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 |