Valeport 801 EM Operating Manual Download Page 13

System Operation

Page 13

© 2016 Valeport Ltd

4.6.1.  Change Date/Time

Selecting 

SET DATE/TIME

 at the 

LOGGING MENU

 reveals the following display.

C H A N G E

D A T E / T I M E

< < < N E X T

I N C R E A S E > > >

T I M E :

H H : M M

D E C R E A S E > > >

D A T E :

D D / M M / Y Y Y Y

E X I T > > >

INCREASE

Increases the currently selected number by 1.

DECREASE

Decreases the currently selected number by 1.

NEXT

Selects the next number in the time/date sequence.

EXIT

Returns user to 

LOGGING MENU

.  Refer to Section 4.6.

4.6.2.  Viewing Stored Data

Selecting

 VIEW DATA

 at the LOGGING MENU reveals a display similar to that shown below.  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 / Y Y Y Y

H H : M M : S S

< < < V I E W

E X I T > > >

The display shows the record number, serial number, units in which velocity is measured [metres or
feet per second], run mode, and time at which the record was stored [i.e. the end of the
averaging period].

UP

Toggles the record to be viewed up by one.

DOWN

Toggles the record to be viewed down by one 

VIEW

Allows user to view the record currently selected.  A display of the format shown below
will be seen.  Press EXIT on this screen to return to the VIEW DATA screen, allowing
another record to be seen.

EXIT

Returns to the LOGGING MENU.  Refer to Section 4.6.

Summary of Contents for 801 EM

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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