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Stalker Speedometer Speed Sensor


If the application is in motion, the Speedometer Speed Sensor (radar) fits the assignment. Think of it as a Radar Speedometer and more. For example, since it’s direction sensing it can measure speed in both directions. Use it anywhere the object that it’s mounted on is in motion.

Features of the Stalker Speedometer Speed Sensor


Stalker Speedometer Speed Sensor application


General Specifications


Type


Moving Doppler Speed Sensor

Operating Frequency

34.7 GHz (Ka-Band)

Stability

+/-100 MHz

Communication Interface

RS-232 or RS-485 available as separate models

Power Requirements


Voltage: 9-16 VDC for SN ST6560 and below

9-24 VDC for SN ST6561 and above


Current: (at 12 VDC nominal)

Transmitter on: 370 mA

Transmitter off: 100 mA


Environmental

Operating: -30° to +70°C, 90% relative humidity

Non-operating: -40°C to +85°C

Mechanical

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

Accuracy

+/- 0.3% - Speeds are rounded down to the nearest unit or tenths of a unit depending on the unit resolution setting

Auto Self-Test

Performed every 10 minutes while transmitting

Ground Speed Range


Low ground speed acquisition threshold configurable:

Standard acquisition of <1 to 90 MPH (<1.6 to 144 KPH), when Ground Speed Lo Cutoff = Low


Optional acquisition of 20 to 90 MPH (32 to 144 KPH), when Ground Speed Lo Cutoff = High


Ground speed, once acquired, will track to 199 MPH (320 KPH)


Microwave Specifications

Antenna

Conical horn

Polarization

Circular

3DB Beamwidth

12° +/-

RF Source

Gunn-Effect diode

Receiver Type

Two Direct Conversion Homodyne receivers using four low-noise Schottky battier mixer diodes

Power Output


10 mW minimum

15 mW nominal

25 mW maximum


Power Density

1 mW/cm2 maximum at 5 cm from lens

Control and Configuration Settings

Basic Configuration

Transmitter Control

Unit of Measure

Unit Resolution

Serial Port Configuration

Baud Rate

Output Format

Leading Zero Character

Message Period

Target Recognition

Ground Speed Sensitivity

Patrol Speed Blank

Target Filtering

Patrol Speed Cutoff

Max AGC Gain

Min AGC Gain

Current AGC Gain

Testing

Fork Enable

Test

System

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