Extech PH50 Waterproof pH Pen

PH50 Waterproof pH Pen by Extech

Features

• Waterproof housing (meets IP67) protects meter from damage operating in a wet environment
• Easy to calibrate single CAL key with automatic pH buffer recognition (4, 7, and 10pH)
• Choice of 3 point calibration for better accuracy
• Convenient pen size fits into your pocket
• Data hold freezes reading on display
• Low battery indicator
• Auto power off saves battery life with disable function option
• Complete with built in electrode, sensor cap, inner pH electrode protection cap, and 4 LR44 button batteries
• pH range: 2 to 12pH