HORIBA LAQUAtwin pH-33 Waterproof Pocket pH, mV & Temperature Meter

Product Overview

The HORIBA LAQUAtwin pH-33 is a premium pocket meter for accurate pH, millivolt and temperature measurement. Its flat glass sensor measures samples directly on the sensor surface, eliminating the need for a beaker and reducing sample waste. A few drops of sample or standard solution are enough for testing.

With 0.01 pH resolution, up to five calibration points, temperature display and temperature calibration, the pH-33 is designed for more demanding portable pH applications. The sensor can be used for liquids and, with suitable preparation, viscous samples, solids and powders.

Key Features

• Measures pH, mV and temperature

• High-resolution pH measurement: 0.01 pH

• Flat glass-electrode sensor for direct sample placement

• Measures samples from 0.1 mL

• Measures samples from 0.05 mL with Sampling Sheet B

• Up to 5-point pH calibration

• Automatic calibration and automatic recognition of USA and NIST pH buffers

• Automatic temperature compensation

• Temperature display from 0.0 to 50.0°C

• Temperature calibration from 5 to 40.0°C

• Auto Stable and Auto Hold measurement functions

• Backlit monochrome LCD

• IP67 waterproof and dustproof construction

• Replaceable S010 pH sensor

• Automatic power-off after 30 minutes

• Low-battery indicator

• Approx. 400 hours of continuous operation without backlight

• Supplied in a compact carrying case

• Warranty: 2 years for meter; 6 months for sensor

Technical Specifications

Package Contents

• HORIBA LAQUAtwin pH-33 pocket pH/mV/temperature meter

• S010 replaceable pH sensor

• pH 4.01 buffer solution, 14 mL

• pH 7.00 buffer solution, 14 mL

• 2 × CR2032 batteries

• Dropper/pipette

• Sampling Sheet B, 5-sheet pack

• Carrying/storage case

• Instruction manual and quick guide

Compatible Accessories

• S010 replacement pH sensor — Part No. 3200459834

• pH 4.01 buffer solution, 514-4 — Part No. 3999960108

• pH 7.00 buffer solution, 514-7 — Part No. 3999960109

• Sampling Sheet B — Y046

• Sampling Sheet Holder — Y048

Suitable Applications

Suitable for water testing, hydroponics, agriculture, soil extracts, food and beverage quality control, cosmetics, research laboratories, education and portable high-precision pH testing.

Important Use Note

The pH-33 is IP67 rated for protection from dust and temporary water exposure; it is not intended for underwater measurement.