7-in-1 Water Quality Test Pen - Tester Measures Water by PH TDS EC ORP S.G Water Salinity Temp Light Bulbs & LEDs Number of Bulbs: 10

Number of Bulbs: 10

● Fix symptoms of: won't boot | won't shut down | won't roll over | shut down prematurely

not damage the surface

Function: Remote control with Power on/off

Size: 45 x 45 x 13mm

7-in-1 Water Quality Test Pen - Tester Measures Water by PH TDS EC ORP S.G Water Salinity Temp Light Bulbs & LEDs Number of Bulbs: 107 in 1 Water Quality Test Pen Tester Measures Water by PH TDS EC ORP S. G Water Salinity Temp Product Features: 7 in 1: The water quality test pen is a 7 in 1 style. PH, TDS, EC, salinity, ORP, temperature, SG can be measured simultaneously with high precision. The measurement range is large and wide, which can measure freshwater salinity and sea salt, and measure water quality in all directions to ensure healthy water quality. 1. PH value 0. 01 14.