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CP AL1

User Manual

FFT VOLTMETER FOR STEP AND TOUCH

VOLTAGE MEASUREMENTS

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Summary of Contents for CP AL1

Page 1: ...CP AL1 User Manual FFT VOLTMETER FOR STEP AND TOUCH VOLTAGE MEASUREMENTS...

Page 2: ...ser Manual are not contractually binding OMICRON electronics reserves the right to make changes at any time to the technology and or configuration without announcement OMICRON electronics is not to be...

Page 3: ...y 8 1 6 Test Calibration Certificates 8 1 7 International Warranty 9 2 Operation 11 2 1 Menu Bar 12 2 2 Measurement Functions 13 2 2 1 FFT Analysis 13 2 2 2 RMS THD Measurement 17 2 3 Input Filters 19...

Page 4: ...CP AL1 User Manual 4...

Page 5: ...imple However fundamental working knowledge of the step and touch voltage measurement techniques is a prerequisite for using the CP AL1 1 1 Delivery The CP AL1 delivery includes FFT voltmeter CP AL1 A...

Page 6: ...to the CP AL1 RCA input for feeding a signal to the CP AL1 3 5 mm 1 18 jack designed for internal use only Never connect any electrical signal to this connector Note Never connect electrical signals s...

Page 7: ...tery compartment as shown below The typical life time for a set of alkaline batteries is 16 hours Figure 1 2 Inserting batteries When replacing the batteries Do not use rechargeable NiCd or NiMH batte...

Page 8: ...68 Harmonized Standards EN 61326 1 This declaration becomes void in case of any changes on the product without written authorization by NTI Date 1 September 2004 Signature Position of signatory Techn...

Page 9: ...ply input signal voltage or connector type other than specified or wrongly polarized batteries In particular no responsibility is granted for special incidental or consequential damages This warranty...

Page 10: ...CP AL1 User Manual 10...

Page 11: ...on through the current screen displaying Measurement settings measurement function filters Measurement results numerical or graphical display The base element is the cursor inverted area which may be...

Page 12: ...P AL1 User Manual 12 2 1 Menu Bar The menu bar allows configuring the CP AL1 for the measurement Figure 2 2 Menu bar Measurement function Input filter Setup screen Memory menu battery state indication...

Page 13: ...urement function select FFT or RMS THD on the measurement function menu 2 2 1 FFT Analysis The CP AL1 implements an extremely fast real time Zoom FFT analysis with resolutions up to 0 7 Hz over the en...

Page 14: ...mode are described below Pause Figure 2 5 Pause The command stops measurements temporarily To pause a measurement 1 Select the symbol and then press the ENTER key The symbol is flashing 2 Select the...

Page 15: ...y the cursor automatically marks the bin with the highest level To control the cursor readout 1 Select the cursor readout field and then press the ENTER key A frame around the field is flashing 2 Move...

Page 16: ...ange 1 Select the frequency range field and then press the ENTER key 2 Set the displayed frequency range using the up down arrow keys 3 Move the displayed frequency range using the left right arrow ke...

Page 17: ...Move the displayed Y axis range using the up down arrow keys 3 Set the Y axis resolution using the left right arrow keys 2 2 2 RMS THD Measurement In the RMS THD mode the CP AL1 implements the followi...

Page 18: ...in center the input signal is balanced Arrow out of center linear indication of a balancing problem E g the arrow shifted to the left shows the signal level on pin 2 is higher than on pin 3 Arrow at t...

Page 19: ...ilters on page 27 2 4 Setup Screen Figure 2 11 Setup screen The setup screen allows customizing the CP AL1 basic settings To customize the settings 1 Select the setup screen menu SET on the menu bar T...

Page 20: ...efines how long the backlight stays on after any key press The available values are 3 SEC 10 SEC 60 SEC and DISABLE If DISABLE is selected the backlight stay on until the CP AL1 is switched off Note L...

Page 21: ...mory menu entries Memory Menu Entry Description STORE BMP Saves the numeric measurement results including the graphical display STORE Not supported by the current software version VIEW DELETE Lists th...

Page 22: ...rd you want to view using the cursor keys 3 Press and hold the ENTER key The stored measurement results are displayed on the CP AL1 screen Note The last selected record is marked by the full square in...

Page 23: ...he record you want to delete using the cursor keys 3 Select the corresponding DEL field 4 Press the ENTER key and then select OK in the dialog box To delete all stored measurement data 1 Select VIEW D...

Page 24: ...User Manual 24 To load stored measurement data 1 Select LOAD on the memory menu The display lists the memory records available for loading 2 Select the memory record you want to load 3 Press the ENTE...

Page 25: ...ing in the menu bar 5 Select LIVE MODE on the memory menu to switch to the current measurement 2 6 Battery State Indication The battery state is indicated by the memory menu field in the menu bar as f...

Page 26: ...CP AL1 User Manual 26...

Page 27: ...20 kHz Resolution 4 digits scale 3 digits dB scale Residual THD N Balanced 85 dB 10 dB 20 dB Unbalanced 74 dB 0 dB 14 dB Frequency Range 10 Hz 20 kHz Resolution 4 digits Accuracy 1 Filter Characterist...

Page 28: ...put level RMS upper measurement limit 3 8 Vrms unbalanced for input levels 3 8 Vrms unbalanced the adapter ML 1 20 dB has to be used Max DC input 50 V DC Input impedance Balanced 40 k Unbalanced 20 k...

Page 29: ...RON electronics Asia Ltd Hong Kong Phone 852 2634 0377 E Mail support asia omicron at Web www omicron at North and South America OMICRON electronics Corp USA Phone 1 713 830 4660 or 1 800 OMICRON E Ma...

Page 30: ...OMICRON Contact Addresses 30...

Page 31: ...r readout 15 D deleting measurement data all 23 individually 23 distortion THD N 18 E ESC button 11 F FFT analysis 13 H hotline 29 I input filter 19 27 L level RMS 18 loading measurement data 24 M man...

Page 32: ...ual 32 P pause 14 power on off button 11 R RCA connector 6 28 S Service OMICRON address 29 signal balance 18 support 29 T technical support 29 V viewing measurement data 22 X X axis 16 XLR connector 6...

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