Casella CEL CEL-414 - Manual (Page 4)

Page iv - General CEL Sound Level Meters Handbook
Contents Page
7. USE WITH OTHER EQUIPMENT . . . . . . . . . . . . . . . . 28
7.1 Frequency Analysis With External Filter Sets
(not CEL-266/3 or CEL-328/3) . . . . . . . . . . . . . . 28
7.2 Use With CEL-3025 Vibration Attachment Kit . . . . . 28
7.3 Recording With CEL-238A, CEL-338, & CEL-438
Digital Recorders & Analysers (B, D & CEL-493/3) . . . 29
7.4 Use With Tape Recorders . . . . . . . . . . . . . . . . 30
7.4.1 Recording With a Tape Recorder . . . . . . . . . . . . 31
7.4.2 Replay From a Tape Recorder . . . . . . . . . . . . . . 33
7.5
Graphic Level Recorders . . . . . . . . . . . . . . . . 34
8. DIGITAL INTERFACE (B & D, and CEL-493/3 only) . . . . . . 35
9. EXPLANATION OF TERMS USED . . . . . . . . . . . . . . . 38
9.1 Sound Pressure Level (SPL) . . . . . . . . . . . . . . . 38
9.2 Duration of Measurement Period (DUR) . . . . . . . . 39
9.3 Equivalent Continuous Noise Levels (L eq ) . . . . . . . . 39
9.4 Sound Exposure Level (SEL or L AE ) . . . . . . . . . . . 40
9.5 Maximum Value ( Lmax) . . . . . . . . . . . . . . . . . . 41
9.6 Peak Maximum Value . . . . . . . . . . . . . . . . . . 41
9.7 3 & 5s Cumulative Average Values
( L
Tm3 & L Tm5 - A, B Versions & CEL-493/3) . . . . . . 41
9.8 L OSHA & L DOD (C & D Versions) . . . . . . . . . . . . . 42
10. POST PRODUCTION DEVELOPMENTS . . . . . . . . . . . . 42
10.1 Digital Interface for A & C Versions . . . . . . . . . . . 42
10.2 1SM Measurement Link . . . . . . . . . . . . . . . . . 42
11. SPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . 43
12. ERROR MESSAGES . . . . . . . . . . . . . . . . . . . . . . 48
13. MANUFACTURERS SERVICING & WARRANTY . . . . . . . 49
14. PTB TYPE APPROVAL . . . . . . . . . . . . . . . . . . . . . 50