Short Description

The Lutron PWA-301 is a professional digital pure water meter designed to measure the electrical conductivity (EC)of water, enabling quick assessment of water purity and filtration efficiency. Featuring a measurement range of 0–1999 µS/cm, automatic temperature compensation (ATC), a durable carbon rod electrode, IP67 waterproof protection, and a compact pen-type design, it is ideal for water treatment, RO systems, laboratories, aquariums, food processing, and industrial quality control.

Key Features

• Professional Digital Pure Water Meter
• Measures Water Conductivity (EC)
• Measuring Range: 0–1999 µS/cm
• Automatic Temperature Compensation (ATC)
• Durable Carbon Rod Electrode
• IP67 Waterproof Protection
• Pen-Type All-in-One Design
• Large LCD Display
• Data Hold Function
• Maximum & Minimum Reading Memory
• Auto Power Off
• Low Battery Indicator
• Microprocessor-Based Circuit
• Fast Measurement Response
• Lightweight & Portable
• Long-Life Sensor Design

Applications

Suitable for:

• Reverse Osmosis (RO) Systems
• Water Purification Plants
• Drinking Water Testing
• Water Filter Performance Testing
• Water Conditioning
• Aquariums
• Hydroponics
• Food Processing
• Beverage Industry
• Photography Labs
• Educational Institutions
• Environmental Monitoring
• Research Laboratories
• Industrial Quality Control

Technical Specifications

Conductivity Measurement

Temperature Compensation

Sensor

• Carbon Rod Conductivity Electrode
• Long-Life Sensor Design
• Built-in Temperature Sensor
• Fast Response

Display

• LCD Display
• Display Size: 20 × 28 mm
• Easy-to-Read Digital Display
• Low Battery Indicator

Measurement Functions

• Electrical Conductivity (EC)
• Automatic Temperature Compensation
• Data Hold
• Maximum Reading Recall
• Minimum Reading Recall
• Auto Power Off

Sampling Time

• Approximately 0.8 Seconds

Operating Conditions

Operating Temperature

• 0°C to 50°C (32°F to 122°F)

Operating Humidity

• Less than 80% RH

Protection Rating

• IP67 Waterproof

Power Supply

• 4 × 1.5V AAA Batteries (UM-4)

Power Consumption

• Approximately 5.7 mA

Dimensions

• 190 × 40 × 40 mm

Weight

• Approximately 171 g

Construction

• High-Impact ABS Plastic Housing
• Carbon Rod Conductivity Electrode
• IP67 Waterproof Design
• Microprocessor-Controlled Electronics

Standard Package Includes

• Lutron PWA-301 Pure Water Meter
• User Instruction Manual

Optional Accessories

• Soft Carrying Case (CA-52A)
• Hard Carrying Case (CA-06)

Advantages

• Accurate Water Conductivity Measurement
• Ideal for Checking RO Water Purity
• Quick Evaluation of Water Filter Performance
• Automatic Temperature Compensation
• Waterproof IP67 Construction
• Long-Life Carbon Rod Sensor
• Compact Pen-Type Design
• Easy One-Hand Operation
• Fast Measurement Response
• Suitable for Field & Laboratory Applications

Industries Served

• Water Treatment
• Water Purification
• Food & Beverage
• Pharmaceutical
• Environmental Monitoring
• Aquaculture
• Educational Institutions
• Research Laboratories
• Industrial Manufacturing
• Quality Assurance