JENWAY 3510 PH METER PDF

Parameter, , , , Portable, Yes, Yes, No, No. Waterproof, No, Yes, No, No. pH range, 0 to 14, – 2 to 16, – 2 to 20, – 2 to mV, No, Yes, Yes, Yes. Jenway model bentop laboratory pH meter, simple reliable analysis. Buy Jenway Standard Digital pH Meter Kit, glass electrode, ATC, buffers; V and more from our comprehensive selection of Jenway Benchtop pH Meters.

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Safety Please read this information carefully prior to installing or using this equipment. The unit described in this manual is designed be operated only by trained personnel. Any adjustments, maintenance and repair must be carried out as defined in this manual, by a person qualified to be aware of the hazards involved.

Qualsiasi condizione di errore deve essere immediatamente segnalata al responsabile per la manutenzione. Up to 3 decimal place resolution is available. The includes a 32 reading memory facility. The Model is supplied ready to use.

Provides direct readout in pH and millivolts of samples and standards. Mode annunciators — shows selected measurement mode; pH, mV Absolute and Relative. ESC used to switch the instrument on and to place into standby mode only if power supply lead remains connected to the instrument. This key is also used to clear readings from Memory. Ref Socket 2mm pin socket. Connection socket for separate reference electrode.

When performing measurements with some pH and ion selective electrodes a separate reference electrode is needed. If the liquid junction is inefficient then measurement will be inaccurate. It is common for the reference electrode to be incorporated into the pH electrode.

It is then called a combination electrode. The Model meter is supplied with a combination electrode. The voltage developed by each individual pH electrode in the presence of a known hydrogen ion concentration is theoretically predictable, but in practise deviations from the theoretical value can be expected. These deviations will change slowly during the life of an electrode.

It is therefore essential to routinely calibrate the system using solutions with a known and constant pH value. For the majority of tests carried out on aqueous solutions, with a reasonable ionic strength; at ambient temperatures and with limited use in strongly acidic or alkaline solutions, the standard glass or epoxy bodied combination electrode is ideal.

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Any parameters not saved will remain as defaults or previous setting.

To set these parameters: AUTO relates to the Jenway buffer types supplied with the instrument. If a 2 or 3 point calibration is being performed the display will move on to the 2 and then 3 point calibration buffer set up screens. The correct values should be entered and saved as for the 1 point calibration.

When all chosen buffer types have been entered and confirmed the instrument display will update to show the next set up menu option.

Symbol will flash while adjustment is being made. The display will show: The data jenwah and parity will automatically adjust as the baud rate is selected. Buffer solutions should be carefully jenwxy as per the manufacturers instructions. When using manual temperature compensation no ATC probe fitted the solution temperature should be measured and the value entered in the set up menu prior to calibrating the instrument refer 3.

The instrument will then update the display. The display will then show the next part of the calibration sequence if a 3 point calibration has been selected.

Laboratory Equipment & Supplies

If a 2 point calibration only is required the instrument will return to the main measuring screen. CAL 3 Immerse the electrode s in the third buffer solution and allow the instrument to stabilise. When no change in the least significant display digit is detected over a five second period the endpoint symbol will be displayed. If a separate reference electrode is to be used, this should be connected to the Ref socket.

The memory location will be given on the status display. Up to 32 results can be stored. Each result will be stored in the next available memory location.

The instrument will store: It is only necessary to keep the external surfaces clean and free from dust. To give added protection when not in use the unit should be switched off and covered with the optional dust cover Optional Accessories Optional Accessories Optional Accessories The following list of items are available as optional accessories for use with the Model The following list of items are available as optional accessories for use with the Model The Bi-directional RS interface is available on the rear panel 9 way D type connector.

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The connections are as follows: Connect the printer via the cable supplied with the printer to the 9 way socket located on the rear panel meher the instrument.

3510 pH Meter, Jenway

Usage of other units will cause the not to operate. To make measurements from this point refit the ATC probe and pH probe and calibrate the using fresh buffer solutions see section 3.

Where there is a possibility that injury, interference and may be expected not to damage or loss might occur if equipment malfunctions interfere with, or be a ected by, other equipment with due to radio frequency interference, or for general similar quali cations.

Page of 36 Go. Table of Contents Add to my manuals Add. Summary of Contents for Jenway Page 1: Page 3 Safety Please read this information carefully prior to installing or using this equipment. Installation The Model is supplied ready to use. Operation If the liquid junction is inefficient then measurement will be inaccurate. Preparation Of Buffer Solution The voltage developed by each individual pH electrode in the presence of a known hydrogen ion concentration is theoretically predictable, but in practise deviations from the theoretical value can be expected.

Good Practice Guidelines 3.

Jenway pH Meter

Page 17 If a 2 or 3 point calibration is being performed the display will move on to the 2 and then 3 point calibration buffer set up screens. Results Storage And Display 3. Interfacing The Bi-directional RS interface is available on the rear panel 9 way D type connector. Troubleshooting Usage of other units will cause the not to operate. Page 35 mfter so we cannot guarantee that interference 3150 not This product meets the applicable EC harmonised standards for radio frequency occur in practice.

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