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Delta DO 9704 manual LOW Battery Warning and Battery Replacement

Models: DO 9704

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LOW BATTERY WARNING AND BATTERY REPLACEMENT

HWhen the battery has run down and its voltage has reached the limit value of 7.2 Volts, the symbol appears permanently on the display and an alarm beep sounds at regular intervals of about 15

seconds. In these conditions the battery should be replaced as soon as possible.

If you continue to use the instrument and the battery voltage falls as low as 6.5V the instrument is no longer able to ensure correct measurement.

AFTER CHANGING THE BATTERY YOU MUST UPDATE THE CLOCK AND THE SET PARA- METERS.

To change the battery turn the instrument retaining screw in an anti-clockwise direction. After repla- cing it (with an ordinary 9V alkaline battery) close the instrument, inserting the tag into the slot pro- vided, and turn the screw in a clockwise direction.

The stored data will not be lost even if the instrument remains without batteries as long as the working routines have been completed.

Ensure that the instrument is switched off before changing the battery.

The symbol Happears fixed to indicate that the battery is low. This indication prevails over all the other signals which make use of the symbol H. In RCD function the symbol Hflashes at a fre- quency of 2 Hz. In Auto Power Off function the symbol Hflashes at a frequency of 1 Hz. The fla- shing of the RCD function prevails over the flashing of Auto Power Off.

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Delta DO 9704 manual LOW Battery Warning and Battery Replacement

Contents

Instructions Manual Page Pressure and Temperature DATA-LOGGER English Introduction Keyboard KEY NumbersNumbers Function DescriptionSimbols LIT Besides RELSerial Output Simbols LIT Besides Function Numbers DescriptionTom of the display 300 Baud P0+Press the Prog key to move on to step P1 600 BaudP1+ = data dump Hours minutes Seconds P1+Storage This parameter is used for the fol- lowing two functionsFunction P3+ P4+ = set yearP5+ = set month P6+ = set day P7+ = set hours P8+ = set minutes P9+ Self cut-outP10 P10+To stop storage, press the Enter key Complete printing Reduced printingData Call P11+P11 + Start-StopKEY Simbols LIT Besides Operating modeWhen this operative Ches itself off againIf the battery symbol does not fla Simbols LIT Besides Function Numbers Description EnterAfter having taken note Restart itMore than 30,000 acquisitions HOW to Measure Probe ConnectionVarious operations Temperature Measurement Method of Using the Instrument and WarningsFUL Instrument Signals and MalfunctionsErr LOULOW Battery Warning and Battery Replacement Storage of the Instrument Serial Interface RS 232CType of terminal Command Type ReplyParity None Bit Stop bit Protocol Xon/Xoff Dumping data from the memoryMemory clear Diagram do PrinterExample of a Report Printed by the Instrument English Hardware connection Software connection with WindowsOK to confirm the setting one click Mark local Echo one click 100 101 Switch on the measuring instrument 102OK to confirm Cancel in the next window 103Parity None 104105 106 107 108 109 To quit running the Hyper Terminal To end receiving data from an instrumentSelect END from the pull-down sub-menu one click 110Calibrating the Instrument do Vdc=465.5Flow Rate Measurements 113 Probe connection diagram Instrument doConnection of Probes to the Pressure Gauge Data Logger do Turbine probe for measuring flow rate SEL R100 105 110 115 Between 4Classification of Pressure Measurements GaugeConversion Factors and Tables = 3,386 x 103 Pa Psi = PaPsi = kPa = 2,491 x 102 Pa118 Weight / dimensions 320 gr. / 215x73x38 mm Instrument Technical DataConnector DIN 45326 8-pole Minimum, Mean, Relative, A-B differential120 121 Order Codes Guarantee Display blocked Examples of USE of the KeyboardSerial line 124Pressing Data Call repeatedly gives 125Instrument programming Sets hour Sets yearSets day 127Date and time Enables self cut-out +Normal operating Data printing is reduced 128Function Activation or disactivation of the serial outputActivation or disactivation of the Record function Serial output activeActivation and disactivation of the storage function 130Index 131132 Safety EN61000-4-2, EN61010-1 level