YSI 251200Y, pHotoFlex pH Colorimeter Kit

YSI 251200Y
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YSI 251200Y, pHotoFlex pH Colorimeter Kit 

The pHotoFlex line of colorimeters is the newest addition to YSI's full range of colorimeters. These rugged, waterproof, multiparameter colorimeters are ideal for laboratory and field testing.

The instruments feature a large, backlit display, waterproof rating, data logging with the ability to export data to a computer using LSdata software, user-defined programs and a 2-year warranty. 

Model pHotoFlex pH feature: 

  • Calibration adjustment for selected methods
  • Data storage; pHotoFlex pH LED filter colorimeter with 6 wavelengths, 38 pre-defined tests, 100 user-defined tests with BNC connector for pH probe and 1000 data set memory.
  • IP-67 waterproof case; easy to hold or set on a benchtop (lab station also available)
  • Flexible, fixed adapter for various cell types features a flip design to accommodate a variety of heights and diameters; it is also attached to prevent it from being lost
  • ~138 parameters (pHotoFlex pH) - reagents can be used on YSI colorimeters or any other brand
  • PC connectivity to manage data (optional LSdata software) and update firmware or methods; barcode compatibility
  • pHotoFlex pH offers a BNC connection in order to take pH measurements directly and to measure the pH dependent parameter NH3 

Kit includes: 

  • field case with field tray
  • vials
  • pH electrode (with pH/SET)
  • 2 each 10 mL and 2 mL syringe
  • empty cuvettes 16+28 mm
  • cleaning tissues
  • stand
  • 2 empty buffer bottles
  • beaker
  • screw driver
  • PC-software LSdata
  • and RS232 PC cable 

If you are interested in measuring chlorine or COD only, you might be interested in our single parameter colorimeters, YSI 900 Chlorine and YSI 910 COD.


Certifications cETL, ETLus, IP67 waterproof, CE
Connectivity / Communications RS232
GLP Compliance Yes
Measurement Range Absorbance: -0.200 to 2.000 Transmission: 1 to 150%
Memory 1000 data sets, Yes
Parameters Measured A wide variety of YSI pHotoFlex Colorimeter Reagents. See specifications.
Power ~3000 measurements, Four 1.5 V AA alkalines
Unit of Measure mg/L
Warranty 2-year instrument
Waterproof Yes

Extra Information

10.00 LBS

Warranty Information

2-year manufacturer's warranty.