Valeport 801 EM Скачать руководство пользователя страница 23 | Manualshive

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Valeport 801 EM Скачать руководство пользователя страница 23

Care and Maintenance

Page 23

© 2016 Valeport Ltd

7. Care and Maintenance

While the instrument has been designed for field use, it is not indestructible and care should be
taken not to damage either the sensor, cable or Control Display Unit.

In principle the calibration is for life, but as with most instruments it is advisable that check
calibrations should be carried out on an annual basis.

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Содержание 801 EM

Страница 1: ...y or in part and the contents of this document and any method or technique available therefrom must not be disclosed to any other person whatsoever without the prior written consent of the Company Val...

Страница 2: ...Setting Up 8 4 2 Switch On 9 4 3 Running the Unit 10 4 4 Setting Units Averaging Mode and Averaging Period 11 4 5 Option Menu 12 4 6 Logging Menu 15 4 7 Sub Options Menu 16 4 8 Analogue Output Factory...

Страница 3: ...Introduction Page 3 2016 Valeport Ltd 1 Introduction This manual covers the operation of the Valeport Model 801 Electromagnetic Flow Meter Flat Type 0801001 Cylindrical Type 0801002...

Страница 4: ...ector 0801006 Wading Rod adaptor only supplied for the flat sensor 0801004 0801007 Allen Key for wading rod adaptor 0801005 Control and Display Unit 0801008 Carrying case 0801811 Operating manual 2 2...

Страница 5: ...odes on one surface of the sensor and these should normally be facing uppermost The volume of water whose flow is being sensed is a cylinder between the electrodes and extending to approximately 10mm...

Страница 6: ...the one second real time values over the averaging period which has been set maximum period of 600 seconds If an average period is terminated early then the calculation is based on the time since the...

Страница 7: ...ge a data string of average data is outputted at the end of averaging period In moving average the last saved average is outputted when the user presses the STOP key In free running mode the data is o...

Страница 8: ...own calibration Once the system has been connected up it is ready for use For testing purposes all of the CDU operations can be carried out without the sensor in water but the real time data will be...

Страница 9: ...DISPLAY 3 FREE RUNNING F R E E R U N N I N G 8 0 1 H H M M S S S T O P T T T S S S S E C S S E T U P R E A L A V E R A G E X X X X X X X X M S E C S D X X X X S T A R T An explanation of the different...

Страница 10: ...Averaging Period Selecting SET UP in the Run Menu reveals the following display R U N M E N U S E T U P M S E C F T S E C O P T I O N S F I X E D M O V I N G F R E E A C C E P T A V E R A G E P E R I...

Страница 11: ...cannot be set and the maximum is 600 seconds 4 5 Option Menu Logging Beeper Backlight Sub Options Pressing OPTIONS SET UP at the Title Screen or OPTIONS in the Run Menu Setup screens reveals the foll...

Страница 12: ...GE DATE TIME screen This allows the user to alter the unit s internal clock for the purpose of correctly time stamping the recorded data See Section 4 6 1 RESET IDENT Sets the memory pointer to record...

Страница 13: ...elow If no data has been stored the message NO DATA STORED will be displayed I D E N T F F F R E M S E R N O X X X X X U P U N I T S X X X X X X R U N M O D E X X X X X X X X X X X X X D O W N D D M M...

Страница 14: ...no parity bits flow control NONE If the data is to be saved on the PC make sure that the data is directed to a file name It is uploaded as a text file with Tab delimiters so it can be read into a wor...

Страница 15: ...Returns to LOGGING MENU Refer to Section 4 6 4 7 Sub Options Menu Selecting SUB OPTIONS from the OPTIONS MENU reveals one of the following displays i If Frequency or Alarm Outputs not fitted S U B O P...

Страница 16: ...e to this connector Connection details of the Y cable are CDU End Function Analogue Output 6 way female MilSpec bulkhead connector LMH 07A 10 06 SN sockets 6 way male Milspec connector LMH 06F 10 06 P...

Страница 17: ...Standby 92 mA 33 mA Run 229 mA 171 mA The battery life based on good quality alkaline cells operating at approximately 15 degC note performance can reduce with low temperatures and working on a duty...

Страница 18: ...nal External DC power cable has 4mm plugs Red ve Black ve If these are connected using the wrong polarity an internal fuse will blow Refer to factory for instructions for repair The External DC power...

Страница 19: ...Calibrated data from the EM electronics is in mm sec To communicate to the unit and interrupt it press and hold the key on the PC When the unit responds with a enter a single and press cr The unit wi...

Страница 20: ...Coefficient3 Offset3 Max_limit3 cr The offset is the y axis engineering value output intercept at zero counts for the straight line segment The coefficient is the slope of the straight line in enginee...

Страница 21: ...ken to ensure that the water is still From the calibration sheet note the zero offset figure in counts defined for the unit Zc1 This figure can also be read from the unit by the 172 cr command see abo...

Страница 22: ...cr command has to be re entered The output mode can be checked by entering 030 cr and the unit will respond with CAL or NOCAL as appropriate Make the unit go into RUN mode by entering 028 cr The unit...

Страница 23: ...s been designed for field use it is not indestructible and care should be taken not to damage either the sensor cable or Control Display Unit In principle the calibration is for life but as with most...

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