Portable Multiparameter Water Quality Meter

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Portable Multiparameter Water Quality Meter

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pH Mode:
Up to 5 points push-button calibration with auto-buffer recognition.
selectable pH buffer standards, resolution and temperature units.
Automatically calculates and  displays electrode slope  that helps youdecide whether to replace pH electrode.
ORP Mode:
Single point  offset calibration allows user  adjusts displayed value toa known standard.
Absolute or Relative  mV measurements provides accurate readings.
Ion Mode:
Standard BNC connector can connects many Ion selective Electrode.
2 to 5 points push-button calibration from low to high concentrations.
selectable multiple concentration units, including ppm, mg/L, mol/L.
Direct readout ion concentration simplifies measurement process.
mV measurement allows user to check performance of ion electrode.
Conductivity/TDS/Salinity Mode:
Up to 5-point push-button calibration allows user to uses customizedcalibration solutions.
Adjustable TDS factors, cell constants, temperature coefficients andnormalization temperature.
selectable linear or pure water compensation modes.
In salinity measurement modes, selectable practical salinity (PSU) orseawater measurement standard (ppt).  
Dissolved Oxygen Mode:
1 or 2 points auto-calibration (100% in saturated air or air-saturatedwater, 0% in zero oxygen solution).
Manual salinity and barometric pressure compensation.
selectable readout in ppm, mg/L or percentage saturation.
General Features:
Automatic Temperature Compensation  (ATC)  ensures highlyaccurate measurements over the entire range.
Calibration due reminder helps you to calibrate meter regularly.
Automatic endpoint function freezes stable measured values.
Help message as a operational guide to helps you understandhow to use meter.
Setup menu lets user customize the calibration points, stabilityconditions, date and time to meet  measurement requirements.
Expanded memory stores and recalls up to 500 readings.
Built-in real-time clock stamps stored data to meets GLP.
Stored data can be transferred into PC via USB communication interface.  




Model PH900P
pH Range -2.000~20.000pH
pH Accuracy ±0.002pH
Resolution 0.001, 0.01, 0.1pH, selectable
Calibration Points Up to 5 points
Calibration Solutions USA(pH1.68/4.01/7.00/10.01/12.45), NIST(pH1.68/4.01/6.86/9.18/12.45), DIN(pH1.09/4.65/6.79/9.23/12.75)
Ion Concentration Range 0.001~19999ppm, mg/L, mol/L (Depending on measuring range of Ion selective Electrode)
Ion Concentration Accuracy ±0.5% Full Scale (Monovalent), ±1% Full Scale (Divalent)
Calibration Points 2 to 5 points
Calibration Solutions 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm, mol/L, mg/L
mV Range -1999.9~1999.9mV
mV Accuracy ±0.2mV
Resolution 0.1, 1mV, selectable
Conductivity Range 0~20mS/cm (Max.200mS/cm)
Conductivity Accuracy ±0.5% Full Scale
Calibration Points Up to 5 points
Calibration Solutions 10uS/cm, 84uS/cm, 1413uS/cm, 12.88mS/cm, 111.8mS/cm
TDS Range 0~10ppt (Max. 20ppt, Depending on factor setting)
TDS Accuracy ±1% Full Scale
TDS Factor 0.1~1.0 (Default 0.5)
Salinity Range 0~10ppt (Max.80ppt)
Salinity Accuracy ±1% Full Scale
Salinity Measurement Modes Practical Salinity (PSU) or Seawater Measurement Standard (ppt)
   Resistivity Range 0~100MΩ
   Resistivity Accuracy ±1% Full Scale
   Resolution 0.001, 0.01, 0.1, 1, Automatic
   Temperature Coefficient 0.0~10.0% per °C
   Compensation Modes Linear or Pure Water
   Cell Constant K=0.1, 1, 10, selectable 
   Normalization Temperature 20°C or 25°C
   Dissolved Oxygen Range 0.00~20.00mg/L or ppm
   Resolution 0.01, 0.1mg/L, selectable
   Dissolved Oxygen Accuracy ±0.2mg/L (Calibration and measurement under the conditions of same temperature)
   % Saturation of Oxygen 0.0~200.0%
   Accuracy ±2.0%
   Salinity Correction 0~50g/L
   Pressure Correction 60.0~112.5kPa, 450~850mmHg
   Temperature Range 0~105°C, 32~221°F
   Temperature Accuracy ±0.5°C, ±0.9°F
   Temperature Calibration Manual
   Temperature Compensation 0~100°C, 32~212°F, Automatic or Manual; DO Mode: 0~50°C, 32~122°F, Automatic
   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 to 30 days
   Reset Function Yes
   Memory 500 data sets with Date/Time stamping
   Output USB Communication Interface
   Connector BNC and 6-pin connector
   Power Requirements 3×1.5V "AA" Batteries
   LCD Display Custom dual-display LCD (130×110mm)
   Dimensions 170(L)×85(W)×30(H)mm
   Weight 300 grams
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