Wireless Video, Audio, Data Communications Systems for Industrial use in Security and Covert Security and in Motion Picture and Video Production
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Covert Security & Industrial 
Wireless Video-Audio Systems
NEMA4 Environmental Enclosure
N M A 4   F e a t u r e s

NM4-1 holds Video Transmitter Model CVT-500 
NM4-2 holds Video-Audio Transmitter Model CVT-1000
NM4-3 holds Video-Audio Receiver Model CVR-1000
NM4-4 holds Video-Audio Receiver Model CVR-1500
NM4-5 holds PTZ-3 Data Link 
NM4-6 holds Video Transmitter or Receiver AND PTZ-3 Data Link
(CVT-500 or CVT-1000 or CVR-1000 or CVR-1500 AND PTZ-3) 
bullet Environmentally Sealed Enclosure for mounting Coherent products outdoors or in hostile environments
bullet Completely assembled: 
bullet Optional Cooling Fan, brushless design with ball bearings for longer life
bullet Optional Heater, thermostatically controlled
bullet Optional Thermal Control Module (see below for functions)
bullet Anti-corrosion, Stainless Steel hardware
bullet Easy to wire Terminal strip – internal wiring is already in place
bullet Equipment may be easily removed from enclosure for service
bullet Enclosure is designed to mount against a flat surface.  Pole mounting is optional.
The basic enclosure is rated by the National Electrical Manufacturers Association (NEMA),  to be environmentally sealed to a 4X rating.  It is also listed by UL and CSA.  A well designed silicone gasket seal prevents moisture from entering once the front cover is closed by two screws.  A sturdy stainless steel latch with a locking hasp is optional.

If cooling is required, 2 Labyrinth-type vents are mounted for moderate climates.  For hot climates, a fan with screened louvers is added.  The enclosure is then moisture resistant, but no longer completely sealed.  A louver is mounted on the fan side of the enclosure and a mesh screen is added to minimize insect entry.  A labyrinth type vent is attached to the opposite side for optimum airflow and to minimize water entry.

The optional Thermal Control Module varies fan speed depending on heat load for maximum fan and equipment life and also senses faults like a jammed fan and over temperature conditions.  It will shut off the power to the equipment and turn on a fault indicator light.  Once the temperature is within range, it will automatically reset.

NE M A- 4   S p e c i f i c a t i o n s
Size NM4-1, 4-2, &  4-5:   8 H x 6 W x 4 D in. (3.15 x 2.36 x 1.57 cm) 
NM4-3, 4-4 & 4-6:  10 H x 8 W x 4 D in. (3.94 x 3.15 x 1.57 cm)
Weight NM4-1:   3 lb. (1.4 kg) (Enclosure only)
NM4-3:   4 lb. (1.8 kg) (Enclosure only)
Color Light Gray
Construction ABS or Polycarbonate
Specifications subject to change without notice.
MADE IN THE USA
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Coherent Communications, Inc.
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