Hanna-instruments HI 93703 Manual do Utilizador Página 1

1Instruction ManualHI 93703Portable MicroprocessorTurbidity Meter

1918Battery replacement must only take place in asafe area and using the battery types specifiedin this instruction manual.To install or replace theba

2120* 1 FTU = 1 NTUBatteries are too weak toensure reliable measure-ments. This message ap-pears for a few seconds,then the meter will auto-matically

2322CE DECLARATION OF CONFORMITYRecommendations for UsersBefore using this product, make sure that it is entirely suitable for the environmentin which

24MANTURBR4 08/05Australia:Tel. (03) 9769.0666 • Fax (03) 9769.0699China:Tel. (10) 88570068 • Fax (10) 88570060Egypt:Tel. & Fax (02) 2758.68

32With HI 93703 turbidity measurements can beperformed with high precision in the field as wellas in the laboratory.HI 93703 turbidity meter is a port

54IR LEDEMITTED LIGHT (890 nm)CUVETLIGHTDETECTOR90° SCATTEREDLIGHTPRINCIPLE OF OPERATION* 1 FTU = 1 NTUHI 93703 has been designed to perform mea-surem

76SPECIFICATIONS* 1 FTU = 1 NTURange 0.00 to 50.00 FTU *50 to 1000 FTU *Resolution 0.01 and 1 FTU *Accuracy ±0.5 FTU* or±5% of reading (whichever is

98• Wipe the cuvette thor-oughly with a lint-freetissue (HI 93703-70)before inserting intothe measurementcell. The cuvettemust be completelyfree of fi

1110HOW TO ENSURE ACCURATE MEASURE-MENTS• Each time the cuvette is used, tighten thecap to the same degree.• Discard the sample soon after the reading

1312CALIBRATIONA monthly calibration is recommended. Tocheck the date of last calibration, simply holdthe DATE/⇒ key down for few seconds.A more frequ

1514• Insert the cuvette withthe HI 93703-10AMCO-AEPA-1 stan-dard @10 FTU* intothe measurement celland press the CAL keyagain.• After the second cali

1716STANDARD SUSPENSIONPresently, there are only two recognized pri-mary standards: AMCO-AEPA-1 and formazine.HANNA instruments supplies HI 93703 with