Hanna HI991001 Waterproof Portable pH/Temperature Meter

Hanna HI991001 Waterproof Portable pH/Temperature Meter – Compact and Durable for Field and Lab Use

The Hanna HI991001 Waterproof Portable pH/Temperature Meter is a versatile, portable pH and temperature meter designed for accurate and reliable measurements in both field and laboratory settings. Featuring a pre-amplified titanium-body probe and housed in a rugged IP67 waterproof casing, this instrument delivers fast, stable readings even in harsh or wet environments. With intuitive operation, automatic temperature compensation, and long battery life, it’s the perfect tool for professionals in water treatment, environmental testing, food production, and general-purpose pH applications.

Key Features

• Wide Measurement Range and Precision Accuracy

  • pH range: –2.00 to 16.00 pH

  • Accuracy: ±0.02 pH

  • Resolution: 0.01 pH

  • Temperature range: –5.0 to 105.0°C

  • Accuracy: ±0.5°C

  • Resolution: 0.1°C

  • pH-mV Range: ±825 mV, Resolution: 1 mV

• Rugged, Pre-Amplified Probe Included
  Comes with the HI12963 combination pH and temperature probe featuring:

  • Titanium body for durability and chemical resistance

  • Built-in temperature sensor for automatic temperature compensation (ATC)

  • Quick Connect DIN connector

  • 1 m (3.3′) cable

• User-Friendly Design

  • Clear LCD display with dual-line readings for pH and temperature

  • On-screen stability and calibration indicators

  • Automatic temperature compensation for improved accuracy

• Highly Durable and Waterproof

  • Rated IP67 for complete protection against water and dust

  • Built to withstand challenging field and industrial conditions

• Long Battery Life

  • Powered by 3 x 1.5V AAA batteries

  • Up to 1400 hours of continuous use

Technical Specifications

Applications

The HI991001 is ideal for:

• Water Treatment & Quality Testing – Fast, accurate measurements in potable, wastewater, and process water

• Environmental Monitoring – Stream, river, lake, and field sampling with rugged design

• General Laboratory Use – Versatile pH and temperature testing in education and R&D

• Industrial & Manufacturing – On-site pH control in chemical baths and production lines

• Food and Beverage – Suitable for use with appropriate probes in dairies, breweries, and more