10
English
Specifications
Radio
FM 87.5–108 MHz
DAB+ 174.9289–239.200 MHz
Battery pack
Li-ion, 3.7 V, 1500 mAh
Weight
393 g (incl. battery pack)
Noise level
Max 82 dB(A)
Size (W × H × L)
14.5 × 18 × 10 cm
Operating time
Up to 13 hours
HML Values
H
M
L
SNR
29 dB
26 dB
19 dB
28 dB
HP-51DFJ Ear defenders, attenuation data
Frequency (Hz)
63
125
250
500
1000
2000
4000
8000
Mf (dB)
18.1 15.5 20.6
26.3
33.9
30.3
35.3
34.1
Sf (dB)
4.8
4.0
2.6
3.0
3.4
3.5
3.4
6.1
APV (dB)
13.3 11.5 18.0
23.3
30.5
26.8
31.9
28.1
Limit
5
8
10
12
12
12
12
FM Broadcast Radio Receiver
Max noise level: 79.7 dB(A)
DAB Broadcast Radio Receiver
Max noise level: 79.8 dB(A)
DAB+ Broadcast Radio Receiver
Max noise level: 79.4 dB(A)
Audio Input
77.4 dB(A) at −14.2 dBm (150mV) input voltage
Declaration of conformity
Conforms to Personal Protective Equipment Directive 89/686/EEC and tested to
EN 352-1 and EN 352-8.
Notified body that performed the type examination:
PZT GmbH
An der Junkerei 48F
D-26389 Wilhemshaven
Germany
Notified Body 1974