	Waterproof, dustproof housing floats!
	Double junction electrode is ideal for dirty water, heavy metals, sulfides and organics
	Replaceable sensor lets you reuse same meter body, saving you money
	Push-button ±150 mV offset adjustment
	HOLD feature, Auto-off

You’ll never loose this tester by dropping it into a tank or pond; the waterproof ORPTestr floats! IP67-rated housing protects the instrument from rugged field and plant environments.

Replaceable sensor lets you reuse meter body many times without losing waterproof and dustproof protection. Push-button calibration lets standardize tester in calibration solutions, or making it agree with an established work standard. Large surface area platinum band sensor gives a faster, more stable response.

Click below to download Acrobat (.pdf) file of:
Waterproof Double Junction ORPTestr product bulletin
Waterproof Double Junction ORPTestr manual
Tech Tip: Introduction to ORP
Tech Tip: Conditioning ORPTestr for Maximum Response
Tech Tip: Calibrating ORP Measurement SystemsW

Range -99 to +1000 mV

Resolution 1 mV

Accuracy ±2 mV

Calibration Offset up to ±150 mV

Electrode Replaceable double junction

Waterproof/Dustproof (IP67) Yes

Operating Temperature 0 to 50°C (32 to 122°F)

Power Three 1.5 V batteries

Battery life 100 hours continuous use

Dimensions 6.5" x 1.5" dia (16.5 x 3.89 cm)

Shipping weight 4.5 oz (125 g)

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Waterproof Double Junction ORP Tester from Oakton Instruments

Waterproof Double Junction ORP Tester
from Oakton Instruments