As an example, reverse osmosis purified water will have a TDS between 0 and 10, whereas tap water will vary between 20 and 300. Displays TDS levels of the feed water and product water with in & out electrode probes.
eBay
Yieryi Soil EC Tester 0.00~10.00mS/cm Conductivity Soil EC PH Meter Detachable Probe Automatic
Aliexpress UK
UK, B#13, Bought from new and never used. The only time it has been powered up is for the photos in this ad. Stored in an office environment.
eBay
EC-963 EC Meter LED Digital Tester ATC Conductivity Water Quality Monitor 0 ~ 19.99 ms/cm for
Aliexpress UK
MV SUPPLIERS all kind of Rig Ship and Marine Spares, Antiques and Electrical supplies of all Major Brands" One stop place for all your Ship Spares requirements at the competitive rates and better service among the market. Our prime moto is to serve customer with best possible service and competitive pricing. All Inquires will be answered within 24 hours, feel free to contact us for any of your Marine Products Requirements. we accept payment through PayPal. Note: Any Customs duty/Taxes at destination airport is sole responsibility of buyer only. .
eBay
Digital EC/Temp Soil Tester 0.00~10.00mS/cm Conductivity Meter High Accuracy Sensor with ATC for
Aliexpress UK
Temp & Temp.
eBay
TDS&EC Tester 3 In1 TDS/Temp/EC Meter 0-9990ppm Conductivity Detector Water Quality Monitor Purity
Aliexpress UK
As an example, reverse osmosis purified water will have a TDS between 0 and 10, whereas tap water will vary between 20 and 300. Displays TDS levels of the feed water and product water with in & out electrode probes.
eBay
PH Buffer 12.88 MS/Cm Conductivity Salinity Calibration Solution 25Ml Buffering PH Meter Measuring
Aliexpress UK
Analog TDS Sensor TDS Meter Water Conductivity Sensor Tester Liquid Detection Water Quality
Aliexpress UK
3 in 1 Digital Water Quality Tester Drinking Water Purity EC Meter Temperature Conductivity High
Aliexpress UK
5 In 1 Digital PH TDS EC Meter Salinity Temperature Tester Conductivity Water Filter Purity Pen with
Aliexpress UK