Large Vertical Planar Scanner Systems

12.2 m x 12.2 m Vertical PNF Measurement System

18.3 m x 12.2 m G Vertical PNF Measurement System

32.9 m x 15.8 m Vertical PNF Measurement System

Description

Large Vertical Planar Near-Field Measurement Systems are the ideal systems for measuring medium and high gain antennas (>15 dBi) with large apertures, making them suitable for testing large arrays or reflector antennas. Large Vertical Planar Near-Field Measurement Systems aare based on a inverted "T" design and are constructed of steel. For high stability a cross-braced dual-rail steel I-beam base is used. This robust design is easy to maintain and align, and highly accurate. The high capacity probe carriage accommodates probes as low as WR1500 including optional roll and Z stages.

Features
- High Accuracy Planarity
- 12.2 m x 12.2 m (40' x 40') to 32.9 m x 15.8 m (108' x 52') Scan Area
- Precision Rack and Pinion Drive
- L-Band to mmWave Measurements
- Inverted “T” Frame Design for High Accuracy
- Far-Field, Near-Field and Holographic Patterns
- Cylindrical and Spherical Options Available

SPECIFICATIONS

Construction:	Inverted “T” Frame (steel)
Drive System	Precision Stepper/Servo Motor; Rack and Pinion
Scan Area	12.2 m x 12.2 m (40' x 40') to 32.9 m x 15.8 m (108' x 52')
Planarity	0.20 mm (<0.008") RMS to 0.50 mm (<0.020") RMS
*Corrected Planarity	0.1 mm (<0.004") RMS to 0.2 mm (<0.008") RMS
Resolution (X,Y)	X: 0.025 mm (0.001") Y: 0.0375 mm (0.0015")
Position Repeatability	0.05 mm (0.002”) RMS
Scan Speed (X-Y)	X: 0.2 m/s (8 in./s) Y: 0.25 m/s (10 in./s)
Probe Carriage Capacity	79.5 kg (175 lb) maximum recommended; WR1500
System Controller	NSI-MI controller with serial and parallel I/O interfaces
Measurement Workstation	Measurement workstation computer with large LCD monitor.
Stepper/Servo Motor Power Amplifier	EIA 19" rack mount, (7" high x 14" deep)
Motor Cables	Quick-connect; 12 m (40')
Scanner Absorber	X-Y Absorber Kit (12" to 24" pyramidal cone)
Probe	Optional
Probe Mount	Angle Bracket - allows mounting probe in "V" or "H" orientation
RF Cables	20 GHz RF Cables
Supported RF Devices	NSI-MI Receiver Subsystem or selection of Keysight, Rohde & Schwarz and Anritsu VNA's
Power	100-240 VAC switchable; 50/60 Hz, 800 watts

*Note: Requires optional Structure Correction Software and Probe Translation Stage.

DIMENSIONS

Width:	14.8 m (583") to 38.9 m (1530")
Depth	4.45 m (175") to 3.9 m (153")
Height	14.6 m (576") to 18.2 m (718")
System Weight	26,308 kg (58,000 lb) to 30,700 kg (67,700 lb) approx

Applications
- General Antenna Testing
- Satellite Antenna Testing
Capabilities
The system interfaces with a wide variety of RF equipment and is capable of measuring amplitude and phase patterns from L-band to mmWave bands. The system includes NSI-MI Antenna Measurement Software.

The system software runs on an Intel based measurement workstation and provides automatic setup of scans based on measurement parameters and desired output. Measured data can be processed for far-field or holographic patterns yielding complete characterization of the antenna’s performance. A single data set provides information on antenna gain, side lobe structure, beam pointing and cross polarization.

The Large Vertical Planar Near-Field Measurement Systems can be supplied with a variety of options and can be upgraded to allow for cylindrical or spherical measurements to expand system utility.
Standard Options
- X-Y stepper/servo motor driven scanner with dual rail steel base
- Motor cable set
- Controller
- PC based measurement workstation
- Motor drive electronics
- Antenna measurement software
- Installation tool kit
- System documentation and operation manual
Available Add-Ons
- Opt 100 - 220VAC 50 Hz Operation
- Opt 101 - European Version
- Probe Translation Stage, Extra Heavy Duty
- Probe Roll Stage (High Capacity)
- Motion Tracking Interferometer (MTI) Software

Related Products

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+44 7493 235224
www.nsi-mi.co.uk

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