CASELLA CEL CEL-450 Informações Técnicas descarregar pdf (Página 5)

Contents

Chapter . . . . . . . . . . . . . . . . . . . Page

1. INTRODUCTION . . . . . . . . . . . . . . . . . . 7

1.1 Display & Keys . . . . . . . . . . . . . . . . . . . . 7

1.2 Quick Edit . . . . . . . . . . . . . . . . . . . . . . . 9

1.3 Install Microphone, Preamplifier & Batteries . . . . 10

1.4 Switch Instrument ON/OFF . . . . . . . . . . . . . 10

1.5 Description . . . . . . . . . . . . . . . . . . . . . 12

1.6 CEL-450 Sound Level Meters . . . . . . . . . . . . 14

1.7 CEL-490 Sound Level Meter . . . . . . . . . . . . 15

1.8 Instrument Power Supplies . . . . . . . . . . . . . 16

1.9 dB23 SoundTrack Software . . . . . . . . . . . . . 17

2. PRELIMINARY OPERATIONS . . . . . . . . . . . . 19

2.1 Select Instrument Configuration (Language,

Microphone Response Etc.) . . . . . . . . . . . . . 19

3. SELECT MEASUREMENT MODE,

TIMER SETTINGS & SETUP . . . . . . . . . . . . 23

3.1 Select Measurement Mode

(Bandwidth) . . . . . . . . . . . . . . . . . . . . . 23

3.2 Select Run Timing . . . . . . . . . . . . . . . . . . 23

3.3 Select Measurement Setup

(Factory- or User-Prepared Setups) . . . . . . . . . 27

3.3.1 Select Broadband Measurement Setup . . . . . . . 27

3.3.2 Select Narrow Band Measurement Setup . . . . . 32

4. ACOUSTIC CALIBRTION CHECK . . . . . . . . . . 37

4.1 Perform Acoustic Calibration Check . . . . . . . . 37

4.1.1 Automatic Calibration Check . . . . . . . . . . . . 38

4.1.2 Manual Calibration Check . . . . . . . . . . . . . . 41

5. OPERATION . . . . . . . . . . . . . . . . . . . . 45

5.1 Measurement . . . . . . . . . . . . . . . . . . . . 45

5.1.1 Start Measurement . . . . . . . . . . . . . . . . . 45

5.1.2 Broadband Measurement . . . . . . . . . . . . . . 46

5.1.3 Narrow Band Measurement . . . . . . . . . . . . 49

5.2 Recall Stored Data . . . . . . . . . . . . . . . . . 54

CEL-450/490 Operators Handbook - Page 5

Contents

CASELLA CEL CEL-450 Informações Técnicas Página 5