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选用二手测量仪器的优势是： 
1、与新购仪器几个月的供货期相比，购买二手仪器的供货期要短的多。在时间就是市场的今天，优势无疑是为明显的。 
2、二手仪器的价格便宜，基本为新购仪器价格的20%～50%。在电子技术迅速发展的今天，仪器的更新也在加快，投资越少则风险越小。 
3、为了让您放心地使用我们提供的二手仪器，我们销售的二手仪器可以做到：
      1、保修半年至一年不等。
      2、可以根据您的要求，将仪器送至计量测试单位进行校准。

The AgilentE4416/17A EPM-PSeries power meters provide peak, average, peak-to-average ratio and time-gated measurements, using the E9320 peak and average power sensors. The E4416/17A are compatible with all 8480 and E-series power sensors.

TheE4416Ais asingle-channelpower meter.

TheE4417Ais a truedual-channelpower meter, which means that you get two simultaneous power readings on the display.

The E4416/17A do not have legacy power meter code compatibility because they are targeted at new applications such as time-gated power measurements. Code compatibility is however provided by the EPM Series power meters (E4418B and E4419B) as they are a direct replacement for the 436A, 437B and 438A.

• Simultaneous peak, average and peak-to-average ratio power measurements
• Time-gated power measurements
• Up to 1,000 corrected readings per second over the GPIB
• 20 Msamples per second sampling rate for reliable continuous and single shot measurements on wide bandwidth signals
• Compatible with all 8480 and E-Series power sensors
• Easy-to-read display - large 1-line or 4-line numeric display, or trace display, or an analog display
• 8 pre-defined wireless configurations (GSM, EDGE, NADC, iDEN, Bluetooth, IS-95 CDMA, W-CDMA and cdma2000)

The AgilentE4418/19Bare low-cost, high-performance, programmable RF power meters. They are fully compatible with the 8480 series and the E-Series power sensors (except the E9320A family). Depending upon which sensor is used, the E4418/19B can measure from -70 dBm to +44 dBm at frequencies from 9 kHz to 110 GHz.

Designed for bench and ATE use, the E4418/19B makes fast (up to 100 readings per second with E-series sensors), accurate and repeatable power measurements.

TheE4418Bis asingle-channelpower meter.

TheE4419Bis a truedual-channelpower meter, which means that you get two simultaneous power readings on the display.

• Fast measurement speed (up to 100 readings per second, over the GPIB, with E-Series sensors)
• Speed improvement of x2 using the 8480-Series power sensor (compared to the 437B)
• No range-switching delays with 8480 series sensors, and only one fast-range switching point with E-Series sensors
• RS-232/422 Interfaces as standard
• GPIB Interface for remote control of all functions
• Code compatibility with HP 436A/437B (E4418B) and 438A (E4419B)