Note: For now, we only accept orders within Philippines.
  • Easy to use, rugged pH pen with 2 to 12pH range
  • Waterproof pH Pen
PH50: Waterproof pH Pen
Extech - Lab Instruments - pH/ORP Meters - PH50 Features:
  • pH range: 2 to 12pH
  • LCD displays pH eadings
  • Easy to calibrate single CAL key with automatic pH buffer recognition (4, 7, and 10pH)
  • Choice of 3 point calibration for better accuracy
  • Data hold freezes reading on display
  • Low battery indicator, Auto power off
  • Complete with built in electrode, sensor cap, inner pH electrode protection cap, and 4 LR44 button batteries