GAOTek Portable pH Meter

This Portable pH Meter has temperature range of 23 ºF to 230 ºF, pH range of -2.00 pH to 20.0 pH and 5 V lithium battery power supply.

GAOTek-PHM-180

Description

Features

  • LCD display screen, 3.5 in (88.9 mm)
  • Multi-reading feature allows auto-reading, timed-reading and continuous-read
  • Automatic/Manual temperature compensation ensures accurate results
  • Auto-hold features senses and locks the measurement endpoint
  • Data capacity of up to 500 sets for each parameter (GLP-compliant)
  • Support for USB communication
  • Auto-power off feature effectively extends the battery service life
  • Reset feature automatically resumes settings back to default options
  • IP65 waterproof
  • 1 point to 5 points calibration with Standard Recognition
  • Selectable pH buffer groups, including NIST, DIN, GB
  • Automatic electrode diagnosis with pH slope and offset display
  • 1 point to 5 points calibration
  • Selectable measurement unit
  • Measurement modes are supported
  • Over 10 methods are built-in
  • 1 point to 3 points calibration with Standard Recognition
  • Settable parameters
  • Temperature compensation type (none, linear, pure water)
  • Support for air-saturated water or zero oxygen calibration
  • Auto barometric pressure compensation
  • Manual Salinity Factor Correction
  • Selectable pressure unit

 

Technical Specification

pH Range -2.00 pH to 20.0 pH
Resolution 0.1 pH, 0.01 pH
Accuracy ±0.01 pH
Calibration Points Up to 5
Standard Customization Yes
Standard Recognition NIST, GB and DIN buffers
Slope Limit Yes
mV Range -2000.0 mV to 2000.0 mV
Resolution 0.1
Accuracy ±0.3 mV or ±0.1%
pX Range -2.00 to 20.00
Resolution 0.1 pX, 0.01 pX
Accuracy ±0.01 pX
Calibration Points Up to 5
ISE Range 1 E to 9 to 9.999 E 9
Units mol/L, mmol/L, g/L, mg/L, μg/L
Resolution Up to 4 significant digits
Accuracy ±0.5%
Calibration Points Up to 5
Conductivity Range 0.000 μS/cm to 500 mS/cm
Resolution 0.001 μS/cm minimum, various with range selection
Accuracy ±1.0% FS
Reference Temperature 68 °F (20 ºC), 77 °F (25 ºC)
Calibration Points Up to 3
Standard Recognition 84 μS/cm, 1413 μS/cm, 12.88 mS/cm
Resistivity Range 5.00 Ω·cm to 20.00 MΩ·cm
Resolution 0.01 Ω·cm minimum
Accuracy ±1.0% FS
TDS Range 0.00 mg/L to 300 g/L
Resolution 0.01 mg/L minimum, various with range selection
Accuracy ±1.0%
Salinity Range 0.00% to 8.00%
Resolution 0.01%
Accuracy ±0.2%
Dissolved
Oxygen Concentration
Range 0.00 mg/L to 50.00 mg/L
Resolution 0.01 mg/L
Accuracy ±0.1 mg/L
Calibration Points Air-saturated water or zero point
Barometric Compensation Yes
Manual Salinity Factor Correction Yes
Saturation Range  0.0% to 300.0%
Resolution 0.1%
Accuracy ±10.0%
Temperature Range 23 ºF to 230 ºF (-5 ºC to 110 ºC)
Unit ºC, ºF
Resolution 0.1
Relative Accuracy ±0.2
Measurement Reading Mode Auto Read (Fast, Medium, Slow), Timed, Continuous
Reading Prompts Reading, Stable, Locked
Temp. Compensation ATC, MTC
Display options Backlight Yes
Auto Shutdown 300, 600, 1200, 1800, 3600 sec., off
IP Rating IP 65
Date and Time Yes
General Power Rechargeable Lithium battery, AC Adapter, 100 V to 240 V AC input, DC 5 V output
Dimensions & Weight 3.14 in x 10 in x 1.37 in (80 mm × 255 mm × 35 mm) & 0.88 lb (400 g)

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