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Help CenterBIOBASE BK-900 Multi-parameter/PH Meter for Lab
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Model |
BK-900 |
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 |
IonConcentrationRange |
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 |
ConductivityRange |
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 |
TDSRange |
0~10ppt (Max. 20ppt, Depending on factor setting) |
TDS Accuracy |
±1% Full Scale |
TDS Factor |
0.1~1.0 (Default 0.5) |
SalinityRange |
0~10ppt (Max.80ppt) |
Salinity Accuracy |
±1% Full Scale |
Salinity Measurement Modes |
Practical Salinity (PSU) or Seawater Measurement Standard (ppt) |
ResistivityRange |
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 |
DissolvedOxygenRange |
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 |
TemperatureRange |
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 |
DC5V, using AC adapters, 220VAC/50Hz |
LCD Display |
Custom dual-display LCD (130×110mm) |
Dimensions |
210(L)×188(W)×60(H)mm |
Weight |
1.2kg |
Contact: Helen Li
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