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Related Manuals for Omicron Lab CP AL1
Summary of Contents for Omicron Lab CP AL1
- Page 1 CP AL1 User Manual FFT VOLTMETER FOR STEP AND TOUCH VOLTAGE MEASUREMENTS...
- Page 2 CP AL1 User Manual Manual Version: CPAL1.AE.1 © OMICRON electronics 2007. All rights reserved. This User Manual is a publication of OMICRON electronics GmbH. All rights including translation reserved. Reproduction of any kind, e.g., photocopying, microfilming or storage in electronic data processing systems, requires the explicit consent of OMICRON electronics.
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Page 3: Table Of Contents
Contents Contents Introduction ...........5 Delivery . - Page 4 CP AL1 User Manual...
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Page 5: Introduction
Do not disassemble the CP AL1. • Never use the CP AL1 in a damp environment. • Remove the batteries as soon as they are flat or if the CP AL1 is not intended to be used for a longer period of time. -
Page 6: Connectors
CP AL1 User Manual 1.3 Connectors The CP AL1 provides the following connectors on the rear: • XLR input for feeding a signal 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. -
Page 7: Battery Replacement
To insert or replace batteries, remove the rear cover, and then insert three 1.5 V alkaline batteries, type AA/LR6 into the CP AL1 battery compartment as shown below. The typical life-time for a set of alkaline batteries is 16 hours. -
Page 8: Ce Declaration Of Conformity
Technical Director 1.6 Test & Calibration Certificates This is to certify the Acoustilyzer CP AL1 is fully tested to the manufacturer’s specifications. NTI recommends to calibrate this test instrument one (1) year after purchase. Thereafter the calibration and adjustment interval is... -
Page 9: International Warranty
Introduction 1.7 International Warranty NTI guarantees the functionality of the Acoustilyzer CP AL1 against defects in material or workmanship for a period of one year from the date of original purchase, and agrees to repair or to replace at its discretion any defective unit at no cost for either parts or labor during this period. - Page 10 CP AL1 User Manual...
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Page 11: Operation
ESC button ENTER/cursor keys To switch the CP AL1 on/off, press the power on/off button for at least 2 sec. The LCD displays the menu bar on the top and the measurement results beneath. The cursor keys and the ESC button allow straightforward navigation through the current screen displaying: •... -
Page 12: Menu Bar
CP AL1 User Manual 2.1 Menu Bar The menu bar allows configuring the CP AL1 for the measurement. Figure 2-2: Menu bar Input filter Measurement function Setup screen Memory menu & battery state indication... -
Page 13: Measurement Functions
Operation 2.2 Measurement Functions Figure 2-3: Measurement function menu The CP AL1 features two major measurement functions accessible via the menu bar: • FFT: real-time Zoom FFT • RMS/THD: level and distortion measurements To set the measurement function, select FFT or RMS/THD on the measurement function menu. - Page 14 CP AL1 User Manual The screen elements in the FFT measurement mode are described below. Pause Figure 2-5: Pause command stops measurements temporarily. To pause a measurement: 1. Select the symbol, and then press the ENTER key. symbol is flashing.
- Page 15 Operation Cursor Readout Figure 2-6: Cursor readout The cursor readout displays the frequency and level of the bin marked by the cursor. Initially, 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.
- Page 16 CP AL1 User Manual X-Axis Figure 2-7: X-axis The X-axis displays from left to right the start frequency, the frequency range and the stop frequency. To set the displayed frequency range: 1. Select the frequency range field, and then press the ENTER key.
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Page 17: Rms/Thd Measurement
2. 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 following measurement functions: • Level RMS: level of the measured signal •... - Page 18 CP AL1 User Manual Level RMS The units dBµ, dBV, dBSPL and V are selectable. Distortion THD+N The distortion measurement is carried out within the bandwidth 10 Hz…20 kHz. The results are given in dB or in %. Signal Balance The signal balance field shows the matching deviation of the incoming signal between pin 2 and pin 3 in %.
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Page 19: Input Filters
Table 3-2: "Input filters" 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. The setup screen opens. - Page 20 4) on the start screen. After the CP AL1 is switched off, the setting values are stored under this ID. Note: To load the default settings after switching the CP AL1 off, press and hold the ESC button, and then press the power on/off key for at least 2 sec.
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Page 21: Memory Menu
Figure 2-12: Memory menu All measurement results can be stored in the CP AL1 internal memory, viewed and processed. Each memory record is saved with a file name beginning with the capital A followed by a number between 000…999 and the measurement mode, e.g. - Page 22 2. Select the memory record 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 the front. You can display the marked record at any time later by holding down the ESC button and pressing the ENTER key.
- Page 23 Operation To delete stored measurement data individually: 1. Select VIEW+DELETE on the memory menu. 2. Select the 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.
- Page 24 CP AL1 User Manual 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 ENTER key.
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Page 25: Battery State Indication
Operation 4. Press the ESC button, and then press the ENTER key. The loaded measurement data is displayed and LOD is flashing 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 follows:... - Page 26 CP AL1 User Manual...
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Page 27: Technical Data
Technical Data 3 Technical Data Table 3-1: Measurement functions Measurement Functions Specifications Zoom FFT Real-time Zoom FFT with 50% overlapping, 93 bins Frequency range: 10 Hz…20 kHz Resolution: 0.73 Hz…187.5 Hz Level RMS Units: Vrms (dBµ, dBV) Resolution: 4 digits (V scale), 3 digits (dB scale) Accuracy: ±1% Bandwidth: 20 Hz…20 kHz Distortion THD+N... - Page 28 CP AL1 User Manual Filter Characteristic Application HP19k High-pass filter 19 kHz Removes low-frequency components of the measurement signal, e.g. for measuring the 20 kHz pilot tone level of critical public announcements systems. Table 3-3: Technical specifications Characteristic Specifications Input level RMS (upper 3.8 Vrms (unbalanced)
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Page 29: Contact Information / Technical Support
Contact Information / Technical Support Contact Information / Technical Support Europe, Africa, Middle East OMICRON electronics GmbH Phone: +43 5523 507-333 E-Mail: support@omicron.at Web: www.omicron.at Asia, Pacific OMICRON 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. - Page 30 OMICRON Contact Addresses...
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Page 31: Index
Index Index FFT analysis ......13 address manufacturer ..... . 29 hotline . - Page 32 CP AL1 User Manual pause ......14 power on/off button ....11 RCA connector .