pH Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>pH range </td> <td style=min-width:50px>-2.00 to 20.00 pH</td> </tr> <tr> <td style=min-width:50px>pH Accuracy </td> <td style=min-width:50px>± 0.002 pH</td> </tr> <tr> <td style=min-width:50px>pH Resolution </td> <td style=min-width:50px>0.1/0.01/0.001 pH, selectable</td> </tr> <tr> <td style=min-width:50px>pH Calibration Points </td> <td style=min-width:50px>1 to 5 Points</td> </tr> <tr> <td style=min-width:50px>pH Buffer Solutions </td> <td style=min-width:50px>USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers</td> </tr> </table>
mV Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>mV Range </td> <td style=min-width:50px>-1999.9 to 1999.9 mV</td> </tr> <tr> <td style=min-width:50px>mV Accuracy </td> <td style=min-width:50px>± 0.2 mV</td> </tr> <tr> <td style=min-width:50px>mV Resolution </td> <td style=min-width:50px>0.1/1 mV, selectable</td> </tr> <tr> <td style=min-width:50px>mV Calibration Points</td> <td style=min-width:50px>1 Point</td> </tr> </table>
Conductivity Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>Conductivity Range </td> <td style=min-width:50px>0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm</td> </tr> <tr> <td style=min-width:50px>Conductivity Accuracy </td> <td style=min-width:50px>± 0.5% F.S.</td> </tr> <tr> <td style=min-width:50px>Conductivity Resolution</td> <td style=min-width:50px>0.01/0.1/1</td> </tr> <tr> <td style=min-width:50px>Conductivity Calibration Points</td> <td style=min-width:50px>1 to 5 Points</td> </tr> <tr> <td style=min-width:50px>Conductivity Solutions</td> <td style=min-width:50px>10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm</td> </tr> <tr> <td style=min-width:50px>Conductivity Temperature coefficient </td> <td style=min-width:50px>0.0 to 10.0 %/°C</td> </tr> <tr> <td style=min-width:50px>Compensation mode </td> <td style=min-width:50px>Linear or Pure Water</td> </tr> <tr> <td style=min-width:50px>Cell Constant</td> <td style=min-width:50px>K=0.1, 1, 10 or Custom</td> </tr> <tr> <td style=min-width:50px>Reference temperature </td> <td style=min-width:50px>20 or 25°C</td> </tr> </table>
TDS Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>TDS Range</td> <td style=min-width:50px>0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt)</td> </tr> <tr> <td style=min-width:50px>TDS Accuracy </td> <td style=min-width:50px>± 1 % F.S.</td> </tr> <tr> <td style=min-width:50px>TDS Factor </td> <td style=min-width:50px>0.1 to 1.0 (default 0.5)</td> </tr> </table>
Temperature Range : 0 to 105°C, 32 to 221°F

Benchtop Multi-parameter Water Quality Meter LMPWM-A31

pH Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>pH range </td> <td style=min-width:50px>-2.00 to 20.00 pH</td> </tr> <tr> <td style=min-width:50px>pH Accuracy </td> <td style=min-width:50px>± 0.002 pH</td> </tr> <tr> <td style=min-width:50px>pH Resolution </td> <td style=min-width:50px>0.1/0.01/0.001 pH, selectable</td> </tr> <tr> <td style=min-width:50px>pH Calibration Points </td> <td style=min-width:50px>1 to 5 Points</td> </tr> <tr> <td style=min-width:50px>pH Buffer Solutions </td> <td style=min-width:50px>USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers</td> </tr> </table>
mV Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>mV Range </td> <td style=min-width:50px>-1999.9 to 1999.9 mV</td> </tr> <tr> <td style=min-width:50px>mV Accuracy </td> <td style=min-width:50px>± 0.2 mV</td> </tr> <tr> <td style=min-width:50px>mV Resolution </td> <td style=min-width:50px>0.1/1 mV, selectable</td> </tr> <tr> <td style=min-width:50px>mV Calibration Points</td> <td style=min-width:50px>1 Point</td> </tr> </table>
Conductivity Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>Conductivity Range </td> <td style=min-width:50px>0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm</td> </tr> <tr> <td style=min-width:50px>Conductivity Accuracy </td> <td style=min-width:50px>± 0.5% F.S.</td> </tr> <tr> <td style=min-width:50px>Conductivity Resolution</td> <td style=min-width:50px>0.01/0.1/1</td> </tr> <tr> <td style=min-width:50px>Conductivity Calibration Points</td> <td style=min-width:50px>1 to 5 Points</td> </tr> <tr> <td style=min-width:50px>Conductivity Solutions</td> <td style=min-width:50px>10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm</td> </tr> <tr> <td style=min-width:50px>Conductivity Temperature coefficient </td> <td style=min-width:50px>0.0 to 10.0 %/°C</td> </tr> <tr> <td style=min-width:50px>Compensation mode </td> <td style=min-width:50px>Linear or Pure Water</td> </tr> <tr> <td style=min-width:50px>Cell Constant</td> <td style=min-width:50px>K=0.1, 1, 10 or Custom</td> </tr> <tr> <td style=min-width:50px>Reference temperature </td> <td style=min-width:50px>20 or 25°C</td> </tr> </table>
TDS Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>TDS Range</td> <td style=min-width:50px>0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt)</td> </tr> <tr> <td style=min-width:50px>TDS Accuracy </td> <td style=min-width:50px>± 1 % F.S.</td> </tr> <tr> <td style=min-width:50px>TDS Factor </td> <td style=min-width:50px>0.1 to 1.0 (default 0.5)</td> </tr> </table>
Salinity Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>Salinity Range</td> <td style=min-width:50px>0 to 10 ppt (maximum 80 ppt)</td> </tr> <tr> <td style=min-width:50px>Salinity Accuracy </td> <td style=min-width:50px>± 1 % F.S.</td> </tr> <tr> <td style=min-width:50px>Measurement modes</td> <td style=min-width:50px>Seawater or practical salinity</td> </tr> </table>

Benchtop Multi-parameter Water Quality Meter LMPWM-A32

pH Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>pH range </td> <td style=min-width:50px>-2.00 to 20.00 pH</td> </tr> <tr> <td style=min-width:50px>pH Accuracy </td> <td style=min-width:50px>± 0.002 pH</td> </tr> <tr> <td style=min-width:50px>pH Resolution </td> <td style=min-width:50px>0.1/0.01/0.001 pH, selectable</td> </tr> <tr> <td style=min-width:50px>pH Calibration Points </td> <td style=min-width:50px>1 to 5 Points</td> </tr> <tr> <td style=min-width:50px>pH Buffer Solutions </td> <td style=min-width:50px>USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers</td> </tr> </table>
mV Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>mV Range </td> <td style=min-width:50px>-1999.9 to 1999.9 mV</td> </tr> <tr> <td style=min-width:50px>mV Accuracy </td> <td style=min-width:50px>± 0.2 mV</td> </tr> <tr> <td style=min-width:50px>mV Resolution </td> <td style=min-width:50px>0.1/1 mV, selectable</td> </tr> <tr> <td style=min-width:50px>mV Calibration Points</td> <td style=min-width:50px>1 Point</td> </tr> </table>
Conductivity Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>Conductivity Range </td> <td style=min-width:50px>0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm</td> </tr> <tr> <td style=min-width:50px>Conductivity Accuracy </td> <td style=min-width:50px>± 0.5% F.S.</td> </tr> <tr> <td style=min-width:50px>Conductivity Resolution</td> <td style=min-width:50px>0.01/0.1/1</td> </tr> <tr> <td style=min-width:50px>Conductivity Calibration Points</td> <td style=min-width:50px>1 to 5 Points</td> </tr> <tr> <td style=min-width:50px>Conductivity Solutions</td> <td style=min-width:50px>10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm</td> </tr> <tr> <td style=min-width:50px>Conductivity Temperature coefficient </td> <td style=min-width:50px>0.0 to 10.0 %/°C</td> </tr> <tr> <td style=min-width:50px>Compensation mode </td> <td style=min-width:50px>Linear or Pure Water</td> </tr> <tr> <td style=min-width:50px>Cell Constant</td> <td style=min-width:50px>K=0.1, 1, 10 or Custom</td> </tr> <tr> <td style=min-width:50px>Reference temperature </td> <td style=min-width:50px>20 or 25°C</td> </tr> </table>
Dissolved Oxygen Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>Dissolved Oxygen Range </td> <td style=min-width:50px>0.00 to 20.00 mg/ L</td> </tr> <tr> <td style=min-width:50px>Dissolved Oxygen Accuracy </td> <td style=min-width:50px>± 0.2 mg/ L</td> </tr> <tr> <td style=min-width:50px>Dissolved Oxygen Resolution</td> <td style=min-width:50px>0.1/ 0.01 mg/ L, selectable</td> </tr> <tr> <td style=min-width:50px>Dissolved Oxygen Calibration Points</td> <td style=min-width:50px>1 or 2 Points</td> </tr> <tr> <td style=min-width:50px>% Saturation Range</td> <td style=min-width:50px>0.0 to 200.0 % with ± 2 % accuracy</td> </tr> <tr> <td style=min-width:50px>Pressure correction </td> <td style=min-width:50px>60 to 112.5 kPa, 450 to 850 mmHg</td> </tr> <tr> <td style=min-width:50px>Salinity correction </td> <td style=min-width:50px>0 to 50 g/ L</td> </tr> </table>
Temperature Range : 0 to 105°C, 32 to 221°F

Benchtop Multi-parameter Water Quality Meter LMPWM-A40

pH Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>pH range </td> <td style=min-width:50px>-2.00 to 20.00 pH</td> </tr> <tr> <td style=min-width:50px>pH Accuracy </td> <td style=min-width:50px>± 0.002 pH</td> </tr> <tr> <td style=min-width:50px>pH Resolution </td> <td style=min-width:50px>0.1/0.01/0.001 pH, selectable</td> </tr> <tr> <td style=min-width:50px>pH Calibration Points </td> <td style=min-width:50px>1 to 5 Points</td> </tr> <tr> <td style=min-width:50px>pH Buffer Solutions </td> <td style=min-width:50px>USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers</td> </tr> </table>
ORP Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>mV Range </td> <td style=min-width:50px>± 2000 mV</td> </tr> <tr> <td style=min-width:50px>mV Accuracy </td> <td style=min-width:50px>± 0.2 mV</td> </tr> <tr> <td style=min-width:50px>mV Resolution </td> <td style=min-width:50px>0.1 mV, selectable</td> </tr> <tr> <td style=min-width:50px>mV Calibration Points</td> <td style=min-width:50px>1 Point, only for relative mode</td> </tr> </table>
Ion Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>Ion measurement range </td> <td style=min-width:50px>0.01 to 30000 ppm, mg/l, mol/l, mmol/l (refer Range of ion selection) </td> </tr> <tr> <td style=min-width:50px>Ion measurement accuracy</td> <td style=min-width:50px>±0.5% F.S (Monovalent), ±1% F.S (Divalent)</td> </tr> <tr> <td style=min-width:50px>Ion measurement resolution</td> <td style=min-width:50px>0.001/0.01/0.1/1</td> </tr> <tr> <td style=min-width:50px>Ion measurement calibration points</td> <td style=min-width:50px>2 to 5 points</td> </tr> <tr> <td style=min-width:50px>Ion measurement calibration solutions</td> <td style=min-width:50px>0.001/0.01/0.1/1/10/100/1000/10000 ppm, mg/L, mol/L</td> </tr> <tr> <td style=min-width:50px>Ion measurement methods</td> <td style=min-width:50px>Direct reading, Known addition, Known subtraction, Sample addition, Sample subtraction</td> </tr> </table>
Water Hardness Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>Water hardness measurement range </td> <td style=min-width:50px>0.05-200mmol/L, 0-1120°dH, 0-1404°e, 0-2000°fH, 0-8000mg/L (Ca2+), 0~19999mg/L (CaCO3)</td> </tr> <tr> <td style=min-width:50px>Water hardness measurement accuracy</td> <td style=min-width:50px>±1% F.S</td> </tr> <tr> <td style=min-width:50px>Water hardness measurement resolution</td> <td style=min-width:50px>0.001/0.01/0.1/1</td> </tr> <tr> <td style=min-width:50px>Water hardness calibration points</td> <td style=min-width:50px>2 to 5 points</td> </tr> <tr> <td style=min-width:50px>Water hardness calibration solutions</td> <td style=min-width:50px>0.01/0.1/1/10/100 mmol/L</td> </tr> </table>
Temperature Mode : <table cellspacing=0 border=1> <tr> <td style=min-width:50px>Temperature measurement range </td> <td style=min-width:50px>0 to 105°, 32 to 212°F</td> </tr> <tr> <td style=min-width:50px>Temperature measurement accuracy</td> <td style=min-width:50px>± 0.5°C, ± 0.9°F</td> </tr> <tr> <td style=min-width:50px>Temperature measurement resolution</td> <td style=min-width:50px>0.1°C, 0.1°F</td> </tr> <tr> <td style=min-width:50px>Temperature measurement calibration points</td> <td style=min-width:50px>1 point</td> </tr> </table>