IET Labs 1565-E User And Service Manual Download Page 1 | Manualshive

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IET Labs 1565-E User And Service Manual Download Page 1

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REPRODUCTION AND DISTRIBUTION OF THIS TECHNICAL MANUAL

IS AUTHORIZED FOR U.S. GOVERNMENT PURPOSES

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Summary of Contents for 1565-E

Page 1: ...REPRODUCTION AND DISTRIBUTION OF THIS TECHNICAL MANUAL IS AUTHORIZED FOR U S GOVERNMENT PURPOSES...

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Page 3: ...charge when returned to IET Changes in this product not approved by IET or application of voltages or currents greater than those allowed by the speci cations shall void this warranty IET shall not b...

Page 4: ...E USED TAKE ALL MEASURES TO AVOID ACCIDENTAL CONTACT WITH ANY LIVE COMPONENTS USE MAXIMUM INSULATION AND MINIMIZE THE USE OF BARE CONDUCTORS WHEN USING THIS INSTRUMENT Use extreme caution when working...

Page 5: ...2 Connection 7 3 2 1 General Considerations 7 3 2 2 Electrical Considerations 7 3 2 3 Four Wire Kelvin Lead Connections 7 3 2 4 Thermal emf Considerations 7 3 3 Dial Setting 8 3 4 Environmental Condit...

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Page 7: ...aped for comfort able hand held operation and tapered at the microphone end to minimize the effect of case diffraction It consists of the following elements a mi crophone to pickup sound an ampli er t...

Page 8: ...range set by range select switch Power One 9V 6F22 or equivenent alkaline battery supplied provides 50 hours of opera tion Environmental Temperature 0 to 50 C operating 40 to 60 C storage with batteri...

Page 9: ...FIGURE 2 1 Typical OPERATING GUIDE Af xed to Unit Please see label af xed to your unit...

Page 10: ...Sound Level Meter Instruction Manual 2 Carry case for SLM and accessories 1565 E CASE 3 Windscreen 1565 E WS 4 Adjustment screwdriver 1565 0440 01 5 9 V battery 6F22 6 Phone plug for ac dc output 156...

Page 11: ...s 3 2 2 FAST SLOW Response Time Select either FAST 125msec response or SLOW 1sec response measurement mode via the RESPONSE switch Selection of Fast or Slow is determined by the application and any di...

Page 12: ...3 3 2 External Calibration Attach an external sound level calibrator such as the IET Labs 1562 A Sound Level Calibra tor 1kHz at 114 dB or similar calibrator at 94 dB or 114 dB completely over the mic...

Page 13: ...1565 E worksheet Insert the microphone of the DUT fully into the transducer of the 1986 Set the DUT measurement speed to fast This speed will be used for all tests Turn on the DUT and select C weight...

Page 14: ...uency Characteristics C Weighting 125 Hz 113 8 dB HI 112 3 115 3 dB 250 Hz 114 0 dB 112 5 115 5 dB 500 Hz 114 0 dB 112 5 115 5 dB 1 kHz 114 0 dB 112 5 115 5 dB 2 kHz 113 8 dB 112 3 115 3 dB 4 kHz 113...

Page 15: ...window 1565 E 200 can be scratched Care should be taken to clean with soft cloth 4 3 3 Disassembly of the 1565 E The 1565 E can be disassembled by removing the two screws located on the rear of the 1...

Page 16: ...565 E requires factory service 3 1565 E does not display 94 dB when set to internal calibration function of when using external calibrator Adjust calibration poten tiometer on front panel This is a no...

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