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 telemetry, radar, commandandcontrol, etc. They need no attenuators, directional couplers orcharts.   Accessories:

QuickChange Solderless Connectors

- QC-Type "Quick Change Solderless" RFConnectors

  ProductSpecifications:

交流电压:	100-130/200-260 V, 50/60 Hz, 6 W
:	±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%)
电池寿命:	8 hours (rechargeable)
连接器:	QC Type (Female N normally supplied)
显示:	3 1/2 digit, 0.3" LED strobed
完成:	Blue vinyl with silver anodized side panels
频率范围:	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
模块化频率:	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)
额定功率:	100 mW to 10 kW using Bird Plug-in Elements
脉冲参量:	(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%
逆程损失:	±0.3 dB to corresponding SWR value
采样率:	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)