Short Description

The Lutron PH-220 is a professional pen-type digital pH meter designed for accurate pH measurement in water, beverages, aquariums, laboratories, food processing, swimming pools, educational institutions, and industrial quality control. It features a separate PE-11 pH electrode, automatic calibration, IP65 water-resistant protection, and a large LCD with reversible display for convenient operation. The high-input impedance and automatic temperature compensation ensure fast, reliable, and precise pH measurements in a wide variety of applications.

Key Features

• Professional Digital Pen-Type pH Meter
• Wide Measuring Range: 0.00 to 14.00 pH
• Separate PE-11 pH Electrode
• Automatic Calibration (pH 4, 7 & 10)
• Automatic Temperature Compensation (ATC)
• IP65 Water-Resistant Housing
• Large LCD Display
• Reversible Display Function
• Data Hold Function
• High Input Impedance
• Microprocessor-Based Circuit
• Fast Response Time
• Auto Power Off
• Low Battery Indicator
• Lightweight & Portable Design

Applications

Suitable for:

• Water Quality Testing
• Drinking Water
• Aquariums
• Fish Hatcheries
• Swimming Pools
• Food Processing
• Beverage Industry
• Laboratories
• Educational Institutions
• Environmental Monitoring
• Chemical Processing
• Industrial Quality Control
• Research Laboratories

Technical Specifications

pH Measurement

Calibration

Temperature Compensation

• Automatic Temperature Compensation (ATC)
• No manual temperature adjustment required

Input Impedance

• 10¹² Ohms

pH Electrode Specifications

Display

• LCD Display
• Display Size: 20 × 28 mm
• Reversible Display Function
• Data Hold Indicator

Functions

• pH Measurement
• Automatic Calibration
• Automatic Temperature Compensation
• Data Hold
• Reverse Display
• Auto Power Off
• Low Battery Indicator

Sampling Time

• Approximately 0.8 Seconds

Operating Conditions

Operating Temperature

• 0°C to 50°C

Operating Humidity

• Less than 80% RH

Power Supply

• 4 × 1.5V AAA Batteries (UM-4)

Power Consumption

• Approximately 4.8 mA

Dimensions

Meter

• 180 × 40 × 32 mm

Electrode

• 120 mm Length × 9.5 mm Diameter

Electrode Cable

• Approximately 1.8 meters

Weight

• Approximately 220 g (including electrode)

Construction

• High-Impact ABS Plastic Housing
• IP65 Water-Resistant Protection
• Microprocessor-Controlled Electronics
• Replaceable PE-11 pH Electrode

Standard Package Includes

• Lutron PH-220 Digital pH Meter
• PE-11 pH Electrode
• pH 7.00 Buffer Solution
• pH 4.00 Buffer Solution
• User Instruction Manual

Optional Accessories

• pH 10.01 Buffer Solution
• Replacement PE-11 pH Electrode
• Soft Carrying Case (CA-05A)

Advantages

• Accurate & Stable pH Measurement
• Separate Electrode for Flexible Testing
• Easy Automatic Calibration
• IP65 Water-Resistant Design
• Lightweight & Portable
• Replaceable Electrode
• Fast Response Time
• Easy-to-Read LCD Display
• Ideal for Laboratory & Field Applications
• Reliable Industrial Performance

Industries Served

• Water Treatment
• Food & Beverage
• Aquaculture
• Agriculture
• Environmental Monitoring
• Pharmaceutical Industry
• Chemical Industry
• Research Laboratories
• Educational Institutions
• Quality Assurance