Short Description

The Lutron PDO-520 is a professional digital dissolved oxygen (DO) meter designed for accurate measurement of dissolved oxygen concentration and water temperature. It features a polarographic oxygen probe with an integrated temperature sensor, automatic temperature compensation, dual LCD display, and easy calibration. The heavy-duty probe with a 4-meter cable makes it ideal for remote measurements in laboratories, aquaculture, water treatment plants, environmental monitoring, fisheries, and industrial applications.

Key Features

• Professional Digital Dissolved Oxygen Meter
• Measures Dissolved Oxygen (DO)
• Simultaneous Temperature Measurement
• Heavy-Duty Polarographic Oxygen Probe
• Separate Probe with 4 Meter Cable
• Automatic Temperature Compensation (ATC)
• Auto Calibration
• Dual LCD Display
• Temperature Display in °C & °F
• Data Hold Function
• Maximum & Minimum Reading Memory
• Auto Power Off
• Low Battery Indicator
• Microprocessor-Based Circuit
• Rugged ABS Plastic Housing
• Fast Response Time
• Portable Battery Operation

Applications

Suitable for:

• Water Treatment Plants
• Aquaculture
• Fish Hatcheries
• Aquariums
• Environmental Monitoring
• Wastewater Treatment
• Drinking Water Testing
• Medical Research
• Agriculture
• Laboratories
• Schools & Universities
• Mining Industry
• Quality Control
• Industrial Water Analysis

Technical Specifications

Dissolved Oxygen Measurement

Oxygen in Air (Reference)

Temperature Measurement

Temperature Compensation

• Automatic Temperature Compensation (ATC)
• Compensation Range: 0°C to 50°C

Sensor

• Polarographic Dissolved Oxygen Probe
• Built-in Temperature Sensor
• Heavy-Duty Probe Construction
• Probe Compatible with Standard BOD Bottles
• Probe Cable Length: 4 meters

Display

• Dual LCD Display
• Simultaneous DO & Temperature Display
• LCD Size: 29 × 28 mm
• Easy-to-Read Digital Display

Functions

• Dissolved Oxygen Measurement
• Water Temperature Measurement
• Oxygen in Air Measurement (Reference)
• Automatic Temperature Compensation
• Auto Calibration
• Data Hold
• Maximum Reading Recall
• Minimum Reading Recall
• Auto Power Off

Sampling Time

• Approximately 1 second

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 6.2 mA

Dimensions

Main Unit

• 180 × 40 × 40 mm

Oxygen Probe

• 190 mm Length × 28 mm Diameter

Probe Cable Length

• 4 meters

Weight

• Approximately 390 g

Construction

• Heavy-Duty ABS Plastic Housing
• Polarographic Oxygen Sensor
• Integrated Temperature Sensor
• Industrial-Grade Electronics

Standard Package Includes

• Lutron PDO-520 Dissolved Oxygen Meter
• OXPB-11 Oxygen Probe
• Soft Carrying Case (CA-05A)
• 2 × Spare Probe Heads with Diaphragm (OXHD-04)
• Probe Filling Electrolyte (OXEL-03)
• User Instruction Manual

Optional Accessories

• Replacement Oxygen Probe (OXPB-11)
• Spare Probe Head with Diaphragm (OXHD-04)
• Probe Filling Electrolyte (OXEL-03)
• Hard Carrying Case (CA-06)

Advantages

• Accurate Dissolved Oxygen Measurement
• Simultaneous Temperature Display
• Automatic Temperature Compensation
• Heavy-Duty Remote Probe
• Suitable for BOD Bottle Testing
• Fast Measurement Response
• Easy Calibration
• Portable & Lightweight
• Durable Industrial Construction
• Reliable for Field & Laboratory Applications

Industries Served

• Water Treatment
• Environmental Monitoring
• Aquaculture
• Fisheries
• Agriculture
• Pharmaceutical Industry
• Food & Beverage
• Research Laboratories
• Educational Institutions
• Industrial Quality Control