Hanna-instruments HI 2550 Manual do Utilizador

1www.hannainst.comMultiparameterpH/ORP/°CEC/TDS/NaClBench MeterHI 2550Instruction Manual

10• If LOCK key was pressed and the reading goes out of range, thefull-scale value of the frozen range will be displayed blinking.The conductivity rea

11TDS MEASUREMENTSTDS MEASUREMENTSTDS MEASUREMENTSTDS MEASUREMENTSTDS MEASUREMENTSPress the ALT&MODE keys while in EC range. The instrument will s

12AUTO-RANGINGAUTO-RANGINGAUTO-RANGINGAUTO-RANGINGAUTO-RANGINGThe EC and TDS scales are auto-ranging. The meter automatically setsthe scale with the h

13pppppH CALIBRATIONH CALIBRATIONH CALIBRATIONH CALIBRATIONH CALIBRATIONCalibrate the instrument frequently, especially if high accuracy is required.T

143 cm(1¼")FIVEFIVEFIVEFIVEFIVE-----POINTPOINTPOINTPOINTPOINT CALIBRATION CALIBRATION CALIBRATION CALIBRATION CALIBRATION• Submerse the pH electr

15• If necessary, press the ARROW keys to select a different buffer value.• The “ ” tag will blink on the LCD until the reading isstable.• When the re

16ONE-POINT CALIBRATIONONE-POINT CALIBRATIONONE-POINT CALIBRATIONONE-POINT CALIBRATIONONE-POINT CALIBRATIONTwo SETUP selectable options are available:

17• Each time a buffer is confirmed, the new calibration datareplaces the old calibration data for the corresponding buffer.If current buffer has no p

18The temperature has an effect on pH. The calibration buffer solutions areaffected by temperature changes to a lesser degree than normal solutions.Du

19RELATIVE RELATIVE RELATIVE RELATIVE RELATIVE mmmmmV CALIBRATIONV CALIBRATIONV CALIBRATIONV CALIBRATIONV CALIBRATION• Press CAL when the instrument i

2TABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSWARRANTY ...

20Select the desired value with the ARROW keys, if necessary.When the reading is stable, “READY” tag is displayed and “CFM” tagstarts blinking on the

21CONDUCTIVITY VERSUSCONDUCTIVITY VERSUSCONDUCTIVITY VERSUSCONDUCTIVITY VERSUSCONDUCTIVITY VERSUSTEMPERATURE CHARTTEMPERATURE CHARTTEMPERATURE CHARTTE

22NaCl CALIBRATIONNaCl CALIBRATIONNaCl CALIBRATIONNaCl CALIBRATIONNaCl CALIBRATIONNaCl calibration is a one-point calibration at 100.0% NaCl. Use theH

23GOOD LABORATORY PRACTICE (GLP)GOOD LABORATORY PRACTICE (GLP)GOOD LABORATORY PRACTICE (GLP)GOOD LABORATORY PRACTICE (GLP)GOOD LABORATORY PRACTICE (GL

24• The pH calibration slope (the GLP slope is the average of the calibrationslopes; the percentage is referred to the ideal value of 59.16 mV/pH).• T

25RRRRRelative mVelative mVelative mVelative mVelative mV CALIBRATION DATA CALIBRATION DATA CALIBRATION DATA CALIBRATION DATA CALIBRATION DATARelative

26EC CALIBRATION DATAEC CALIBRATION DATAEC CALIBRATION DATAEC CALIBRATION DATAEC CALIBRATION DATAEC calibration data is stored automatically after a s

27• The temperature compensation mode.• The instrument ID.NNNNNaClaClaClaClaCl CALIBRATION DATA CALIBRATION DATA CALIBRATION DATA CALIBRATION DATA CAL

28• The temperature compensation mode.• The instrument ID.Notes: • If no temperature compensation is selected during calibration,the temperature coeff

29If stability logging is selected, a complete set of data is memorized everytime the reading becomes stable after an unstable condition.To stop inter

3GENERAL DESCRIPTIONGENERAL DESCRIPTIONGENERAL DESCRIPTIONGENERAL DESCRIPTIONGENERAL DESCRIPTIONThe HI 2550 is a microprocessor based pH, ORP, Conduct

30VIEW LOGGED DATAVIEW LOGGED DATAVIEW LOGGED DATAVIEW LOGGED DATAVIEW LOGGED DATAPress the ALT&RCL keys while in measurement mode to retrieve

31In TDS measurement range:In NaCl measurement range:Use the ARROW keys to scroll through the records.Press CFM to view record information.• If RCL wa

32Note: The instrument will automatically skip log records from othermeasurement ranges.To view additional information press RANGE:For pH• The mV valu

33The “dEL” message is displayed on the primary LCD and the selected recordon the secondary LCD, along with ”LOG” tag.• The ARROW keys can be used to

34• The cell constant on the primary LCD and “CEL” message on thesecondary LCD line.• The reference temperature on the primary LCD and “rEF”message o

35For NaCl Range• The conductivity and temperature reading value as described in TDSRange.• The time and date as described in pH Range.• The salinity

36SETUPSETUPSETUPSETUPSETUPSetup mode allows viewing and modifying the following instrumentparameters.In according with the selected range, SETUP menu

37EXPIRED CALIBRATION ALARMEXPIRED CALIBRATION ALARMEXPIRED CALIBRATION ALARMEXPIRED CALIBRATION ALARMEXPIRED CALIBRATION ALARMPress CAL when the cali

38pH RESOLUTIONpH RESOLUTIONpH RESOLUTIONpH RESOLUTIONpH RESOLUTIONPress CAL when “rES” message is displayed on the secondary LCD. Theset resolution (

39BEEP STATUSBEEP STATUSBEEP STATUSBEEP STATUSBEEP STATUSPress CAL when the beep status is displayed. Beep status (“On” or“OFF”) will start blinking.P

41) Liquid Crystal Display (LCD).2) CAL key, to enter and exit calibration mode.RCL key (alternate function), to enter and exit memory recall.3) CFM/G

40CELL CONSTANTCELL CONSTANTCELL CONSTANTCELL CONSTANTCELL CONSTANTPress CAL when the cell constant is displayed. The cell constant will startblinking

41TDS FACTORTDS FACTORTDS FACTORTDS FACTORTDS FACTORPress CAL when “tdS” is displayed. The TDS factor will start blinking.Press the ARROW keys to chan

42The instrument has two temperature channels: one that measures thetemperature from the HI 7662 probe while the instrument is in pH/mVrange and the o

43• Submerse the temperature probe (or EC probe) in the second vesselas near as possible to the calibrated thermometer. Allow a fewseconds for the pro

44 mmmmmV CALIBRATIONV CALIBRATIONV CALIBRATIONV CALIBRATIONV CALIBRATION(((((for technical personnel onlyfor technical personnel onlyfor technica

45Data transmission from the instrument to the PC can be done withthe HI 92000 Windows® compatible software (optional). HI 92000also offers graphing

46CHRxx Change the instrument range according with the parametervalue (xx):• xx=00 pH range/0.001 resolution• xx=01 pH range/0.01 resolution• xx=02 pH

47• Reading status (2 chars): R - in range, O - overrange, U - under range. First character correspondsto the appropriate range reading. Second charac

48• EC calibration data (if available), which contains:• the number of calibrated standards (1 char)• the offset factor, with sign and decimal point(7

49• Calibration alarm time out for pH range (2 chars)• SETUP information (2 chars): 8 bit hexadecimalencoding.• 0x01 - beep ON (else OFF)• 0x04 - degr

5SPECIFICATIONSSPECIFICATIONSSPECIFICATIONSSPECIFICATIONSSPECIFICATIONSEGNARHp0.61ot0.2–Hp00.61ot00.2–Hp000.61ot000.2–)PRO&ESI(Vm9.999±)PRO&ES

50GLDxxxff: Requests the records of the “xxx” lot number. The records aresent in frames of 10 records; “ff” is the frame number (01 firstframe). (Exam

51PREPARATION PROCEDUREPREPARATION PROCEDUREPREPARATION PROCEDUREPREPARATION PROCEDUREPREPARATION PROCEDURERemove the protective cap of the pH electro

52For refillable electrodes:For refillable electrodes:For refillable electrodes:For refillable electrodes:For refillable electrodes:If the filling sol

53pH pH pH pH pH ELECTRODE CLEANING PROCEDUREELECTRODE CLEANING PROCEDUREELECTRODE CLEANING PROCEDUREELECTRODE CLEANING PROCEDUREELECTRODE CLEANING PR

54TROUBLESHOOTING GUIDETROUBLESHOOTING GUIDETROUBLESHOOTING GUIDETROUBLESHOOTING GUIDETROUBLESHOOTING GUIDESMOTPMYSMELBORPNOITULOStfirdevissecxe/esnop

55Typical Electrode LifeAmbient Temperature 1 – 3 years90 ºC Less than 4 months120 ºC Less than 1 monthAlkaline ErrorHigh concentrations of sodium ion

56pH BUFFER SOLUTIONSHI 70004P pH 4.01 Buffer Sachets, 20 mL, 25 pcsHI 70007P pH 7.01 Buffer Sachets, 20 mL, 25 pcsHI 70010P pH 10.01 Buffer Sachets,

57ORP PRETREATMENT SOLUTIONSHI 7091L Reducing Pretreatment Solution, 500 mLHI 7092L Oxidizing Pretreatment Solution, 500 mLCONDUCTIVITY SOLUTIONSHI 70

58HI 70442M* 1500 ppm (mg/L), 250 mLHI 70442L* 1500 ppm (mg/L), 500 mL* 1500 ppm TDS have an approximate conversion factor of:0.65 ppm = 1 μS/cm con

59HI 1330BGlass-body, semimicro, single junction, refillable, combination pH electrode.Use: laboratory, vials.HI 1331BGlass-body, semimicro, single ju

6egnartesffoVmleRVm0002±noitarbilaCHp,noitarbilactniop5ro4,3,2,1elbaliavasreffubdradnats7,)54.21,10.01,81.9,10.7,68.6,10.4,86.1(sreffubmotsuc2dnanoita

60FC 100BPlastic-body (PVDF), double junction, refillable, combination pH electrode.Use: general purpose for food industry.FC 200BPlastic-body (PVDF),

61HI 1413BGlass-body, single junction, flat tip, Viscolene, non-refillable, combinationpH electrode. Use: surface measurement.ORP ELECTRODESHI 3131BGl

62EXTENSION CABLE FOR SCREW-TYPE ELECTRODES(SCREW TO BNC ADAPTER)HI 7855/1 Extension cable 1 m (3.3') longHI 7855/3 Extension cable 3 m (9.9&apos

63RECOMMENDATIONS FOR USERSBefore using this product, make sure that it is entirely suitable for theenvironment in which it is used.Operation of this

64Printed in Romania, EUMAN2550 04/09Hanna Instruments Inc.Highland Industrial Park584 Park East DriveWoonsocket RI 028985 USALocal Sales and Custome

73 cm(1¼")OPERATIONAL GUIDEOPERATIONAL GUIDEOPERATIONAL GUIDEOPERATIONAL GUIDEOPERATIONAL GUIDEPOWER CONNECTIONPOWER CONNECTIONPOWER CONNECTIONPO

83 cm(1¼")• The pH is displayed on the primary LCD and the temperature on thesecondary LCD.• If the reading is out of range, the closest full-sca

9• The instrument displays the mV reading on the primary LCD and thetemperature on the secondary LCD line.• If the reading is out of range, the closes