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Lound Speaker Ex

This document provides product specifications and installation instructions for the DNH DSP-25 EExmN(T) explosion proof loudspeaker. Key details include: - The loudspeaker has a 100V line with multiple voltage tappings and a transformer, is ATEX and IECEx certified for use in hazardous areas, and has an IP66 rating. - It produces sound pressure levels of 106dB at 1kHz and 102dB at 1kHz at 1W/1m with dispersion of 110 degrees at 1kHz and 30 degrees at 4kHz. - Installation instructions specify fastening the bracket securely, using the correct voltage and frequency range, only certified cable glands

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Mihai Matei
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378 views1 page

Lound Speaker Ex

This document provides product specifications and installation instructions for the DNH DSP-25 EExmN(T) explosion proof loudspeaker. Key details include: - The loudspeaker has a 100V line with multiple voltage tappings and a transformer, is ATEX and IECEx certified for use in hazardous areas, and has an IP66 rating. - It produces sound pressure levels of 106dB at 1kHz and 102dB at 1kHz at 1W/1m with dispersion of 110 degrees at 1kHz and 30 degrees at 4kHz. - Installation instructions specify fastening the bracket securely, using the correct voltage and frequency range, only certified cable glands

Uploaded by

Mihai Matei
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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DSP-25 EExmN(T)

N-3770 Krager
DNH WW Ltd. Phone:.(44) 1908 275 000 DNH GmbH Phone:...(49) 040 6569 30-0
NORWAY England Fax:..(44) 1908 275 100 Germany Fax:...(49) 040 6569 30-30
Phone: ........ (47) 35 98 56 00 E-mail:dnh@dnh.co.uk E-mail:dnh@dnh.de
Fax: ............ (47) 35 98 56 10
DNH Phone:.(1) 484 494 5790
E-mail: .............. dnh@dnh.no
Speakers Inc. Fax:..(1) 484 494 5793
Web-site: ....... www.dnh.no USA E-mail:dnh@dnhspeakers.com
ISO 9001 CERTIFIED

Transformer:
100 V line (optional 70V, 50V)

Primary nominal tappings:


1:2 25,0 W
2:3 12,5 W
3:4 6,0 W
1:3 4,0 W
2:4 2,0 W
1:4 1,0 W

Cable diameter: 1 x M20 plastic EEx


10 15 mm ATEX cable gland and
1 x M20 EEx Atex
blinding plug

II 2 GD
Certified by / Certification code / Number: NEMKO / EEx dem IIB+H2 T5 / 01 ATEX 235
Certified by / Certification code / Number: NEMKO / EEx dem IIC T5 / 01 ATEX 235

Sound pressure levels at different frequencies at 1W/1m sine


wave IIB IIC
Material / Color ............... Anti-static polyamide / Black
Mounting ....................................................... Bracket
Termination ...................... e-chamber, screw terminals
Weight w/ transformer .....................................4,0 kg
IP-rating............................................................... 66
Max / min amb temp ............................ 55 C / -53 C
Rated / max power ................................ 25 W / 25 W
SPL 1W/1m ................................................... 106 dB 102 dB
SPL rated power ............................................ 117 dB 113 dB
Effective freq range ..............................370 7000 Hz 400-7000
Dispersion (-6dB) 1kHz / 4kHz..................... 110 / 30 100 / 30
Options.Impedances, moulded permanent cable, labels

Installation, Operation and Maintenance Procedures

When mounting the loudspeaker please ensure that it is re-assembled in the same manner in which it was
received. Fasten bracket with 2-3 screws.
To change the position of the loudspeaker, please adjust the bracket (by loosening / tightening the screws) as
required.
For optimum performance, always use the correct voltage / power and operate within the frequency limits as
stated.
Use only certified/specified cable glands and blanking plugs.
Do not open loudspeaker when energized.
Fasten lid with a torque of 1 - 2 Nm.
This loudspeaker is supplied with a 2 year warranty against defective materials and workmanship.

DNH reserves the right to alter specifications without notice. Rev. 03.02.2010
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