GAOTek Portable Digital pH Meters

This Portable Digital pH Meters has temperature range of 32 °F to 221 °F, pH range of -2.00 pH to 20.0 pH and 3 1.5 V “AA” batteries.

GAOTek-PHM-184

Description

Features

  • Automatic Temperature Compensation provides measured values
  • Calibration Due Reminder prompts user to calibrate meter regularly
  • Stability indicator automatically shows current measurement status
  • Auto-Hold function freezes stable reading for easy viewing
  • Manual temperature calibration improves measurement accuracy of meter
  • Selectable temperature unit (°C or °F) meets different application requirements
  • Automatic electrode diagnosis shows offset and electrode slope
  • System menu allows setting the 10 parameters
  • Reset feature automatically resumes parameters back to default options
  • Expanded memory stores and recalls up to 500 readings
  • Built-in real-time clock stamps stored data to meet GLP standard
  • Stored data can be transferred into computer by USB communication
  • 2 to 5 points calibration providing the 8 concentration points can be selected
  • Automatically recognize ion electrodes, does not need to specify ion
  • Direct ion concentration readout simplifies measurement process
  • Selectable multiple concentration units
  • 1 point offset calibration allows adjusting the displayed value
  • Relative and absolute mV measurement modes provide readings
  • 1 to 5 points push-button with auto-buffer recognition
  • Selectable pH buffer options or using the custom calibration solutions
  • Automatic electrode slope display helps user to replace sensor

 

Technical Specification

 pH Range -2.000 pH to 20.000 pH
   pH Accuracy ±0.002 pH
   Resolution 0.001 pH, 0.01 pH, 0.1 pH, Selectable
   Calibration Points Up to 5 points
  Calibration Solutions USA (pH 1.68 / 4.01 / 7.00 / 10.01 / 12.45), NIST (pH 1.68 / 4.01 / 6.86 / 9.18 / 12.45),
DIN (pH 1.09 / 4.65 / 6.79 / 9.23 / 12.75)
Ion Concentration Range 0.001 ppm to 19999 ppm, mg/L or mol/L
   Ion Concentration Accuracy ±0.5% Full Scale (Monovalent), ±1% Full Scale (Divalent)
   Calibration Points 2 points to 5 points
  Calibration Solutions 0.001 ppm, 0.01 ppm, 0.1 ppm, 1 ppm, 10 ppm, 100 ppm, 1000 ppm, 10000 ppm, mol/L, mg/L
   mV Range -1999.9 mV to 1999.9 mV
   mV Accuracy ±0.2 mV
   Resolution 0.1 mV, 1 mV, Selectable
   Temperature Range 32 °F to 221 °F (0 °C to 105 °C)
Temperature Accuracy ±0.9 °F (±0.5 °C)
Temperature Calibration Manual
Temperature Compensation 32 °F to 212 °F (0 °C to 100 °C), Automatic or Manual
   Auto-Off Manual or Automatic (10, 20, 30 minutes after last key pressed, Selectable)
   Hold Function Manual or Automatic
   Stability Conditions Low or High, Selectable
Calibration due reminder 0 days to 30 days
   Reset Function Yes
   Memory 500 data sets with Date/Time stamping
   Output USB Communication Interface
   Connector BNC
  Power Requirements 3 × 1.5 V “AA” Batteries
   Battery Life Approximately 150 hours
   Dimensions 6.69 in x 3.34 in x 1.18 in (170 mm × 85 mm × 30 mm)

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