Waterproof TDS test pen TDSTestr11+

Waterproof TDS test pen TDSTestr11+Technical specifications:
Measurement parameters: TDS/temperature
●TDS
Range: 0 to 100.0/0 to 1000ppm
0 to 10.00 ppt
Resolution: 0.1/1ppm 0.01ppt
Accuracy: ± 1% of full scale
● Calibration point: Manual at 3 o'clock
● Temperature
Range: 0 to 50.0 ℃
Resolution: 0.1 ℃
Accuracy: ± 0.5 ℃
ATC: Yes (0 to 50 ℃)
● Electrode type: cup-shaped design
Standard temperature: 25 ℃
Temperature coefficient: 2%/℃
● Automatic shutdown: 8.5 minutes after the last button operation
Operating temperature: 0 to 50 ℃
LCD display: dual row LCD display, lower row temperature 2.7cm (H) * 2.1cm (W)
● Power supply: 4 1.5V button batteries
● Battery life: greater than 150 hours
● Size/Weight: 16.5 * 3.8cm/90g
&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp 22*6.5*5cm/200g