Description: SHJ400 Ex-proof Control Box is designed for use in explosive atmosphere such as gas group ó=C (typical gas vapours: hydrogen, acetylene, ethene, coke-oven gas and methyl ether etc.) as well as flammable dust. It is the remote front-end device that provides pan/tilt, cameraí»s lens aperture, zoom / focus and miscellaneous function control by matching monitoring host computer and decoding monitoring host computerí»s signal. Features: * Explosion-proof mark: ExdIICT6/DIP A20 TA, T6 * Design and manufacture on National GB3836-2000 GB12476.1-2000 basis * Applicable to Zone 0 and flammable dust atmosphere * Optional Decoder , Optional Preset positioning function * Polished finish appearance (plastic-spraying after carbon steel DACROMET is used) * 316Líó316íó304 stainless steel and Q235A carbon steel optional * Indoor / Outdoor applications * High certification and moderate price Specification: * Unit weight: 4.5kg * Operating temperature: -25~60íµ * Relative Humidity: í_95% ú¿+25íµú¬ * Cable Entries: 3í-G1/2í¦ Ex-cable entries , inner hole Dia.ºµ12 * Dimensions (L x W x H): 260 x 225 x 160 mm * Inside dimensions: ºµ149 x 110 mm * Communication Interface: RS-485 Half Duplex * Communication Distance: 1200 * Baud Rate: 2400 4800 9600 19200 * Voltage: 24V DC/220V AC * Current: 2 / 0.5A Lot Size: 26í-22í-26cm