Portable Multi-Parameter Water Quality Meter

GENERAL FEATURES: 

  • Automatic Temperature Compensation provides accurate readings
  • Auto-read function senses and locks the measurement endpoint
  • Calibration reminder
  • Auto-power off conserves battery life
  • Setup menu allows setting the number of calibration points, resolution, stability criteria, temperature unit, date and time etc
  • Reset function available to default instrument to factory settings
  • Expanded memory up to 500 readings
  • USB communication interface to transfer data

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FEATURES:

pH:

  • Equipped with a 3.5 inch backlit LCD display
  • 1 – 5 points calibration with automatic recognition for USA, NIST and DIN buffers
  • Automatic electrode diagnosis indicates pH slope and offset

 ORP:

  • 1 point offset calibration allows adjustment of displayed value to a known standard
  • Relative and absolute millivolt modes ensure reliable ORP measurements

Ion Concentration:

  • 2 – 5 point calibration, including the 8 concentration points, can be selected
  • Direct ion concentration readout simplifies the measurement process
  • Automatic electrode diagnosis shows calibration points and slopes
  • Selectable concentration units (ppm, mg/L, mol/L, mmol/L) and ionic valency

 Conductivity/TDS/Salinity/Resistivity:

  • 1 -5 points calibration with automatic recognition for conductivity standards
  • Selectable cell constant, reference temperature, TDS factor, linear and pure water compensation, seawater and practical salinity measurement modes
  • Automatic electrode diagnosis shows the calibration points and factors

Dissolved Oxygen:

  • 1 or 2 points calibration using the air-saturated water or zero oxygen solution
  • Salinity and barometric pressure compensation ensures accurate readings

MODEL SPECIFICATIONS: 

Model MA-PH900P
 

 

pH

 Range -2.000～20.000pH
Resolution 0.001, 0.01, 0.1pH, selectable
Accuracy ±0.002pH
Calibration Points 1～5 points
pH Buffer Options USA, NIST, DIN, 2 custom buffers
 

ORP

 Range ±1999.9mV
Resolution 0.1, 1mV, selectable
Accuracy ±0.2mV
Calibration Points 1 point
 

 

Ion

 Range 0.001～19999 (Depending on range of ISE)
Resolution 0.001, 0.01, 0.1, 1
Accuracy ±0.5% F.S (Monovalent), ±1% F.S (Divalent)
Calibration Points 2 to 5 points (0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000)
Measurement Units ppm, mg/L, mol/L, mmol/L
 

 

 

 

Conductivity

 Range 0.1～2μS/cm (CON-0.1, optional), 2～20mS/cm (CON-1, standard), 20～200mS/cm (CON-10, optional)
Resolution 0.001, 0.01, 0.1, 1
Accuracy ±0.5% F.S
Calibration Points 1～5 points
Calibration Solutions 10μS/cm, 84μS/cm, 1413μS/cm, 12.88mS/cm, 111.8mS/cm
Temp. Coefficient Linear (0.0～10.0%/°C), pure water
Cell Constant K=0.1, 1, 10 or custom
Reference Temp. 20/25°C
 

 

TDS

 Range 0～10.00, 100.0, 1000ppm, 10.00, 200.0ppt
Resolution 0.01, 0.1, 1
Accuracy ±1% F.S
TDS Factor 0.1～1.0 (default 0.5)
 

Salinity

 Range 0.00～42.00psu, 0.00～80.00ppt
Resolution 0.01
Accuracy ±1% F.S
 

Resistivity

 Range 0.00～20.00MΩ
Resolution 0.01
Accuracy ±1% F.S
 

 

 

Dissolved Oxygen

 Range 0.00～20.00mg/L, 0.0～200.0% saturation
Resolution 0.01mg/L, 0.1%
Accuracy ±0.2mg/L, ±2.0%
Calibration Points 1 or 2 points
Barometric Pressure Correction 60.0～112.5kPa/450～850mmHg, manual
Salinity Correction 0.0～50.0g/L, manual
 

 

 

Others

 Temp. Compensation 0～100°C/32～212°F, manual or automatic
Memory 500 data sets, USB communication interface
Power Requirements 3 x 1.5V “AA” batteries or DC5V power adapter
Dimensions (W*D*H) mm 170*85*30
Package Size (W*D*H) mm 475*155*350
Net Weight (g) 300
Gross Weight (kg) 2

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