Moobody Portable Water Quality Detector 6 in 1 PH EC Total Dissolved Solids ORP Temperature Chlorine Multi-Function Water Quality Tester BT Mobilephone APP Remote Viewing LCD With Backlight Display
Oakton TDS 6+ Handheld Total Dissolved Solids Meter With Probe, -10 To 110°C Temperature Range And 0 To 10.00, 10 To 100.0, 100 To 1000 Ppm 1.00 To 10.00, 10.0 To 100.0, Up To 200.0 Ppt TDS Range - WD-35604-20