Dissolved Oxygen Meter Professional Digital Pen Type Dissolved Oxygen Test 0.0-40.0mg/L Dissolved Oxygen Detector for for Aquarium Aquaculture

Key Benefits

• 💧 Measurement Range — Measures dissolved oxygen levels from 0.0-40.0 mg/L across freshwater aquaculture, marine aquaculture, swimming pools, beverage factories, sewage treatment plants, and laboratories.
• 📊 Digital Display with Backlight — Features a backlit digital screen that makes data reading clearer and more convenient.
• ⚡ Fast Response Time — Delivers quick test results with high precision for immediate dissolved oxygen assessment.
• 📏 Pen-Type Design — Compact pen-shaped form factor that is light and portable for testing water anywhere.
• 🌡️ Automatic Temperature Compensation — Automatically compensates for solution temperatures between 0-40°C to ensure accurate and stable readings.
• ✅ Dual Calibration Options — Supports single-point or double-point automatic calibration, including zero point or automatic 100% calibration in air.