Model: TD30 dissolved oxygen testing pen

Measurement range: 0.00-20.00mg/L; 0.0-200.00%

Resolution: 0.01mg/L; 0.1%

Accuracy: ± 0.5mg/L

Calibration: 1 or 2 points (0% anaerobic or 100% saturated oxygen)

Electrode: replaceable dissolved oxygen electrode (primary battery)

Temperature measurement range: 0-100.0 ℃/32-212 ℉

Operating temperature range: 0-60.0 ℃/32-140 ℉

Display screen: 20 * 30mm multi line LCD display screen

Temperature compensation: ATC automatic/MTC manual

Protection level: IP67

Power supply: 1X1.5VAAA battery

Size: (H × W × D) 180 × 40 × 45mm

Weight: 90g

Automatic backlight: 1 minute/min

Automatic shutdown: 10 minutes/min