Valcom Pro II V-9992 Скачать руководство пользователя страница 8 | Manualshive

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Valcom Pro II V-9992 Скачать руководство пользователя страница 8

SOUND LEVEL METER

AC output terminal

-

1 Vrms Corresponding to each range step.

- Output impedance = 100 ohms
- Output signal by standard 3.5 mm coaxial socket signal on pin.

Battery Cover

V. Calibration

Procedures

Using a standard Acoustic Calibrator (94dB, 1kHz sine wave).

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Содержание Pro II V-9992

Страница 1: ...Pro II Sound Level Meter V 9992 ...

Страница 2: ...Page I Safety Information 1 II General Description 1 2 III Specifications 2 3 IV Name and Functions 4 5 V Calibration Procedures 6 7 VI Measurement Preparation 7 VII Operating Precautions 7 VIII Measurement 8 ...

Страница 3: ...ly wipe the case with a dry cloth Do not use abrasives or solvents on this instrument Safety Symbols Comply with EMC When servicing use only specified replacement parts II General Description Thank you for using our Sound Level Meter To ensure that you can get the most from it we recommend that you read and follow the manual carefully before use This unit conforms to the IEC651 type 2 ANSI S1 4 ty...

Страница 4: ...z 8kHz Measuring Level Range 32dB 130 dB Frequency Weighting A and C scale Microphone inch electret condenser microphone Display LCD Digital Display 4 digit Resolution 0 1dB Display Update 0 5 sec Time Weighting FAST 125 mS Slow 1 sec Level Ranges Lo 32dB 80dB Med 50dB 100dB Hi 80dB 130dB Accuracy 1 5dB under reference conditions 94dB 1kHz Dynamic Range 50dB Alarm Function OVER is shown when input...

Страница 5: ... Life Approximately 70 hours alkaline battery Operation Temperature 0 to 40 C 32 to 104 F Operation Humidity 10 to 90 Relative Storage Temperature 10 to 60 C 14 to 140 F Storage Humidity 10 to 75 Relative Dimensions 9 1 L x 2 1 W x 1 3 H 23 1 cm x 5 3 cm x 3 3 cm Weight 75 lbs 34 kg including battery Accessories 9V alkaline battery instruction manual carrying case screwdriver and windscreen 3 ...

Страница 6: ...SOUND LEVEL METER IV Name And Functions 1 Windscreen If you operate at wind speed over 10m sec 22 mph please use protective accessory 2 Display 4 ...

Страница 7: ...ght the MAX MIN mode will clear 5 Frequency Weighting Select Button A Weighting For general sound level measurements C Weighting For checking the low frequency content of noise If the C weighted level is much higher than the A weighted level then there is a large amount of low frequency noise 6 Time Weighting Select Button FAST for measuring peak sound levels SLOW for measuring average or nominal ...

Страница 8: ...rminal 1 Vrms Corresponding to each range step Output impedance 100 ohms Output signal by standard 3 5 mm coaxial socket signal on pin Battery Cover V Calibration Procedures Using a standard Acoustic Calibrator 94dB 1kHz sine wave 6 ...

Страница 9: ...t in one 9V Battery 2 Battery Replacement When the battery voltage drops below the operating voltage mark appears If it appears battery should be replaced with new one VII Operating Precautions 1 Wind blowing across the microphone would bring additional extraneous noise When using the instrument in the presence of wind it is a must to mount the windscreen to not pick up undesired signals 2 Calibra...

Страница 10: ...eneral noise sound level and C weighting for measuring sound level of acoustic material 3 Select desired level 4 Hold the instrument comfortably in hand and point the microphone at the suspected noise source the sound pressure level will be displayed 5 When MAX MIN maximum minimum hold mode is chosen the instrument captures and holds the maximum and minimum noise level for a long period using any ...

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