Search This Site

(Search by Product Type i.e. Level or Brand Name i.e. Walchem)

Big Display Plus Series ECTestrs and TDSTestrs
from Oakton Instruments

USA Toll Free: 1-800-730-0302 Tel: 416-240-1920 -

Big Display Plus Series ECTestrs and TDSTestrs

Big,Display,TDS Testers,EC Testers,Oakton,InstrumentsUnique cup-style sensor ideal for collecting sample for reading

  • Simultaneous display of conductivity or EC along with temperature

Never watch a tester sink to the bottom of your tank or pond! These waterproof testers float, so there’s no need to worry. Valox® housing and stainless steel electrodes offer good chemical compatibility and durability.

All waterproof TDSTestrs have replaceable sensors. Reuse the meter body many times without losing waterproof and dustproof protection. All Oakton testers come with protective plastic storage case.

Big Display ECTestrs and TDSTestrs


TDSRange TDSTestr+ Pure: 0 to 199.9 ppm TDSTestr+ Low: 0 to 1999 ppm TDSTestr+ High: 0 to 10.00 ppt ECTestr+ Pure: 0 to 199.9 µS ECTestr+ Low:0 to 1999µS ECTestr+ High: 0 to 19.99 mS
TDSResolution TDSTestr+ Pure: 0.1 ppm TDSTestr+ Low: 1 ppm TDSTestr+ High:0.01 ppt ECTestr+ Pure: 0.1 µS ECTestr+ Low:1 µS ECTestr+ High: 0.01 mS
Accuracy +/-1% full-scale
Calibration One point push button
Temperature Yes. Displays in ºC or ºF
Waterproof/Dustproof (IP67) Yes
Electrode Replaceable
Operating Temperature 0 to 50ºC (32 to 122ºF)
Power Four 1.5 V batteries
Battery life 100 hours continous use
Dimensions 6.5" x 1.5" dia
Shipping weight 4.5 oz



About Us

Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


Our Products

Dataloggers, sensors, pumps, recorders, hand held instruments, flow instrumentation, level controls, valves, instrumentation, containers, tanks, transmitters, data loggers, digital indicators, mixers and agitators, pressure intrumentation, analyzers and controllers for a variety of industrial applications such as water quality, pH/ORP and more.

Website Content

Water Analyzers and Controllers, Wireless Products, Corrosion Monitoring Equipment, Cooling Tower and Boiler Controllers, a wide variety of Pumps, Valves, Dataloggers and Recorders, HVAC, Instrumentation, Skids and Systems, Containers and Tanks from world leading manufacturers are products you will find on this site.

Get in Touch