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Specifications
Up to 5 points push-button calibration with auto-buffer recognition.Selectable pH buffer standards
PH900 Multi-Parameter Water Quality Meter
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 you decide whether to replace pH electrode.
ORP Mode:
Single point offset calibration allows user adjusts displayed value to a 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 customized calibration solutions.
Adjustable TDS factors, cell constants, temperature coefficients and normalization temperature.
selectable linear or pure water compensation modes.
In salinity measurement modes, selectable practical salinity (PSU) or seawater measurement standard (ppt).
Dissolved Oxygen Mode:
1 or 2 points auto-calibration (100% in saturated air or air-saturated water, 0% in zero oxygen solution).
Manual salinity and barometric pressure compensation.
selectable readout in ppm, mg/L or percentage saturation.
PH900 multi-parameter meter is capable of measuring up to 9 water quality parameters, including pH, ORP, Ion, Conductivity TDS, Salinity, Resistivity, Dissolved Oxygen, etc.
General Features:
Automatic Temperature Compensation (ATC) ensures highly accurate 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 understand how to use meter.
Setup menu lets user customize the calibration points, stability conditions, 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 |
PH900 |
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 |
Zhangqiu Meihua International Trading Co.,Ltd is the subsidiary of BIOBASE group. BIOBASE,
established in 1999,has been through high and stable development for 15 years,is now with revenues of one hundred million,1200employees in China and abroad offices.The products wemanufacture extend
to most of the laboratory items andscientific analytical equipment,covering biological safety
cabinets,laminar flow cabinets,fume hoods,incubators,autoclaves,biochemistry analyzers,
ELISA microplate processorsdrying ovens,centrifuges,microscopes,biochemical reagents, etc.Our mission is to enable our customers to make the world healthier,cleanerand safer.
BIOBASE group invests in science and technology researches,aims to keep improving products
performance and quality as well as develops new products to meet customers'wide requirement.We satisfy our customers by offering comprehensive support,purchase convenience and we are ready to
serve more and more BIOBASE users.
BIOBASE group,serving global distributors and its loyal end users,is becoming one of the most
important scientific services suppliers.
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