Lutron Electronics SL-4022 Скачать руководство пользователя страница 9

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3) Please don't keep or operate the instrument at

high temperature & humidity environment for a
long period.

4) Keep microphone dry & avoid serious vibration.
5) For general application of sound dB measurement,

we recommend select the panel switch to the
following position :

3-3 Time Weighting ( Fast/Slow ) selector

Select to " F "

3-4 Max. hold & Instant display selector

Select to " Instant "

3-7 A/C weighting selector

Select to " A weighting "

3-9 Range selector

Select to " 30 - 70 dB " or " 60 - 100 dB ".

3-10 Power off/On/Internal calibration selector

Select to " 1 " ( On ).

6. SIGNAL OUTPUT

1) The instrument is provided an 3.5 mm Dia. " Phone signal

output terminal " ( 3-7, Fig. 1 ) for connecting with
analyzer, level recorder, tape recorder, controller
...etc.

2) Output Signal :

AC output - AC 750 mVrms corresponding to each range
step.

Содержание SL-4022

Страница 1: ...or you into the field of precision measurement Although this METER is a complex and delicate instrument its durable structure will allow many years of use if proper operating techniques are developed...

Страница 2: ...Max hold function 4 3 7 A C weighting selector 4 3 8 Signal output terminal 4 3 9 Range selector 4 3 10 Power off On Internal calibration selector 4 3 11 Battery Compartment Cover 4 3 12 Range upper l...

Страница 3: ...m value on display Build max hold reset switch Warning indicator for over and under load LCD display for low power consumption clear read out even in bright ambient light condition Used the durable lo...

Страница 4: ...s Human Frequency Ear Listing response Typical if making Weighting the environmental sound level measurement Network always select to A weighting C weighting The characteristic is near the FLAT respon...

Страница 5: ...rms corresponding to each range step Output 3 5 mm Dia phone output terminal is Terminal provided for connection with analyzer level recorder tape recorder Operating 0 to 50 32 to 122 Temperature Oper...

Страница 6: ...d Instant display selector 3 5 Calibration VR Accuracy adjust VR 3 6 Reset button for Max hold function 3 7 A C weighting selector 3 8 Signal output terminal 3 9 Range selector 3 10 Power off On Inter...

Страница 7: ...ease ref page 9 b The characteristic of A weighting is simulated as the Human Ear Listening response Typically if making the environmental sound level measurement always select the A weighting typical...

Страница 8: ...on display slide Max hold Instant display selector 3 4 Fig 1 to the Max hold position Note a During the operation of Max hold function push Reset button for Max hold function 3 6 Fig 1 once a while wi...

Страница 9: ...low selector Select to F 3 4 Max hold Instant display selector Select to Instant 3 7 A C weighting selector Select to A weighting 3 9 Range selector Select to 30 70 dB or 60 100 dB 3 10 Power off On I...

Страница 10: ...instate the cover 8 CALIBRATION The sound level meter is built in the internal calibration Calibration VR 3 5 Fig 1 on the front panel Please according the following procedures to calibrate the instru...

Страница 11: ...cording the following procedures to calibrate the instrument before making operation if the instrument not in use for a long time The calibration method are similar as above 8 1 but not connect the ex...

Страница 12: ...4 dB 500 Hz 3 2 dB 0 dB 1 4 dB 1 KHz 0 dB 0 dB 1 1 dB 2 KHz 1 2 dB 0 2 dB 1 6 dB 4 KHz 1 dB 0 8 dB 1 6 dB 8 KHz 1 1 dB 3 dB 2 1 dB 3 1 dB 12 5 KHz 4 3 dB 6 2 dB 3 0 dB 6 0 dB 16 KHz 6 6 dB 8 5 dB 3 5...