Hanna-instruments HI 504920 Manual de usuario

Instruction ManualHI 504920Remote User InterfacepH Meterwww.hannainst.com

1918GOOD LABORATORY PRACTICE (GLP)GLP is a set of functions that allows the storage or retrieval (whennecessary) of data regarding the maintenance and

2120When the batteries are inserted and no power adapter is connected,the meter can recognize two different batteries charge levels.1. Weak batteries

2322Alkaline ErrorTEMPERATURE-RESISTANCE CORRELATION FORHANNA pH SENSITIVE GLASSThe resistance of glass electrodes partially depends on the temperatur

2524ACCESSORIESpH CALIBRATION SOLUTIONSHI 70004P pH 4.01 buffer, 20 mL sachet (25 pcs)HI 70007P pH 7.01 buffer, 20 mL sachet (25 pcs)HI 70010P pH 10.0

2726CE DECLARATION OF CONFORMITYRecommendations for UsersBefore using this product, make sure that it is entirely suitable for the environment in whic

MAN504920 05/05SALES AND TECHNICAL SERVICE CONTACTSAustralia:Tel. (03) 9769.0666 • Fax (03) 9769.0699China:Tel. (10) 88570068 • Fax (10) 88570060

32Remove the instrument from the packing material and examine itcarefully to make sure that no damage has occurred during shipping.If there is any dam

54FUNCTIONAL DESCRIPTION1) Power adapter plug2) Connector for the HI 504910 interface cable (HI 7920)3) Electrode Connector4) Liquid Crystal Display (

76INITIAL PREPARATIONEach meter is supplied complete with batteries and 12 VDC adapter.To power the instrument with batteries, remove the back cover,u

98CALIBRATIONpH CALIBRATIONFor greatest accuracy, it is recommended to frequently calibrate theinstrument. For a faster procedure, it is possible to c

1110USE AS REFERENCE pH METERHI 504910 QUICK pH CALIBRATIONHI 504910 can be calibrated frequently through HI 504920 withoutinterrupting the normal mea

1312HI 504910 pH READING CHECKThe check of the HI 504910 pH reading against the HI 504920 pHreading is possible at any time.Perform the following step

1514PARAMETER SETTINGS• Once the parameter code (and password ifneeded) has been entered, the currentvalue of the selected parameter will bedisplayed

1716pH MEASUREMENTSConnect the pH electrode with the built-intemperature sensor to the meter and pressON/OFF to power on the instrument.If the electr