Lovibond MD 100 Portable Colorimeter for Free and Total Chlorine Testing | Rugged, Waterproof Design with Included Reagents, Reliable Result

MD 100 Portable Colorimeter – Professional Chlorine Testing for Reliable Water Quality Analysis

Field-proven for professionals in municipal, utility, and agricultural water treatment, the MD 100 Portable Colorimeter is a rugged, single-parameter instrument engineered for accurate and reliable chlorine analysis. Whether you're in a plant, lab, or remote field location, this compact colorimeter delivers dependable results under demanding conditions—day in and day out. Designed for chlorine-specific testing, it’s the go-to solution for free, total, and combined chlorine monitoring using Lovibond Vario reagents.

With IP68 waterproof protection, pre-calibrated chlorine testing methods, and a user-friendly design, the MD 100 gives water quality professionals the confidence to measure chlorine levels with laboratory accuracy—anywhere.

Key Features: Rugged, Accurate, Field-Tested

• Dedicated Chlorine Testing: Measures free, total, and combined chlorine levels with high accuracy using Lovibond DPD reagents.

• Dual-Range Detection:

  • Low Range: 0.1 to 2.0 mg/L

  • High Range: 0.1 to 8.0 mg/L

• Reagents Included: Comes ready to use with 100x Free Chlorine Powder Pillows and 100x Total Chlorine Powder Pillows.

• IP68 Waterproof Rating: Fully submersible (up to 1 hour at 0.1m depth) and floats—ideal for harsh or wet environments.

• Portable & Lightweight: Designed for ease of use in the field, with intuitive controls and a compact build.

• Lovibond® Reliability: Trusted by professionals worldwide for its consistent performance and build quality.

• 2-Year Warranty: Peace of mind with a manufacturer-backed limited warranty.

Compatible Reagents – Designed to Work Seamlessly

The MD 100 is optimized for use with Lovibond Vario DPD chlorine reagents in 10 ml powder pillow format:

• Vario 530183 Free Chlorine Powder Pillows – 10 mL (1000 Pack)

• Vario 530193 Total Chlorine Powder Pillows – 10 mL (1000 Pack)

These field-ready reagent pillows ensure maximum compatibility, accuracy, and ease of dosing—perfect for fast-paced professional environments.

Sample Cells for Accurate Readings

To achieve optimal test accuracy, pair the MD 100 with the appropriate sample cuvettes:

• Lovibond 24mm Glass Sample Cuvettes – Made for MD 100 and MD 600, these high-clarity 10 ml glass cuvettes are essential for consistent results.

Explore More Professional Water Testing Solutions

• Water Testing Equipment Collection – Explore our full range of meters, colorimeters, test kits, and reagents.

• Colorimeters Page – Browse colorimeters with additional parameters and multi-test capabilities.

• Lovibond Collection – View all Lovibond instruments and reagents for advanced water analysis.

• Vario Brand Collection – Browse all reagents and products under the trusted Vario name.

Field-Tested for Real-World Demands

Whether you're monitoring disinfection levels in drinking water, chlorine residuals in agricultural systems, or treatment compliance in utilities, the MD 100 Portable Colorimeter delivers the precision, durability, and simplicity water quality professionals rely on. Trusted worldwide, it’s built for environments where accuracy can't be compromised and conditions aren't always ideal.