	Waterproof, dustproof housing that floats is certifiable to IP67 standards
	Replaceable sensor lets you reuse same meter body, saving you money
	Hold function, Auto-Off
	Automatic Temperature Compensation

Our waterproof microprocessor TDSTestrs and ECTestrs offer push-button calibration and ±1% accuracy in a rugged waterproof housing. Never worry about losing your tester in a pond or tank; these testers float!

Valox® housing and stainless steel electrodes offer good chemical compatibility. Replaceable sensors let you reuse meter body without losing waterproof protection.

Click below to download Acrobat (.pdf) file of:
Waterproof Microprocessor TDSTestrs and ECTestrs product bulletin
Waterproof Microprocessor TDSTestrs and ECTestrs manual
Tech tip: TDSTestr Comparison Chart

Measures	TDS or Conductivity
Range	TDSTestr Low: 0 to 1990 ppm TDSTestr High: 0 to 10.00 ppt ECTestr Low: 0 to 1990 µS ECTestr High:0 to 19.90 mS
Resolution	TDSTestr Low: 10 ppm TDSTestr High: 0.10 ppt ECTestr Low: 10 µS ECTestr High:0.10 mS
Accuracy	±1% full-scale
Calibration	One point push button
Waterproof/Dustproof (IP67)	Yes
ATC	Yes
Electrode	Replaceable
Operating Temperature	0 to 50°C (32 to 122°F)
Power	Four 1.5 V batteries
Battery life	140 hours continous use
Dimensions	6.5" x 1.5" dia (16.5 cm x 3.8 cm dia)
Shipping weight	4.5 oz (125 g)

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WaterproofMicroprocessor TDS Testers and EC Testers from Oakton Instruments

WaterproofMicroprocessor TDS Testers and EC Testers
from Oakton Instruments