Spesifikasi Fixed-location Speed Sensor for Stadium and Scoreboard - Stalker Pro II Speed Sensor
Fixed-location Speed Sensor for Stadium and Scoreboard - Stalker Pro II Speed Sensor
Pro II Speed Sensor Developers Kit, RS-232 (200-0863-00)
Pro II Speed Sensor Developers Kit, RS-485 (200-0864-00)
Powerful, fixed-location speed sensor for stadium and scoreboard applications for multiple sports
The Pro II Speed Sensor is a complete and highly-accurate Doppler Radar. Designed in a rugged, waterproof housing that can measure the speed of a wide variety of objects including baseballs, softballs, tennis balls, hockey pucks, etc.
It combines features and performance of the Stalker Pro II handheld sport gun with the Sport Speed Sensor configuration.
The unit is available in an RS-232 model and an RS-485 model and includes complete software support.
General Specifications
Product Type Stationary Doppler Radar Speed Sensor
Processor Digital Signal Processor
Operating Temperatures -30°C to +70°C (-22°F to +158°F), 90% relative humidity
Storage Temperatures -40°C to +85°C (-40°F to +185°F)
Microwave Specifications
Operating Frequency 34.7 GHz (Ka-band)
Frequency Stability ±100 MHz
Antenna Type Conical Horn
Polarization Circular
3 db Beam Width 12°±1°
Microwave Source Gunn-Effect Diode
Receiver Type Two direct-conversion homodyne receivers using four low-noise
Schottky barrier mixer diodes
Power Output 10 mW minimum
15 mW nominal
25 mW maximum
Power Density 1 mW/cm2 maximum at 5 cm from lens
Performance Specifications
Speed Range Max target speed: 800+ MPH
Min target speed: < 1 MPH
Accuracy +/- 3% of reading
In ones resolution, speeds are rounded to nearest integer.
In tenths resolution, speeds are rounded to nearest tenth.
Maximum Clocking 500 Feet for baseballs
1 ¾ Miles for an average auto
Distance Circular
Audio Output Raw 3.3 V analog audio output signal is provided for Doppler audio – must be filtered and amplified for best audio quality.
Speed Alarm Output With speeds at or above the Alarm Threshold, the Aux pin is 3.3V and can drive 10mA.
Electrical Specifications
Supply Voltage 9 – 28 VDC
Current (at 12 VDC nominal) Transmitter On: 390 mA
Transmitter Off: 138 mA
Physical Specifications
Weight 1.15 lb (0.52 kg)
Diameter 2.6 in (6.7 cm)
Length 4.7 in (11.8 cm)
Case Material Aluminum die cast
Radar