background image

developed  

by

 

Audioprof nv 

Industriepark Brechtsebaan 8 bus 1 

2900 Schoten - Belgium

Company names, product names and trademarks are property of their 

respective owners. 

Apart-Audio specifications are subject to change without notice.

Summary of Contents for IMPMET

Page 1: ...IMPMET Instruction manual Installed Sound Solutions ...

Page 2: ......

Page 3: ...nnect the speaker lines from the power amplifiers before attempting to perform a measurement Always connect the test leads before activating the measurement cycle Do not connect or disconnect the test leads while the measurement is active To avoid electrical shock do not touch any live parts Make sure the object to be measured has no electrical charge Do not use this instrument near explosive gas ...

Page 4: ...o Z and 100 volt speaker lines Three test ranges 0 20 200 and 2000 ohms Battery powered uses 6 x AA batteries long battery life Low battery indication Data hold function Timer operated measurement cycle approx 30 seconds LOCK function for continuous measurement Auto power off after approx 15 minutes of inactivity 2000 count LCD display with switchable backlight and 10 seconds backlight timer ...

Page 5: ...for black test lead common 2 Ω connector 4 mm red insulated banana jack for red test lead 3 Testing LED this red LED lights up when the unit is performing a measurement cycle 4 TEST button Push the button to start the measurement The testing LED will light up After approximately 30 seconds the ...

Page 6: ...e test button disables continuous measurement 6 HOLD key press this key to freeze the present display reading To exit hold mode press the key once again 7 BACKLIGHT key enable or disable the display backlight 8 FUNCTION switch turn the function switch from the OFF position to the desired measuring range 20 200 or 2000 ohms When the measurement is out of range the symbol I will appear in the displa...

Page 7: ...rd exhausted batteries according to your local waste management regulations Performing a measurement and calculating system power in 100 volt speaker lines Make sure the system under test is disconnected from the power amplifier Connect the test leads to the speaker speaker line Set the function switch to the expected range Press the test button The display will show the measured impedance When th...

Page 8: ...n a 100 volt power amplifier Note when measuring 100 volt speaker lines make sure that all local 100 volt volume controls have been set at max volume Disconnect the speaker line from the amplifier before performing the measurement Never attempt to measure the impedance on live systems This will result in unreliable measurement results and eventually irreparable damage to the measuring instrument ...

Page 9: ...ine Dimensions 168 x 110 x 62 mm Weight approx 500 g including batteries Included accessories test leads with separate alligator clips soft bag and user manual Basic accuracy 2 2 digits at 18 to 28 C and relative humidity 75 Accuracy is valid for a period of one year after initial calibration Test frequency approx 330 Hz Standard Double insulation meets IC 1010 Installation CAT III 100V ...

Page 10: ...10 INSTALLER TOOLS Notes ...

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Page 12: ...Audioprof nv Industriepark Brechtsebaan 8 bus 1 2900 Schoten Belgium Company names product names and trademarks are property of their respective owners Apart Audio specifications are subject to change without notice ...

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