Earlier this year, we featured an introduction to MEDC hazardous area equipment. Let’s explore the MEDC range in a little more detail, by throwing the spotlight on several of its alarms and beacons for harsh environments.
MEDC BG Manual Alarm Call Point
More than your average break-glass call point, MEDC BG is an Exia intrinsically safe, weatherproof manual call point suitable for harsh environments like helidecks.
The reinforced polyester enclosure is lightweight but corrosion resistant, suitable for use both onshore and offshore.
Despite being a ‘break glass’ call point, the unit is covered by a membrane so no sharp shards are released.
An optional deformable element can be specified instead of the glass, so the alarm can be sounded by pressing the element and reset by returning it to the default position.
MEDC Ex-Signal Light dSLB 20 LED Beacon
The MEDC dSLB 20 LED beacon is a visual alarm system suitable for use in explosive atmospheres.
Its four modes include continuous, blinking, flashing and rotating, and the light is protected by a borosilicate glass lens in a flame-proof aluminium alloy housing.
IP66/67 protection and explosion protection classes II 2D Ex tb IIIC IP66 T95°C, T80°C – Db and II 2G Ex d e IIC T5, T6 – Gb provide peace of mind and reliable operation in challenging and high-risk conditions.
MEDC dEV 20 Sounder
When an audible alarm is needed, the MEDC dEV 20 Sounder is an excellent option with IP66 protection (II 2 G Ex d e IIB + H2 T6 Gb / II 2 D Ex tb IIIC T85°C Db).
The impact-resistant polyester sound channel is capable of emitting 32 signal tones and a 2-stage alarm at up to 115 dB(A).
Simple slide switches choose the first and second alarm tones, making setup fast and easy, and allowing alarms to be customised in different areas for instant recognition.