Water Quality Flow Cell Rentals

These instruments measure multiple parameters simultaneously through a flow cell for use with low flow sampling. Additionally, our most popular flow cell rental, the YSI 556, can be used without it’s flow cell and is an excellent multiparameter meter for surface measurements.

When the job requires more parameters then these instruments provide, all of our water quality sonde rentals also include a flow cell and handheld displays for use with low flow sampling.

YSI 556

Water Quality Flow Cell/Handheld Meter

YSI 556

The YSI 556 is our most popular flow cell rental instrument. The 556 is capable of measuring, displaying, and logging 5 standard parameters simultaneously (pH​/Conductivity​/ORP​/DO​/temperature). In addition both salinity and total dissolved solids can be automatically calculated. Highly accurate, dependable, and repeatable readings are obtained through high end features like automatic temperature, salinity, and altitude compensation. Advanced datalogging combined with YSI’s EcoWatch software assist in good lab practices. Every YSI 556 rental comes fully calibrated by our factory certified technicians and includes a flow cell.

Ranges
pH
0 to 14 pH
Resolution 0.01 pH
Accuracy ±0.2 pH
ORP
-999 to 999 mV
Resolution 0.1 mV
Accuracy ±20 mV
Dissolved Oxygen
0 to 500% air saturation
0 to 50 mg/L
Resolution 0.1% air saturation
Resolution 0.01 mg/L
Accuracy ±0.2 mg/L or ±2% @ < 200% air saturation
Accuracy ±6% @ > 200% air saturation
Conductivity (auto-ranging)
0 to 200 mS/cm
Resolution 0.1 µS/cm @ < 499.99 µS/cm
Resolution 1 µS/cm @ < 4999 µS/cm
Resolution 0.01 mS/cm @ < 49.99 mS/cm
Resolution 0.1 mS/cm @ > 49.99 mS/cm
Accuracy ±0.5%
Salinity
0 to 70 ppt
Resolution 0.1 ppt
Accuracy ±1% or ±0.1 ppt
Total Dissolved Solids
0 to 100 g/L
Temperature
23 to 113°F
-5 to 45°C
Resolution 0.1°
Accuracy ±0.27°F or ±0.15°C
Features
  • Simultaneously measures and displays 5 parameters
  • Operates with a flow cell or as a handheld unit
  • Advanced datalogging assists with GLP
  • Rental includes flow cell and accessories
  • Extended DO range
  • Internal barometer for automatic DO compensation
  • Automatic temperature compensation
  • Automatic salinity compensation
  • Large backlit LCD display with automatic contrast adjustment
  • PC interface
  • Advanced PC software
  • Waterproof and resistant to impacts
Specifications
  • Datalogging points 49,000
  • PC interface RS232
  • Input power 4 C alkaline batteries
  • Runtime 50 hours
  • IP rating 67
  • Probe diameter 1.65″
  • Dimensions 4.7″ x 9″
  • Weight 2.1 lbs
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Field Supplies

Every 556 comes calibrated and ready for use.
If you need to perform additional calibrations solutions are available for purchase below.

QED MP-20D/MP-20DT

Water Quality Flow Cell Meter

QED MP-20D/MP-20DT

These flow cell meters are commonly used with our QED bladder pump rentals, but can be used with any low flow sampling system. The MP-20D measures and logs six water quality parameters simultaneously plus an optional turbidity measurment. The large LCD display shows all parameters and notifies the user when the readings are stable. Like all of our water quality flow cell rentals, the MP-20D and MP-20DT come calibrated, tested, and ready for use.

Ranges
pH
0 to 14 pH
Resolution 0.01 pH
Accuracy ±0.2 pH
ORP
-999 to 999 mV
Resolution 1 mV
Accuracy ±25 mV
Dissolved Oxygen
0 to 20 mg/L
Resolution 0.01 mg/L
Accuracy ±0.2 mg/L
Conductivity
0 to 100 mS/cm
Resolution 4 digits
Accuracy ±1%
Salinity
0 to 70 ppt
Resolution 0.01 ppt
Accuracy ±1%
Turbidity (optional)
0 to 1000 NTU
Resolution 1 NTU
Accuracy ±5%
Temperature
23 to 122°F
-5 to 50°C
Resolution 0.01°
Accuracy ±0.36°F or ±0.2°C
Features
  • Measures 6 parameters simultaneously including optional turbidity
  • Can be used with any low flow sampling system
  • Specifically designed for use with QED sampling systems
  • Large LCD display shows all parameters
  • Patented PurgeScan techology monitors when parameters are stable
  • Transparent flow cell vents bubbles, even when horizontal
  • Datalogging
  • PC interface
  • Rugged and waterproof
Specifications
  • Datalogging points 100
  • PC interface RS232
  • Input power 3 C alkaline batteries
  • Runtime 12 hours
  • Dimensions 18.5″ x 15″ x 6.5″
  • Weight 14 lbs
Rent This Model

Configuration
Field Supplies

All MP-20 comes calibrated and ready for use.
If you need to perform additional calibrations solutions are available for purchase below.

Search Terms

  • Water Quality
  • Water Quality Flow Cells
  • YSI ProDSS
  • ProDSS
  • Pro DSS
  • YSI 556
  • QED MP-20D/MP-20DT
  • MP-20D
  • MP-20DT

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Whether you need calibration standards, tubing, or other supplies like gloves and labels, we stock everything you need to finish the job. Our high quality field supplies, including NIST traceable calibration solutions and gases, come at significant savings over manufacturer brands.

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