Hanna-instruments HI 8614N Manual do Utilizador

1www.hannainst.compH and ORPTransmittersHI 8614 • HI 8614LHI 8615 • HI 8615LInstruction Manual

18 19TROUBLESHOOTINGEvaluate your electrode performance based on the following.••••• Noise (Readings fluctuate up and down) could be due to:----- Clog

20 21Alkaline ErrorHigh concentrations of sodium ions interfere with readings in alkalinesolutions. The pH at which the interference starts to be sign

22 23Monitoring the pH/ORP with Panel Mounting pH (HI 8510)/ORP(HI 8512) IndicatorControlling the pH/ORP with an Industrial RegulatorMonitoring and Co

24 25ACCESSORIESACCESSORIESACCESSORIESACCESSORIESACCESSORIESpH CALIBRATION SOLUTIONSHI 7004M pH 4.01 buffer solution, 230 mLHI 7004L pH 4.01 buffer so

26 27HI 1210T Screwcap PG13.5 connector, double junction, plas-tic bodyHI 1910B BNC connector, 1 m (3.3') cable, double junction,plastic body, bu

28 29HI 3932B/5 BNC connector, 5 m (16.5') cable, Pt, plastic body,built-in amplifierHI 4110S Screw-type connector, Au, glass bodyHI 4130B/3 BNC

30 31Hanna Instruments reserves the right to modify the design, construction andappearance of its products without advance notice.RECOMMENDATIONS FOR

32Printed in EUROPE(ROMANIA)MAN8614N 05/10Hanna Instruments Inc.Highland Industrial Park584 Park East DriveWoonsocket, RI 02895 USATechnical Support

2 3PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONRemove the instrument from the p

4 5SPECIFICATIONS OF HI 8614 & HI 8614LSPECIFICATIONS OF HI 8614 & HI 8614LSPECIFICATIONS OF HI 8614 & HI 8614LSPECIFICATIONS OF HI 8614 &

6 7TERMINAL BOARD CONNECTIONSTERMINAL BOARD CONNECTIONSTERMINAL BOARD CONNECTIONSTERMINAL BOARD CONNECTIONSTERMINAL BOARD CONNECTIONSUnscrew the 4 scr

8 9pH CALIBRATION WITH AUTOMATICpH CALIBRATION WITH AUTOMATICpH CALIBRATION WITH AUTOMATICpH CALIBRATION WITH AUTOMATICpH CALIBRATION WITH AUTOMATICTE

10 11• Adjust the slope trimmer until the ammeter reads 8.58 mA forHI 8614 and HI 8614L or the display shows "4.01" at 25°C. Forother bu

12 13ORP CALIBRATION (HI 8615 family)ORP CALIBRATION (HI 8615 family)ORP CALIBRATION (HI 8615 family)ORP CALIBRATION (HI 8615 family)ORP CALIBRATION (

14 15FOR HI8615L ONLYThe HI 8615L are factory calibrated, and the displayed values arereferenced to the 4-20 mA loop current. Under normal application

16 17ELECTRODE CONDITIONINGELECTRODE CONDITIONINGELECTRODE CONDITIONINGELECTRODE CONDITIONINGELECTRODE CONDITIONING& MAINTENANCE& MAINTENANCE&