Explosion-proof Sounder dEV20 – Up to 115 dB(A)
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
- II 2 G Ex d e IIB + H2 T6 Gb
- II 2 D Ex tb IIIC T85ºC Db