Hanna HI99141 Boiler and Cooling Tower pH Portable Meter

Hanna HI99141 Boiler and Cooling Tower pH Portable Meter – Reliable pH Monitoring in High-Alkalinity and High-Temperature Systems

The Hanna HI99141 Boiler and Cooling Tower pH Portable Meter is a robust and portable pH and temperature meter designed specifically for boiler water and cooling tower applications. It features a specialized high-alkalinity resistant HI1414D/50 pre-amplified pH probe, optimized for chemically aggressive environments and high-temperature samples typically found in industrial water treatment systems.

With a rugged IP67 waterproof housing, automatic temperature compensation, and intuitive calibration features, the HI99141 ensures precise and dependable pH measurements essential for corrosion control, scale prevention, and overall system efficiency.

Key Features

• Optimized for Boiler and Cooling Tower Water

  • Ideal for high-alkaline and chemically treated water systems

  • Reliable performance in high conductivity and high pH environments

• High-Performance pH Probe Included

  • Supplied with the HI1414D/50 probe featuring:

    • Durable glass body

    • Internal temperature sensor for ATC

    • Pre-amplified signal for stable readings

    • Quick DIN connector and 1 m (3.3 ft) cable

• Accurate and High-Resolution Measurement

  • pH Range: –2.00 to 16.00 pH

  • Resolution: 0.01 pH

  • Accuracy: ±0.02 pH

  • Temperature Range: –5.0 to 105.0 °C (23.0 to 221.0 °F)

  • Accuracy: ±0.5 °C (≤60 °C), ±1.0 °C above

• Automatic Calibration and Temperature Compensation

  • One or two-point calibration with either standard (pH 4.01 / 7.01 / 10.01) or NIST (pH 4.01 / 6.86 / 9.18) buffers

  • ATC from –5.0 to 105.0 °C ensures precision across varying conditions

• Durable, Field-Ready Design

  • Waterproof IP67 casing

  • Operates in 100% humidity

  • Compact and lightweight for on-site use

• Long Battery Life with Auto-Off Function

  • Runs on 3 x 1.5V AAA batteries

  • Up to 1200 hours of continuous operation

  • Auto shut-off after 8 minutes of inactivity

Technical Specifications

Ideal Applications

• Boiler Feed Water Monitoring – Prevent scaling, corrosion, and inefficiency in high-pressure systems

• Cooling Tower Maintenance – Maintain proper pH balance to minimize fouling and biological growth

• Industrial Water Treatment – Monitor pH in chemical dosing and process water systems

• HVAC System Service – Field testing for heating and cooling system integrity

• Power Plants and Manufacturing – Ensure long-term equipment performance and compliance