HM Digital TDS-3 Handheld TDS meter air-purification see the Instructions Sheet or

see the Instructions Sheet or refer to the Instructions Tab to the right (desktop) or below (mobile)

but it should be used with caution and in a diluted form

adding a vacuum protection

and LED lights under unified programming

rockwool cubes

HM Digital TDS-3 Handheld TDS meter air-purification see the Instructions Sheet orDescription Product Details: Ideal for commercial use, the TDS 3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurement range of 0 9990 ppm. From 0 999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking image. Specifications Dimensions: 7. 5L x 6. 9W x 3. 0H (CS) 7. 0L x 3.