Hazardous areas often require the use of acoustical signals for warning or information purposes.
The ExII-sounder dEV20 offers both of these signalling features and is designed for continuous operation.
The ExII-sounder dEV20 has an ingress protection rating of IP66, meaning it is suitable for both indoor and outdoor installation.
The ExII-Sounder consists of a flame-proof housing manufactured from a light grade aluminium alloy and a sound channel made from impact-resistant polyester.
The sounder dEV20 includes two signal levels. The signal tone for the first level is adjusted with the slide switches 1-5 (S0) according to the signal choice list.
The signal tone for the second signal level is adjusted with the slide switches 6-10 (S1).
Delivery condition: S0 = Tone 24 , S1 = Tone 4
Sound pressure level: up to 115 dB(A)
32 signal tones, 2-stage alarm
Volume adjustable (3 steps of 10 dB)
Aluminium housing, Polyamide
ATEX Approval
IP66
II 2 G Ex d eIIB + H2 T6 Gb
II 2 D Ex tb IIIC T85ºC Db
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Certified temp: |
T6: -50ºC to +60ºC |
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Housing: |
Seawater resistant Aluminium, sound protection hood Polyamide (black) |
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Weight: |
2.8 kg |
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IP rating: |
IP66. |
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Cable entries: |
M20 x 1.5 (cable 5.5 to 13 mm). |
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Signal selection: |
By DIP switches. |
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Volume: |
Max. 115 dB(A) reducible in 3 levels each by 10 dB. |
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Signal tone: |
32 for each signal level. |
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32 for each signal level. |
93 - 460mA (dep. on voltage variation). |
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Power consumption: |
Max. 14 W. |
