Anechoic Chamber Positioning System

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This system is designed for EMC anechoic chamber radiation testing. In standard configuration, it includes: 1 × GETT-2000 turntable, 1 × GEAM-4600 antenna mast, 1 × GEC-3 controller. The turntable, antenna mast, and controller communicate via fiber optic systems to achieve coordinated motion control. By modifying the controller program, the turntable or antenna mast canalso operate i ndependently with the controller for individu al motion control .

GETT-2000 Turntable System | GEAM-4600 Antenna Mast System | GEC-3 Controller

GETT-2000 Turntable System

The GETT-2000 turntable features a flush-mounted designwith its working surface level with the chamber floor. It's rotating platform has a diameter of 2 meters and is suitable for chambers with a quiet zone area of 3.14 m2.

GEAM-4600 Antenna Mast System

The GEAM-4600 Antenna Mast is a dual-pole system with tilt functionality. It features an effective vertical travel range of approximately 4.6 meters. The mast's elevation and tilt movements are motor-driven, while antenna polarization switching is achieved through pneumatic cylinder actuation. All electrical components, including motors, are shielded and enclosed within a conductive-coated metal drive housing located at the mast base.

GEC-3 Controller

The GEC-3 controller integrates PLC, touchscreen, fiber optic, and LAN communication functions, capable of controlling all GE-branded turntables and antenna masts. It features RJ45, USB, and RS232 interfaces, supports TCP/IP communication protocol for seamless PC connectivity, and runs on an Android-based touchscreen supporting multilingual operation environments and customizable HMI interfaces.

Technical Indicators

A. GETT-2000 TURNTABLE SPECIFICS
Diameter: 2000 mm
Dimensions: L2300 mm×W2300mm×H300mm
Max. Load: 1.5 t
Material: #201 Stainless steel
Rotating angle: 0°~ 360°(Modifiable)
Rotating speed: 0.5rpm~2 rpm( Modifiable)
Positioning accuracy: ±1°
Control and communication: Polymer optical fibers
Power supply: AC 220 V 50Hz
Power: 150W
Interference: 10dB lower than limit of CISPR 22

B. GEAM-4600 ANTENNA MAST SPECIFICS

Antenna Mast Height: 4600 mm
Antenna height (centerline mode): 1000mm~4000mm
Antenna height (boresight tilt mode): 1000mm~4000mm
Dimensions: L1000 mm×W760mm×H4630mm
Max. Load: 10 kg
Material: PVC, fiberglass
Tilt angle: -0.3°~ 45°
Height scan speed: 1cm/s~8cm/s
Height scan accuracy: ±1cm
Polarization: pneumatic( 0°/90°)
Pressure for polarization: 0.2 MPa ~0.8MPa
Control and communication: Polymer optical fibers
Power supply: AC 220 V 50Hz
Power: 200W
Interference: 10dB lower than limit of CISPR 22

C. GEC-3 CONTROLLER SPECIFICS

Main interface and protocol: RJ45, TCP/IP
Types of interface: 2 RJ45, 2 USB, 1 RS232, 2 SC optical fiber
Dimensions: 215mm×307 mm×160 mm
Size of touch screen: 5.7"
Power supply: AC 220 V 50Hz
Power: 20W
Software compatibility: EM E3, Rohde & Schwarz Elektras

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