 10

View the Photometer Instruction Manual

View the Photometer Quick Start Reference Guide

Learn More About NECi's Handheld Photometer Technology

For technical support regarding photometers, contact photometer@nitrate.com

For technical support regarding kits, contact tech@nitrate.com

For inquiries regarding orders, or to request a custom quotation for international orders, contact sales@nitrate.com

NECi offers discount pricing on bulk quantity and wholesale orders.

Call 1-888-NITRATE or (906)-296-1130 for answers, support, and to make comments.