美國(guó)鳥牌BIRD│BIRD4391A功率計(jì)3 1/2 digit, 0.3“ LED顯示，頻率范圍450kHz to 2.7Ghz，準(zhǔn)確性：±5%*CW，±8%PEP，VSWR ：±10% ofreading，%模塊化：(CW力量1/3或更多的*)±5% (0-90%)，±10%(90-100%)米標(biāo)度：FWD和RFL 25，50，100W
4391A PEP, Dual element, LED, Portable Wattmeter
1、Bright LED Display
2、Long-stroke keyboard and range switches
3、Built-In Power Supply and Charger
4、Low Battery Indicator
The Model 4391A is a Rugged RFPower Analyst that monitors Peak Pulse Power, Peak Envelope Power,or CW Power during normal equipment operations in the forward orreflected direction. Designed for air navigational aids DME, ATCand other pulsed RF systems such as emetry, radar, commandandcontrol, etc. They need no attenuators, directional couplers orcharts.
Accessories:
| QuickChange Solderless Connectors | - QC-Type "Quick Change Solderless" RFConnectors |
ProductSpecifications:
| 交流電壓: | 100-130/200-260 V, 50/60 Hz, 6 W |
| 精度: | ±5% of full scale CW, ±8% PEP, VSWR: ±10% ofreading, % Modulation: （CW power 1/3 or more of full scale） ±5%（0-90%）, ±10% （90-100%） |
| 電池壽命: | 8 hours （rechargeable） |
| 連接器: | QC Type （Female N normally supplied） |
| 顯示: | 3 1/2 digit, 0.3" LED strobed |
| 完成: | Blue vinyl with silver anodized side panels |
| 頻率范圍: | 450 kHz to 2.7 Ghz |
| Insertion VSWR: | with N connectors 1.05 max. to 1000 MHz |
| Meter Scales: | FWD and RFL 25, 50, 100 W |
| 模塊化頻率: | 25 to 10,000 Hz （Audio） |
| 尺寸: | （includes connectors） 9 9/16" L x 5 7/32" W x 45/16" H （243 mm x 158 mm x 110 mm） |
| 額定功率: | 100 mW to 10 kW using Bird Plug-in Elements |
| 脈沖參量: | （min.） Pulse width 0.8 µs （100-2700 MHz）, 1.5 µs（26-99 MHz） and 15 µs （2-25 MHz）, Repetition Rate 25 PPS, and DutyCycle 0.1% |
| 逆程損失: | ±0.3 dB to corresponding SWR value |
| 采樣率: | 2 to 3 readings per second |
| Usable Over-range: | to 120% of scale （CW, PEP, SWR and ReturnLoss） |
| 重量: | 5 3/4 lbs. （2.6 kg） |
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