• Waterproof Testers
• Replaceable Electrode
• Microprocessor Based
• Auto Calibration
• Great Accuracy
• Unique Electrode design
• Self-Diagnostic Messages
• Hold Function
• Auto-Off

You do not need to worry if you drop the waterproof OAKTON pHTestr 1 in a tank or pond— it floats! The pHTestr 1 can also be certified to meet IP67 ratings for dustproof and waterproof ingress protection.The Waterproof pHTestr 1 is the perfect tool for quick, routine pH testing without ATC. The replaceable electrode lets you reuse the Testr body many times over.

Ideal for quick checks of pH for all water and industrial applications. These rugged instruments provide rapid and reliable readings with excellent repeatability. Single junction electrodes are for clean water applications, and Double Junction provides extra protection in dirty water and industrial liquid applications.

Specifications
Model: PT-35634-00 / PT-35624-03
Range: -1.0 to 15.0 pH
Resolution: 0.1 pH
Accuracy: ±0.2 pH
Calibration: One point at 4.0, 7.0, 10.0
Electrode: Replaceable single junction
Waterproof (IP67): Yes
Power: Three 1.5 V batteries
Dimensions: 6.5" x 1.5" dia (16.5 cm x 3.8 cm dia)