a) b)
LED
LED
LED
dB
LED
LED
dB
LED
dB
LED 94 dB
1.
2.
3.
LED
CEL CEL
1.
a)
b)
Ws2 ?
CEL-4726
Ws3
?
2.
3. dB dB
.
•
•
•
CEL-120
?
kHz dB
CEL-120/1 kHz dB
CEL-120/1 (Class 1) CEL-120/2 (Class 2)
016022 2 AAA (Lr03)
FG40
CEL
LED
LED
LED 114 dB
LED
LED
dB
CEL-120/1
CEL-120/1
114.0 dB dB
4. 5
5.
6.
CEL-120 ?
CEL-120/1 CEL-120/2 EMC Directive
2004/108/EC ?
EN 61000-4-2:2009 —
EN 61000-4-3:A1+A2:2010
EN 61000-6-3:2011 ?
•
•
•
•
•
•
114 dB
94 dB
1
2
3
4
6
5
CEL-120/1 CEL-120/2
CASELLA MEASUREMENT
Regent House, Wolseley Road, Kempston, Bedford, MK42 7JY, U.K.
+44 (0) 1234 844 100
+44 (0) 1234 841 490
: http://helpdesk.casellameasurement.com
EN IEC Class
EN IEC Class
ANSI S
C 101.3 kPa RH
B & K 4133 190 mm²
CEL-120/1: 114.0 dB ± 0.25 dB 94.0 dB ± 0.25 dB
CEL-120/2: 114.0 dB ± 0.35 dB
kHz ± 5 Hz
dB mm
CEL-120/1 < ± 0.1 dB
CEL-120/2 < ± 0.2 dB
CEL-120/1 (Class 1)
kPa
–10 C
RH
dB kPa
± 0.4 dB
CEL-120/2 (Class 2)
kPa
C
RH
dB kPa
• CEL-120/1:
• CEL-120/2:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
?
• ± 0 dB
C
V AAA (LR03)
V V
mm mm mm 2.9
0.19
CEL-120 10V/m
IEC 60942:2003 ?
Casella
CEL Casella CEL
ICMA
Bedford
ICMA
Casella CEL
Casella
CEL Bedford
•
•
•
•
FG50-02 © 2011 Casella Measurement
1.
2.
3.
LED
4.
5.
6.
LED 114 dB
LED 94 dB
CEL-120/1 CEL-120/2
?
CEL-120/1 94.0 dB 114.0 dB
EN (IEC) 60942:2003 Class 1 ?
CEL-120/2 114.0 dB Class 2 ?
ANSI S
Ws
CEL Ws
•
•
Casella
/
