NSF-61 Certified • Made in USAChlorine Analyzers & Sensors
Reagent-free, membrane-free amperometric technology with self-cleaning electrodes. NSF-61 certified for direct in-pipe installation. Deploy anywhere — wet-tap, immersion, side-stream, or flow cell.
Complete Product Lineup
From single-parameter sensors to integrated cloud systems, Halogen offers solutions for municipal water systems, commercial buildings, maritime operations, and industrial facilities.
MP5 Free Chlorine
Flagship 5-parameter reagentless chlorine analyzer. Free chlorine, pH, ORP, conductivity, temperature.
MP-TOTAL
Total chlorine and monochloramine measurement for chloraminated systems.
MP-HOT
Hot water chlorine monitoring up to 80°C. NSF-61 certified for Legionella prevention.
D20 Controller
Touchscreen display and control unit. 4-20mA output, Modbus, relay control.
Marine TRO Sensor
Ballast water TRO measurement — 5 parameters, no reagents, self-cleaning. DNV-GL, KR & IECEx certified.
Learn Morearrow_forwardHalogen Cloud
View sensor data history, trends, and real-time alerts with a Data Plan.
Learn Morearrow_forwardData from Anywhere
Cellular IoT, Sensus AMI, and BLE connectivity for remote monitoring.
Learn Morearrow_forwardInstallation Options
Deploy your sensor in the way that fits your infrastructure. Wet-tap into a main line, immerse in a tank, install in a vault, or use a side-stream flow cell.
Wet-Tap
Immersion
Side-Stream
Flow Cell
Ballast Water Compliance
Total Residual Oxidant (TRO) monitoring for international maritime ballast water management regulations. Real-time compliance reporting and remote telemetry for fleet vessels.
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Not sure which sensor you need?
Answer a few quick questions about your water system, application, and requirements. Our Product Selector recommends the ideal Halogen configuration for your site.
Ready to Transform Your Water Quality Monitoring?
Join hundreds of water utilities and facilities that have eliminated reagents, reduced maintenance costs, and gained real-time insight with Halogen sensors.