Lutron DO-5509 Pocket Dissolved Oxygen Meter
Lutron DO-5509 Pocket Dissolved Oxygen Meter
The Lutron DO-5509 is a compact, high-precision dissolved oxygen meter designed for reliable field and laboratory measurements. This portable device features a polarographic probe with integrated temperature sensor for accurate dissolved oxygen readings across various applications. ISO-9001 and CE certified, this professional-grade instrument delivers consistent performance for water quality assessment in aquaculture, research, environmental monitoring, and educational settings.
Key Features & Benefits
- Professional Accuracy - Precise measurements with ±0.4 mg/L accuracy after calibration
- Wide Measurement Range - Measures dissolved oxygen from 0 to 20.0 mg/L
- Polarographic Sensor Technology - Industry-standard measurement methodology for reliable results
- Automatic Temperature Compensation - Ensures accurate readings from 0 to 40°C
- Integrated Temperature Sensor - Built into probe for simultaneous oxygen and temperature readings
- Easy Calibration - Dedicated ZERO and CAL adjustment knobs for simple field calibration
- Pocket-Sized Design - Compact dimensions (131 × 70 × 25 mm) for portability
- Extended Probe Cable - 4-meter cable length for flexible measurement locations
- Clear Digital Display - Large 13 mm (0.5") LCD screen with 3½ digit readout
- Low Power Consumption - Approximately 3.5 mA for extended battery life
- Complete Package - Includes probe, carrying case, spare parts, and electrolyte solution
- Durable Construction - Robust design for field and laboratory use
Technical Specifications
Measurement Specifications
| Parameter | Specification |
|---|---|
| Measurement Range | Dissolved Oxygen: 0 to 20.0 mg/L |
| Resolution | 0.1 mg/L |
| Accuracy | ±0.4 mg/L (after calibration at 23±5°C) |
| Temperature Compensation | Automatic from 0 to 40°C |
| Sensor Type | Polarographic with integrated temperature sensor |
| Calibration Controls | ZERO knob, CAL knob |
General Specifications Lutron DO-5509 Pocket Dissolved Oxygen
| Parameter | Specification |
|---|---|
| Display | 13 mm (0.5") LCD, 3½ digits |
| Power Supply | 006P DC 9V battery (heavy duty) |
| Power Consumption | Approximately DC 3.5 mA |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Operating Humidity | Less than 80% RH |
Physical Specifications
| Parameter | Specification |
|---|---|
| Dimensions (Main Unit) | 131 × 70 × 25 mm (5.2 × 2.8 × 1.0 inches) |
| Dimensions (Oxygen Probe) | 190 mm × 28 mm diameter (7.5" × 1.1" diameter) |
| Probe Cable Length | 4 meters |
| Weight | 350 g (0.77 LB) - with probe & battery |
ApplicationsLutron DO-5509 Pocket Dissolved Oxygen
The Lutron DO-5509 is designed for a wide range of applications where dissolved oxygen measurement is critical:
- Aquaculture & Fish Hatcheries - Monitor oxygen levels for optimal fish health and production
- Aquarium Management - Maintain proper oxygen levels for aquatic life
- Environmental Monitoring - Assess water quality in lakes, rivers, and streams
- Wastewater Treatment - Monitor treatment process efficiency
- Medical Research - Support studies requiring precise oxygen measurements
- Agricultural Applications - Monitor irrigation water quality
- Mining Industry - Water quality assessment for mining operations
- Educational Settings - Laboratory demonstrations and student experiments
- Water Conditioning - Verify treatment system performance
- Quality Control - Process verification in industrial applications
Understanding Dissolved Oxygen Lutron DO-5509 Pocket Dissolved Oxygen
Dissolved oxygen (DO) is one of the most critical parameters in water quality assessment. It represents the amount of gaseous oxygen (O₂) dissolved in water and is essential for the survival of aquatic organisms and the overall health of water ecosystems. The DO-5509 measures this crucial parameter in milligrams per liter (mg/L), with key reference values including:
- 0-2 mg/L: Insufficient for most aquatic life; indicates severe pollution
- 2-4 mg/L: Supports only limited populations of aquatic life
- 4-7 mg/L: Supports warm-water fish populations
- 7-11 mg/L: Ideal for cold-water fish and most aquatic ecosystems
- 12+ mg/L: Supersaturated conditions (may occur in highly aerated waters)
Polarographic Measurement Technology Lutron DO-5509 Pocket Dissolved Oxygen
The DO-5509 utilizes polarographic sensor technology, which offers several advantages:
- Measurement Principle - Oxygen diffuses through a permeable membrane and is reduced at a cathode, generating a current proportional to oxygen concentration
- Stability - Provides reliable readings in various water conditions
- Industry Standard - Widely accepted methodology for DO measurement
- Temperature Integration - Built-in temperature sensor allows automatic compensation for temperature effects on oxygen solubility
Package Contents Lutron DO-5509 Pocket Dissolved Oxygen
The Lutron DO-5509 comes as a complete measurement system, including:
- DO-5509 Main Instrument - The pocket-sized meter unit
- Oxygen Probe (OXPB-09N) - Polarographic probe with integrated temperature sensor
- Spare Probe Head with Diaphragm Set (OXHD-04) - Two sets included for maintenance
- Probe-filling Electrolyte (OXEL-03) - For probe maintenance and refilling
- Carrying Case - For safe transport and storage
- Operation Manual - Comprehensive instructions for use and maintenance
Optional Accessories Lutron DO-5509 Pocket Dissolved Oxygen
- Replacement Oxygen Probe (OXPB-09) - For replacing the standard probe
- Additional Spare Probe Head with Diaphragm Set (OXHD-04) - For regular maintenance
- Additional Probe-filling Electrolyte (OXEL-03) - For continued probe maintenance
Maintenance & Calibration Lutron DO-5509 Pocket Dissolved Oxygen
To ensure accurate measurements, the DO-5509 features:
- Simple Calibration System - Dedicated ZERO and CAL adjustment knobs allow field calibration
- Replaceable Membrane Caps - Included spare diaphragm sets allow easy membrane replacement
- Refillable Electrolyte - Included electrolyte solution for probe maintenance
- Straightforward Maintenance - Simple procedures for keeping the probe in optimal condition
Operational Advantages Lutron DO-5509 Pocket Dissolved Oxygen
The DO-5509 offers significant benefits for professionals and technicians:
- Field Portability - Compact size and carrying case make it ideal for on-site measurements
- Long Probe Cable - 4-meter cable allows measurements at various depths and distances
- Battery Efficiency - Low power consumption extends operational time in the field
- Quick Response - Provides readings efficiently for multiple sampling locations
- Durable Construction - Built to withstand field use in various environments
- Clear Readings - Large LCD display ensures easy visibility of measurement values
- Complete Measurement System - All necessary components included for immediate use
Quality & Certification Lutron DO-5509 Pocket Dissolved Oxygen
The Lutron DO-5509 is manufactured under ISO-9001 quality management standards and meets CE certification requirements and IEC1010 safety standards. These certifications ensure reliable performance and accurate measurements for professional water quality assessment applications.
The Lutron DO-5509 Pocket Dissolved Oxygen Meter provides water quality professionals, researchers, and educators with a reliable, accurate, and portable solution for measuring this critical parameter in aquatic environments. Its combination of precision, ease of use, and comprehensive accessory package makes it an excellent choice for a wide range of dissolved oxygen measurement applications.
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