Description

DO9100 Digital Pen Type Dissolved Oxygen Analyzer Portable Meter Water Quality DO Tester

The DO9100 dissolved oxygen meter is a compact, portable digital pen-type instrument designed for quick and accurate measurement of dissolved oxygen levels in water. With a measurement range of 0.0–40.0 mg/L (and 0–300% saturation), automatic temperature compensation (ATC), and IP67 waterproof rating, this reliable DO tester is perfect for aquaculture, aquariums, ponds, wastewater treatment, laboratories, and environmental field testing.

Specifications

• DO Concentration Range: 0.0–40.0 mg/L (resolution: 0.1 mg/L)
• DO Saturation Range: 0.0–300.0% (resolution: 0.1%)
• Temperature Range: 0–40°C (32–104°F) (resolution: 0.1°C/°F)
• Accuracy: DO ±1.5% F.S.; Temperature ±0.5°C
• Calibration: Single-point (zero oxygen) or dual-point (zero + 100% in air) automatic
• Response Time: ≤45 seconds (90% at 20°C)
• Compensation: Automatic temperature (0–50°C); no salinity/pressure compensation
• Display: LCD with optional backlight
• Power: 3 × 1.5V LR44 button batteries; low battery indicator; auto shut-off (~15 minutes)
• Dimensions/Weight: ~183 × 37 × 37 mm / ~80g
• Probe: Polarographic film-covered electrode (includes filling fluid for maintenance)

Features & Benefits

• Compact pen shape for easy portability and field use
• Quick, stable readings with fast response
• Waterproof housing for rugged environments
• Measures DO in mg/L or % saturation, plus temperature
• Often includes electrode filling fluid and calibration accessories

 

 

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