Model: TF30 residual chlorine testing pen

Measurement range: 0.00-10.00mg/L

Resolution: 0.01mg/L

Accuracy: ± 2% F.S

Calibration: 2 points (0, any point)

Electrode: replaceable membrane free residual chlorine electrode

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