เครื่องวัดกรด-ด่าง แบบปากกา (Waterproof Pocket Water Quality Meters)

รุ่น (Model) pH-11 pH-22 pH-33
Measurement Principle Glass Electrode
Minimum Sample Volume 0.1 ml (0.05 ml with Sampling Sheet B)
pH Range / Resolution 0.0 to 14.0 pH / 0.1 pH 0.00 to 14.00 pH / 0.01 pH
Accuracy ± 0.1 pH ± 0.01 pH
Maximum pH Calibration Points 2 3 5
mV Range / Resolution ± 650 mV / 1 mV
Temperature Display Resolution ¯ 0 to 500 °C / 0.1 °C
Functions
  • Automatic Buffer Recognition
  • Temperature Compensation
  • Temperature Calibration*
  • Auto Hold / Auto Stable
  • Automatic Power Off (30mins.)
  • Low Battery Indicator
  • IP67 Water / Dust Proof
  • Replaceable Sensor
Operating Temperature Humidity 5 to 40 ºC / 85% or less in relative humidity (no condensation)
Accessories included
  • pH 7.00 & 4.01 pH Buffers (14 ml each)
  • CR2032 Batteries (2)
  • Dropper
  • Instruction & Quick Manuals
  • Storage Cas