Casella CEL CEL-368 - Manual (Page 3)

Contents Page
1. SIMPLIFIED ROUTINE OPERATIONS . . . . . . 1
1.1 Installing The Microphone . . . . . . . . . 2
1.2 Loading Batteries . . . . . . . . . . . . . 3
1.3 Switching ON/OFF . . . . . . . . . . . . 3
1.4 Field Accuracy Check
(Acoustic Calibration) . . . . . . . . . . . 4
1.5 Use With Current Settings . . . . . . . . 6
1.6 Checking/Deleting Memory Contents . . . 7
1.7 Measurement Parameters . . . . . . . . 7
1.8 Instrument Parameters . . . . . . . . . 10
1.9 Read Current SPL . . . . . . . . . . . 12
1.10 Read Cumulative (Whole Run) Results . 13
1.11 Read Period Results . . . . . . . . . . 13
1.12 Read Event Results . . . . . . . . . . . 14
1.13 Inspect Event Graphs . . . . . . . . . . 15
1.14 Printing Data . . . . . . . . . . . . . . 15
2 INTRODUCTION . . . . . . . . . . . . . . . . 17
2.1 Control & Display . . . . . . . . . . . . 18
2.2 Data Storage . . . . . . . . . . . . . . 18
2.3 Measurement Modes . . . . . . . . . . 19
3. SCHEDULE OF PARTS . . . . . . . . . . . . . 21
4. DESCRIPTION . . . . . . . . . . . . . . . . . 23
4.1 Store Allocation . . . . . . . . . . . . . 23
4.2 Operating modes . . . . . . . . . . . . 23
4.3 Instrument Description . . . . . . . . . 28
4.4 Acoustic Input . . . . . . . . . . . . . . 29
4.5 Analog Section . . . . . . . . . . . . . 32
4.6 Digital Section . . . . . . . . . . . . . . 32
4.7 Built-in Timer . . . . . . . . . . . . . . 34
CEL-268/368 Environmental Noise Meters Handbook - Page iii