DISSOLVED OXYGEN TESTER

DO Range: 0.0~20.0mgfLor ppm DO Resolution: 0.1mg/L DO Accuracy: ±0.5mg/L Saturation Range: 0.0-200.0% Saturation Resolution: 0.001 Saturation Accuracy: ±2.0% Calibration Points: 1or2 points Temperature Compensation: 0~40°C/32~104°F, automatic Barometric Pressure Correction: 450~850mmHg, manual Salinity Correction: 0~35g/L, manual Hold Function: Manual or auto-endpoint Auto-O: 8 minutes after last key pressed Operating Temperature: 0~50°C Display: Dual-line LCD (21x 21mm) Power Requirements: 2x1.5V AAA batteries Battery Life: Approximately 200 hours of continuous use Dimensions: 175 (L) x40 (Dia.) mm Weight: 100g