G.R.A.S. AL0010 Instruction Manual Download Page 1 | Manualshive

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G.R.A.S.

Sound & Vibration

Skovlytoften 33, 2840 Holte, Denmark

Tel. +45 45 66 40 46 Fax +45 45 66 40 47

Instruction Manual

Actuator Calibration Stand
Type AL0010

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Summary of Contents for AL0010

Page 1: ...G R A S Sound Vibration Skovlytoften 33 2840 Holte Denmark Tel 45 45 66 40 46 Fax 45 45 66 40 47 Instruction Manual Actuator Calibration Stand Type AL0010 ...

Page 2: ...Revision 02 11 2004 Actuator Calibration Stand Type AL0010 ...

Page 3: ...Actuator Calibration Stand Type AL0010 Page 2 G R A S Sound Vibration Actuator Calibration Stand Type AL0010 Actuator Calibration Stand Type AL0010 ...

Page 4: ... mounting a 1 inch microphone on a 1 2 inch preampli er Additional Equipment Fig 5 shows what additional equipment can be supplied by G R A S Sound Vibration and Fig 6 shows a block diagram of a possible set up with all additional equipment The following is a list of all required additional equipment 1 Power supply for the 1 2 inch preampli er e g the G R A S Power Module Type 12AK shown in Fig 5 ...

Page 5: ... swept tone Items 3 and 4 could be combined in the same unit e g a computer tted with suitable hardware and software for A D and D A conversions in order to simulate both a signal generator and measurement ampli er Test Procedure General The basic stages in the test procedure are 1 Setting up the microphone on the AL0010 see Fig 3 or Fig 4 2 Applying a signal via the actuator supply to the electro...

Page 6: ...l output level as required Applying a Swept Signal and Measuring the Output from the Microphone The following describes a typical procedure for applying the swept signal It is assumed that the generator and measuring ampli er work to produce constant con dence results i e maintaining a constant β T product in real time throughout the frequency range of interest and make the measurement data availa...

Page 7: ... the frequency response of a 1 2 inch condenser microphone 1 2 inch Electro static Actuator RA0014 1 2 inch condenser microphone without protection grid Remove protec tion grid Parking places for 1 2 inch Actuator when not in use 1 2 inch preampli er From the 1 2 inch Electro static Actuator RA0014 ...

Page 8: ...he frequency response of a 1 inch condenser microphone 1 inch Electro static Actuator RA0015 1 inch condenser microphone without protection grid Remove protec tion grid Adapter RA0017 Parking places for 1 inch Actuator when not in use 1 2 inch preampli er From the 1 inch Electro static Actuator RA0015 ...

Page 9: ...Actuator Calibration Stand Type AL0010 Page 8 G R A S Sound Vibration Fig 5 Showing AL0010 in a set up with Power Module Type 12AK and Actuator Supply Type 14AA Type 14AA Type 12AK ...

Page 10: ...g ampli er From signal generator to AC Input Actuator Supply Type 14AA To AL0010 from AC Output 800 V DC via thin lead of AL0010 AL0010 set up for testing a 1 2 inch micro phone see Fig 3 Power Module Type 12AK Computer with hardware and software for simulating a signal generator capable of generating logarithmi cally swept tones a measuring ampli er From preampli er to Input ...

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