New Portable Chlorine Meter 2/3/4/5 in 1 Water Quality Tester CL2 TEMP pH H2 ORP Measuring Pen For Aquarium Swimming Pool

Battery Included : No High-concerned chemical : None Is Smart Device : No Model Number : Water Quality Testing Pen Display Type : DIGITAL Origin : Mainland China Battery : 3*1.5V(LR44) (Not included) Waterproof class : IP65 Working environment : 0-60°C(32.0-140.0°F) RH: 100% Backlight : LCD screen backlit display Automatic shutdown : Five minutes Screen size : 28*20mm Display mode : Liquid crystaldigital display

New Portable Chlorine Meter 2/3/4/5 in 1 Water Quality Tester CL2 TEMP pH H2 ORP Measuring Pen For Aquarium Swimming Pool Battery:1.5V(LR44) (Not included) Parameter: pH Measuring range: 0~14.00pH Resolution: 0.01 pH Accuracy: ±0.01pH Temperature compensation: 0~60℃(Auto)

ORP Measuring range: ±1999mV Resolution: 1mV Accuracy: ±2mV

CL2 Measuring range: 0.01~4.00ppm (Total residual chlorine) Resolution: 0.01ppm Accuracy: ±10% reading value, ±0.01ppm Temperature compensation: 0~60℃(Auto)

H2 Measuring range: 0~10000ppb (0.001~10.000ppb) Resolution: 2ppb (0.002ppb) Accuracy: ±10ppb (±0.01ppb) Temperature compensation: 0~60℃(Auto)

TEMP Measuring range: 0~60℃ Resolution: 0.1℃ Accuracy: ±0.1℃ 2 in 1 CL TEMP Testing Pen 3 in 1 CL H2 TEMP Testing Pen 4 in 1 CL H2 ORP TEMP Testing Pen 5 in 1 CL H2 ORP pH TEMP Tseting Pen