美國斯德克STALKER 手持式雷達測速儀Sport2 測速器
Stalker是世界上的測速雷達。它以本行業zui復雜的微波系統著稱，將多種功能集合在一個雷達儀中。Stalker是世界上具備zui性能、在廣泛領域運用的運動測速雷達。
性能參數：
測速范圍： 5-150英里/小時 （8-240千米/小時）
精 確 度： +/- 0.1英里/小時
目標速度獲取時間： 0.01秒 （整數輸出） 0.04秒（一位小數輸出）
刷新速度： 100次/秒 （整數輸出） 30次/秒（一位小數輸出）
測量距離：
1英里---普通對象;
300米——棒球
微波參數：
工作頻率：34.7GHz（Ka波段）
偏振方式：晶體偏振
功率輸出：5毫瓦
通用參數：
顯示方式：背光液晶顯示
工作溫度：－28℃——48℃
存放溫度：－40℃——60℃
電池：AA電池
物理參數：
帶電池重量：1.75磅
外形尺寸：20cm（高）×8cm（寬）×17cm（長）
外殼材料：高強度聚碳酸酯塑料
質保：主機1年保修，配件：保修3個月
The Stalker Sport 2
Accurate and Affordable Baseball Radar Gun
300 foot* range and Stadium Performance at an
unheard of price!
The next-generation Stalker Sport 2 is the powerful, and easy to use baseball solution. Quickly and easily measure pitching and running speeds with （2） active speed windows.
All 30 Major League Baseball teams use Stalker Baseball. In a class of their own, Stalker Baseball guns dramatically outperform other "toy radar". Simple operation, certified accuracy, greater range, true pitch speeds, and consistent readings make Stalker Baseball stand alone.
- Capture accurate pitch speeds - EVERY TIME!
- 300 foot range - Stalker outperform all others!
- Built to last - just ask any baseball scout.
- Accurate to +/- 0.1 MPH
- Measure speeds from 5-150 MPH!
Stalker Sport 2 Specifications:
| Speed Range | 5 - 150 MPH |
| Accuracy | +/- 0.1 MPH （in ones resolution, round to the nearest integer） （In tenth resolution, round to the nearest tenth） |
| Maximum Clocking Distance | 300 feet |
| Product Type | Stationary Doppler Radar |
| Computer Processor | Digital Signal Processor |
| Display Type | Liquid Crystal |
| Operating Temperature | -20F to +120F |
| Storage Temperature | -40F to +140F |
| Weight （with batteries） | 1.75 pounds |
| Dimensions | 8"H x 3"W x 6.5"L |
| Housing Material | ABS |
•1 - Year Warranty.
•Simple, baseball-specific operation.
•2 Active Speed Windows – Both Peak Speed and Plate Speed.
•3-Hour Battery Life – with low battery indication.
•Stopwatch function – Simultaneously measures pitches and times runners – optional stopwatch cable required.
•Two transmit modes – Pull-to-transmit; pull-on, pull-off.
•Recall Previous – Recalls previous 5 readings.
•Default settings are optimized for measuring pitch speeds - User presses the MENU key to customize the settings.
•Performance: 300 feet for baseballs
