Bút kiểm tra chất lượng nước, đo độ mặn nước 5 là 1 pH/TDS/EC/độ mặn/nhiệt độ, kèm theo 3 gói pH tiêu chuẩn

EZ9901 Digital TDS Meter 3 in 1 TDS/PH&TEMP Tester Pen Handheld Water Quality

100% brand new and high quality

Features:

Measures Potential Hydrogen(pH), Electrical Conductivity(EC), Total Dissolved Solids(TDS), and Temperature simultaneouly.

pH: 1, 2, 3 Point Automatic Calibration

Automatic Temperature Compensation(ATC)

Replaceable Sensor

Auto-off Function, Data-hold Function and Low Battery Indicator

Accuracy--pH: ±0.05pH; TEMP: 0.05℃; EC: ±2%; TDS: ±2%

Resolution--pH: 0.01pH; EC: 1us/cm; TDS: 1ppm

Note:

Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.

Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:

1 x PH Meter

2 x Calibration packets （4.00+6.86 pH Buffer Powder)

1 x User's manual