"HANNA INSTRUMENTS"

The Free and Total Chlorine 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. This meter measures free and total chlorine in water samples from 0.00 - 5.00 mg/L (ppm).

The Total Hardness 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 HI97735 meter measures total hardness in water samples up to 750 mg/L (ppm) CaCO₃.

The HALO2 Wireless General Use pH Tester has a refillable glass body and spherical glass sensing bulb made for users that prefer a low-maintenance laboratory-grade pH electrode.

Our HALO2 Wireless Field pH Tester has a durable PEI body and spherical sensing bulb, perfect for use in the field.

This multiparameter meter is a waterproof portable logging multiparameter meter. The microprocessor based multi-sensor probe allows for the measurement of key parameters including pH, ORP, conductivity, dissolved oxygen, turbidity, and temperature. The complete system is simple to setup and easy to use.

Classrooms can gain an extensive understanding of water quality through measurement of ten parameters.

Get accurate water testing results with the Free Chlorine colorimeter. With a digital read out, there is no more struggling to determine colors visually. This free chlorine tester's compact design fits in your pocket or stores easily in your shop.

High quality reagents that are pre-measured, allowing for users to achieve fast and accurate colorimetric measurements.

Reagents for low, medium and high range colorimetric determination of total hardness.

Provides a simple, accurate and cost-effective way to measure fluoride.

NIST traceable and contained in portable single-use sachets.

High-quality pH 10 calibration buffer for standardizing meters in basic solutions.

Reliable pH 4 calibration buffer for accurate meter standardization and lab use.

Gentle cleaning solution designed to remove buildup and maintain electrode accuracy.

Neutral pH 7 calibration buffer for standardizing pH meters and electrodes.

Comprehensive, field-ready system for testing multiple water quality parameters with precision.