Lutron PDO-519 – Pen-Type Dissolved Oxygen (DO) Meter

Lutron PDO-519 – Pen-Type Dissolved Oxygen (DO) Meter

Lutron PDO-519 – Pen-Type Dissolved Oxygen (DO) Meter

The Lutron PDO-519 is a compact and reliable pen-type device designed for precise measurement of dissolved oxygen (DO) and temperature in water. Featuring an integrated temperature sensor, wide measurement range, and waterproof IP-67 housing, it is ideal for aquarists, field researchers, lab technicians, and more.

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Key FeaturesLutron PDO-519 – Pen-Type Dissolved Oxygen (DO) Meter

• Wide Measurement Range

  • Dissolved Oxygen: 0 to 20.0 mg/L

  • Air Oxygen: 0 to 100% (for reference only)

  • Temperature: 0 to 50℃

• Integrated Temperature Sensor

  • Equipped with a polarographic DO probe with built-in temperature sensor

  • Provides automatic temperature compensation for enhanced accuracy

• Dual LCD Display

  • Simultaneously shows DO concentration and temperature

  • LCD size: 29 mm x 28 mm for clear and quick reading

• User-Friendly Operation

  • Features data hold, max/min value memory, and auto power-off

  • Designed for easy use even by non-technical users

• Portable and Durable Design

  • Compact and lightweight

  • IP-67 waterproof rating for reliable field use

  • Rugged ABS plastic housing for durability

• High Accuracy and Fast Response

  • Delivers quick and accurate readings within seconds

  • Dissolved Oxygen accuracy: ±0.4 mg/L at 23±5℃

• Energy-Efficient

  • Powered by four 1.5V AAA batteries

  • Low power consumption (~6.2 mA) with auto-off feature to extend battery life

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Who Should Use the Lutron PDO-519

• Aquarists and Fish Farmers

  • Monitor water oxygen levels to maintain optimal conditions for aquatic life

• Medical Researchers

  • Perform high-precision DO measurements in various medical and biological applications

• Farmers and Aquaculture Professionals

  • Improve irrigation or aquaculture system efficiency with accurate DO control

• Laboratories and Universities

  • Ideal for scientific research, experiments, and educational demonstrations

• Mining Industry

  • Ensure water quality in operational environments meets regulatory standards

• Educators and Students

  • Use in classrooms or field projects for practical understanding of water quality

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Additional Product Details

• Resolution

  • DO: 0.1 mg/L

  • Oxygen in Air: 0.1% O₂

  • Temperature: 0.1℃

• Accuracy

  • DO: ±0.4 mg/L (@ 23±5℃)

  • Air Oxygen: ±0.7% O₂ (reference only)

  • Temperature: ±0.8℃ / 1.5℉

• Power Supply

  • Four 1.5V AAA (UM-4) batteries

• Size and Weight

  • Dimensions: 180 x 40 x 40 mm (7.1 x 1.6 x 1.6 inches)

  • Weight: 176 g (0.39 lb), including probe and batteries

• Included Accessories

  • Soft carrying case (CA-05A)

  • Operation manual

  • Spare probe heads with diaphragms (2 pcs, OXHD-04)

  • Probe-filling electrolyte (OXEL-03)

• Optional Accessories

  • Oxygen probe (OXPB-19)

  • Spare probe head/diaphragm set (OXHD-04)

  • Probe-filling electrolyte (OXEL-03)

  • Hard carrying case (CA-06)

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Summary

The Lutron PDO-519 is a powerful, compact, and easy-to-use dissolved oxygen meter built for high accuracy and durability in both field and lab settings. Whether you’re managing aquaculture, conducting environmental research, or teaching water quality principles, this tool delivers fast and reliable readings with minimal effort. Its waterproof design, intuitive operation, and low power consumption make it a smart investment for anyone needing dependable oxygen monitoring.