Hf-scientific DRT-15CE Portable Turbidimeter Manuel d'utilisateur télécharger pdf (Page 5)

DRT-15CE (5/10)

FOREWORD

HF turbidimeters are manufactured to meet design criteria for

nephelometers as described in Standard Methods For Examination of Water

and Wastewater. HF turbidimeters are approved by the U.S. EPA* as a

means to measure the turbidity of potable water, waste water, and other

liquids.

HF turbidimeters provide a linear display of turbidity, throughout all

ranges, in Nephelometric Turbidity Units (NTU). HF turbidimeters use solid

state electronic components because they resist thermal variation and are not

affectedbynormallinevoltageuctuations.

 HFturbidimeterscanbecalibratedusingHFscienticfactory

certiedProCalStandardsorFormazin.Factorycalibrationisaccomplished

usingHFscienticProCalStandards,whicharefactorycertiedtraceableto

formazin,therefore,thisinstructionmanualdescribestheproperprocedures

for calibration of HF turbidimeters using ProCal Standards.

 HFturbidimetersuseFormazinastheprimarystandardfor

calibration. Therefore, this instruction manual describes the proper

proceduresforcalibrationofHFturbidimetersusingFormazinstandards.

HF turbidimeter manuals are designed to assist the user in taking

full advantage of the instrument in a majority of its applications. However,

in the event that unusual circumstances or problems, not covered by

this manual, arise please feel free to contact our local distributor or the

manufacturer.

   HFscientic

3170 Metro Parkway

Fort Myers, Florida 33916-7597

Phone: (239) 337-2116

FAX: (239) 332-7643

Toll free: 888-203-7248

Ourengineeringstaffisavailabletohelpyouwithyourspecicneeds.

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Hf-scientific DRT-15CE Portable Turbidimeter Manuel d'utilisateur Page 5