DNH H760EExeNT Installationshandbuch
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HEAD OFFICE, NORWAY
DNH AS
Phone................... + 47 35 98 56 00
Fax...................... + 47 35 98 56 10
E-mail........................ [email protected]
Web-Site................. www.dnh.no
ISO 9001 CERTIFIED
Certified by / Certification code / Number: NEMKO / EEx de IIB+H
Certified by / Certification code / Number:NEMKO / EEx de IIC T5 / 01 ATEX 046
Sound pressure levels at 1W/1m IIB version
Unscrew lid, lead cable through cable gland and connect to terminal according required power.
If the Ex-loudspeaker is to be earthed, it must be done correctly using the specially marked screws.
Tight cable gland and screw lid back on with 2-3 Nm to assure IP grade.
Fasten the bracket with 3 screws and ensure to use all washers in the intended position. (To isolate the main
body from the bracket).
To change the position of the loudspeaker, please adjust the bracket (by loosening / tightening the screws) as
required.
Use only certified/specified cable glands and blanking plugs.
The loudspeaker should be checked on a regular basis to avoid any build up of debris.
The aluminum surface of the loudspeaker should be regularly treated with paint at the same interval as with other
similar outdoor equipment.
For optimum performance, always use the correct voltage / power and operate within the frequency limits as
stated.
Do not open loudspeaker when energized.
This loudspeaker is supplied with a 2 year warranty against defective workmanship.
C:\Users\frithjof.DNH\Desktop\H-60EExeN(T).doc
ENGLAND
DNH WW Ltd
Phone....... + 44 1908 275 000
Fax.............+ 44 1908 275 100
Installation, Operation and Maintenance Procedures
DNH reserves the right to alter specifications without notice
GERMANY
DNH GmbH
Phone... + 49 040 6569 30-0
Fax....... + 49 040 6569 30-30
E-mail............... [email protected]
T5 / 01 ATEX 046
2
II 2 G
Specifications
Material / Color
Mounting
Termination
Weight w/transformer
IP-rating
Max. / min. amb. temp
Rated / max. power
SPL 1W/1m
SPL rated power
Effective freq. range
Dispersion (-6dB) 1kHz / 4kHz 125 / 35
Directivity factor, Q
Options
H-60EExeN(T)
USA
DNH Speakers Inc
Phone........... + 1 484 494 5790
Fax.............. .+ 1 484 494 5793
Primary nominal
tappings 100V
From loudspeaker
Yellow to black(5)
1 : 2
1 : 3
1 : 4
Yellow to white(6)
1 : 2
1 : 3
1 : 4
IIB
Aluminum alloy SS4261 / RAL 7035
Bracket
e-chamber, screw terminals
3,8 kg
67
50C / -50C
20 W / 20 W
106 dB
117 dB
370 – 6000 Hz
Impedances, colors, labels
20,0 W
10,0 W
5,0 W
2,5 W
1,2 W
0,6 W
IIC
101 dB
114 dB
400-5000
105 / 35
Rev. 11.03.2014