Set 7 In 1 and 5 in 1 PH Meter TDS/EC/Salt/Temp Water Quality Monitor Tester Pen Bird featuring three levels of heating

featuring three levels of heating hot compression

it has enough output to air up four 35 in

Excellent ventilation and climate control

Internal hard disk for video storage (1TB Hard disk included)

Grams per Square meter: 700

Set 7 In 1 and 5 in 1 PH Meter TDS/EC/Salt/Temp Water Quality Monitor Tester Pen Bird featuring three levels of heatingFeature: Multi functional water quality test pen, which can measure ph pH, solubility, EC conductivity, salinity and temperature. (Sea salt fresh water salt) It is a waterproof water quality test pen with five functions. It has high performance, pen design and fast numerical value. Parameters: Sea salt: Sea water salinity is the ratio of total dissolved solids to the weight of sea salt in sea water, usually expressed in grams per kilogram of sea