Gold Member Since 2016
Labmen Instrument Technology Limited

Dissolved Oxygen Meter, pH/Mv Meter, Bench-Top pH/Mv Meter manufacturer / supplier in China, offering Bench Top pH/Dissolved Oxygen Meter, Digital Fruit and Vegetable Hardness Tester, Hot and Humid Steam Sterilizer (pulsating vertical) and so on.

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Supplier Homepage Product Water testing meter PH/mV/ORP Meter Bench Top pH/Dissolved Oxygen Meter

Bench Top pH/Dissolved Oxygen Meter

FOB Price: US $200-600 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $200-600/ Set
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Port: Shenzhen, China
Production Capacity: 50000 Sets Per Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: DO903
  • Accuracy: ±0.002pH
  • Calibration Points: 1 to 5 Points
  • Temperature Compensation: 0~100°c, 32~212°f
  • Stability Conditions: Low or High
  • Memory: Stores up to 500 Data Sets
  • Transport Package: Cartons
  • Origin: China
  • Range: -2.000~20.000pH
  • Resolution: 0.1, 0.01, 0.001pH
  • Calibration Solutions: USA, Nist, DIN or User-Defined
  • Compensation Mode: Manual or Automatic
  • Calibration Due: 0 to 31 Days
  • Trademark: labmen, could OEM
  • Specification: 210(L)× 188(W)× 60(H)mm
  • HS Code: 901890900
Product Description
Multiparameter benchtop pH/Dissolved Oxygen meter includes the 11 optional parameters. The meter is suitable for measuring the pH, ORP and DO of the liquids.
 
pH Mode:
• Multiparameter water quality meter is equipped with a large backlit LCD display.
• 1 to 5 points push-button calibration with auto-buffer recognition.
• Selectable pH buffer standard (USA/NIST/DIN) or using the custom calibration solutions.
• Automatic electrode slope display helps user decide whether to replace sensor.
 
ORP Mode:
• Single point offset calibration allows adjusting the displayed value to a known standard.
• Relative and absolute millivolt measurement modes provide accurate ORP readings.
 
Dissolved Oxygen Mode:
• 1 or 2 points calibration using air-saturated water and zero oxygen solution.
• Manual salinity and barometric pressure compensation improve the measurement accuracy.
Other Features:
• Automatic Temperature Compensation provides accurate reading over the entire range.
• Calibration Due Reminder prompts user to calibrate the meter regularly.
• Stability indicator automatically shows current measurement status.
• Auto-Hold function freezes stable measured value for easy viewing and recording.
• Manual temperature calibration corrects temperature deviation.
• Selectable temperature unit (°C or °F) meets different application requirements.
• Automatic electrode diagnosis shows zero point offset and slope of the electrode.
• Help message as a operational guide that helps you quickly begin using the meter.
• System menu allows setting the 11 parameters, including the number of calibration points,
  resolution, stability condition, measurement units, etc.
• Reset feature automatically resumes all parameters back to factory default options.
• Expanded memory stores and recalls up to 500 readings.
• Built-in real-time clock stamps stored data to meet GLP standard.
• Stored data can be transferred into computer by USB communication interface.
 
ModelDO903
pH 
Range-2.000~20.000pH
Accuracy±0.002pH
Resolution0.1, 0.01, 0.001pH
Calibration Points1 to 5 points
Calibration SolutionsUSA, NIST, DIN or User-defined
Temperature Compensation0~100°C, 32~212°F
Compensation ModeManual or Automatic
mV 
Range-1999.9~1999.9mV
Accuracy±0.2mV
Resolution0.1, 1mV
Calibration Points1 point (Only for Relative mV mode)
Calibration Range±200mV
Dissolved Oxygen 
Range0.00~20.00mg/L (or ppm)
Accuracy±0.2mg/L
Resolution0.01mg/L
Calibration Points1 or 2 points
Temperature Compensation0~50°C, 32~122°F, Automatic
Pressure Correction60.0~112.5kPa, 450~850mmHg
Salinity Correction0~50g/L
% Saturation of Oxygen 
Range0.0~200.0%
Accuracy±2.0%
Resolution0.1, 1%
Temperature 
Range0~105°C, 32~221°F
Accuracy±0.5°C, ±0.9°F
Resolution0.1°C
Calibration Points1 point
Calibration RangeMeasured value ±10°C
Others 
Hold FunctionManual or Automatic
Stability ConditionsLow or High
Calibration Due0 to 31 days
Power OffManual or Automatic (10, 20, 30 minutes)
Reset FunctionYes
MemoryStores up to 500 data sets
OutputUSB Communication Interface
ConnectorBNC, 6-pin Mini Plug
DisplayLCD (130×110mm)
Power RequirementsDC5V, using AC adapter, 220VAC/50Hz
Dimensions210(L)×188(W)×60(H)mm
Weight1.5kg
 
 
 
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