background image

103887 01 

 

9

 

Press

 

to save the present selection. 

3.6.3  Selection of STEP SIZE 

After SLOPE TIME has been selected, STEP SIZE (step size in % of range) can be 
selected for the transmitter types LIN and FLOW. If MODE 4-20mA VALVE is selected, a 
fixed STEP SIZE is applied.  The text 

 is shown in the display for approx. 1 second.  

 

 

Press 

 

or 

 

for setting of  STEP SIZE. A choice can be 

 

made between the step sizes 5%, 10%, 20%, 25%, 50% and 100%. 

 

 

 

 

Press

 

to save the present selection. 

3.6.4  Selection of STEP TIME 

After STEP SIZE has been selected, STEP TIME (the time between changes in the 
AUTO-STEP function) can be changed. Either  

 

s

 or 

 

s

 is shown in the display. 

 

 

Press 

 

or 

 

for setting of  STEP TIME. 

 

 

 

Press

 

to save the present selection. 

 

3.6.5  Selection or de-selection of automatic OFF function 

After STEP TIME has been selected, it is possible to select or de-select the AUTOMATIC 
OFF function (mAcal automatically switched off approx. 30 minutes after a key has last 
been activated). 
 
The text 

 is shown in the display for approx. 1 second. Alongside, the text 

  or 

 appears. 

 

 

Press 

 

and AUTOMATIC OFF is selected. 

  appears in the 

display. 

 

 

 

Press 

 

and AUTOMATIC OFF is deselected. 

  appears in the 

display. 

 

 

 

 

Press 

 

to save the present selection. 

 

 

SETUP is exited and the mAcal is now ready for normal operation with new parameters.

 

Summary of Contents for mAcal

Page 1: ...User Manual mAcal mA loop Calibrator Copyright 2005 AMETEK DENMARK A S...

Page 2: ...SURED 7 3 6 HOW NEW PARAMETERS ARE SELECTED SETUP 8 3 6 1 SELECTION OF MODE 8 3 6 2 SELECTION OF SLOPE TIME 8 3 6 3 SELECTION OF STEP SIZE 9 3 6 4 SELECTION OF STEP TIME 9 3 6 5 SELECTION OR DE SELECT...

Page 3: ...ment In order to avoid any personal injuries and or damage to the instrument all safety instructions and warnings must be observed Disposal WEEE Directive These calibrators contain Electrical and Elec...

Page 4: ...e contacts Keep your fingers behind the finger guards on the probes Do not use the calibrator if it operates abnormally Protection may be impaired When in doubt have the calibrator serviced Disconnect...

Page 5: ...mA MEASURE mA and MEASURE Volt function PWR POWER Change over takes place between EXT the 24VDC of the current loop is generated by an external power supply and INT the 24VDC of the current loop is ge...

Page 6: ...s the readout in as well as STEP values 4 20 4 20mA is selected as the range which affects the readout in as well as STEP values FLOW FLOW transmitters are selected which affects the readout in as wel...

Page 7: ...tested as shown in Fig 3 or Fig 4 on the cover of the user s guide and switch the unit on Press until the display shows SOURCE mA or SOURCE Press for selection of INT or EXT the present selection is...

Page 8: ...n of INT or EXT the present selection is shown in the display If INT is selected the 24VDC of the current loop is generated by the mAcal itself If EXT is selected the 24VDC of the current loop is gene...

Page 9: ...nearly FLOW calculated logarithmically VALVE not calculated AUTO STEP function 3 8 4 4 2 4 or 19 20 21 20 mA Press or for selection of new MODE Press to save the present selection 3 6 2 Selection of S...

Page 10: ...between changes in the AUTO STEP function can be changed Either s or s is shown in the display Press or for setting of STEP TIME Press to save the present selection 3 6 5 Selection or de selection of...

Page 11: ...he text flashes in the display CAUSE The unit measures a negative current REMEDY The test leads and are probably to be changed over 4 3 TEST FOR OVERRANGE The text flashes in the display CAUSE The uni...

Page 12: ...instrument can still be used LOW BAT flashes The batteries are used up The instrument cannot be used The display goes out However the keyed in values are retained REMEDY LOW BAT lights up Change the b...

Page 13: ...e shows the software version After approx 1 second the serial number of the pcb is shown After another approx 1 second the text is shown code must be keyed in Press to exit service mode This option ca...

Page 14: ...til the display shows the same value as is measured with the external precision instrument Press to approve the value The mAcal now carries out a self calibration and adapts its circuits to that measu...

Page 15: ...mA output internal loop pwr Battery types 4 types LR6 AA 1 5V Alkaline Mains adapter 103950 6V DC 230mA EURO with 1 3 mm DC female connector 103957 6V DC 230mA UK with 1 3mm DC female connector 103964...

Reviews: