Hanna Instruments HI 254 Instruction Manual

Also see for HI 254: Instruction manual Instruction manual

3PRELIMINARY EXAMINATIONRemove the instrument from the packing material and examine it carefully tomake sure that no damage has occurred during shipping. If there is anydamage, notify your Dealer or the nearest Hanna Customer Service Center.Each instrument is supplied with:ï HI 1131B Glass-body Combination pH Electrode with 1 m (3.3') Cableï HI 7669/2W Temperature Probeï HI 76404 Electrode Holderï pH 4.01 & 7.01 Buffer Solutions (20 mL each)ï HI 7071S Electrolyte Solutionï 12VDC Power Adapterï Instruction ManualNote: Save all packing material until you are sure that the instrumentfunctions correctly. All defective items must be returned in the originalpacking with the supplied accessories.The HANNA HI 254 is a logging microprocessor-based pH and temperaturebench meter.HI 254 can also measure Oxidation Reduction Potential (ORP) in mV range.Relative mV feature is also provided.pH measurements are compensated for temperature effect manually orautomatically with the HI 7669/2W temperature probe.Up to five-point calibration is possible, using seven memorized buffers (1.68,4.01, 6.86, 7.01, 9.18, 10.01 and 12.45 pH).The GLP feature provides a guarantee of data consistency.An alarm time-out is available to alert the user that too much time elapsedsince the last pH calibration.The instrument can store data in memory at the userís request for laterretrieval.Hanna Instruments reserves the right to modify the design, constructionand appearance of its products without advance notice.GENERAL DESCRIPTION