[ใหม่] EC-TDS meter HM Digital กันน้ำเข้า100%

COM-100: Waterproof EC / TDS / Temp Combo Meter

PECIFICATIONS

EC Range: 0 - 9990 µS;
TDS Range: 0 - 8560 ppm (mg/L);
Temperature Range: 0-80 °C; 32-176 °F
Resolution: 0-99: 0.1 µS/ Temp. resolution is 0.1 °C/F
Accuracy: +/- 2%

TDS Conversion Factor: Non-linear conversions for KCl, 442^TM or NaCl solutions, selected by the user.
Calibration: Digital calibration by push button.
Probe: Detachable platinum electrodes
Housing: IP-67 Waterproof (submersible; floats)
Power source: 3 x 1.5V button cell batteries (included)  (model 357A)
Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)
Weight: 90.7g (3.2 oz)