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租赁吉时利 6487 皮安表

浏览次数:1025

晧辰自营,品质保证,配送快捷

产品参数

选件 状态 设备价值 是否计量
完好 0
成色 发货周期 所在地
8成新 -- 深圳市
租赁价格: 电议
更新日期:2022-09-21
联系电话:0755-86016691

*产品描述

Keithley 6487 皮安表/电压源产品特点:

  • 10fA分辨率

  • 5位半分辨率

  • <200μv输入压降

  • 交变电压法测量电阻

  • 自动电压扫描,用于I-V特性分析

  • 浮地测量至500V

  • 达1000读数/秒

  • 内建486和487型仿真模式

  • IEEE-488和RS-232接口

  • 模拟输出

  • 数字I/O


Tektronix 泰克Keithley 6487 皮安表/电压源产品应用:

  • 电阻值/电阻率测量

  • 波束监测与放射监测

  • 绝缘体、开关、继电器和其它元件 的漏流测试

  • 半导体和光电器件的I-V特性分析

  • 光纤校准DCLF电路中的电路测试与分析

  • 传感器特性分析


Keithley 6487 皮安表/电压源产品优势:

5位半6487皮安表/电压源提高 了备受赞誉6485的测量能力,并增 加了500V的高分辨率源。它具有比 6485更高的准确度和更快的上升时 间,以及配合容性元件使用的阻尼 功能。这款经济有效的仪器具有8 个电流测量量程和高速自动量程功 能,可以测量20fA-20mA的电流,其 测量速度达到1000读数/秒,并且输 出200μV-505V的电压。


6487的10fA分辨率、的灵 敏度、电压扫描以及交变电压的电 阻测量使其非常适合于低电流器件 的特性分析。尽管它使用了*新的 电流测量技术,但它仍比类似功能 的其它仪表[例如光功率计、垓欧姆 表(tera-ohmmeter)、皮安表竞争 产品或用户设计的方案]便宜得多。 由于6487相当于一台高端数字万用 表的价格,所以基本上任何实验室或生产车间都能负担得起用6487进行皮安级测量。


较低的输入压降和较高的准确度

数字万用表一般使用分流电表电路测量电流,而6487是一款反馈式皮安表。此设 计将输入压降(voltage burden)减少了几个数量级,使较低测量量程上的输入压降 低于200μV。较低的输入压降使6487的功能比数字万用表更象一个理想的安培计,所 以即使在输出电压极低的电路中,它也能实 现高准确度的电流测量。

详细信息

Features of Keithley 6487 Picoammeter/Voltage Source:

  • 10fA resolution
  • 5 1/2 digit resolution
  • <200μv input voltage drop
  • Alternating voltage method to measure resistance
  • Automatic voltage sweep for I-V characteristic analysis
  • Floating measurement to 500V
  • Up to 1000 readings/sec
  • Built-in 486 and 487 emulation modes
  • IEEE-488 and RS-232 interface
  • Analog output
  • Digital I/O

Tektronix Keithley 6487 Picoammeter/Voltage Source Product Application:
  • Resistance value/resistivity measurement
  • Beam monitoring and radiation monitoring
  • Leakage current test of insulators, switches, relays and other components
  • Analysis of I-V characteristics of semiconductors and optoelectronic devices
  • Circuit Test and Analysis in Optical Fiber Calibration DCLF Circuit
  • Sensor characteristic analysis

Keithley 6487 Picoammeter/Voltage Source Product Advantages:

The 5-digit 6487 picoammeter/voltage source improves the measurement capability of the acclaimed 6485 and adds a 500V high-resolution source. It has higher accuracy and faster rise time than 6485, as well as the damping function used with capacitive elements. This economical and effective instrument has 8 current measurement ranges and a high-speed auto-ranging function. It can measure currents from 20fA-20mA, with a measurement speed of 1000 readings per second, and an output voltage of 200μV-505V.

The 6487's 10fA resolution, sensitivity, voltage sweep, and alternating voltage resistance measurement make it very suitable for the characterization of low-current devices. Although it uses the latest current measurement technology, it is still much cheaper than other instruments with similar functions [such as optical power meters, tera-ohmmeters, competitive picoammeter products or user-designed solutions]. Since the 6487 is equivalent to the price of a high-end digital multimeter, basically any laboratory or production workshop can afford to use the 6487 for pico-amp measurement.

Lower input pressure drop and higher accuracy

Digital multimeters generally use shunt meter circuits to measure current, and 6487 is a feedback picoammeter. This design reduces the voltage burden by several orders of magnitude, making the input voltage drop on the lower measurement range less than 200μV. The lower input voltage drop makes the 6487 function more like an ideal ammeter than a digital multimeter, so it can achieve high-accuracy current measurement even in circuits with extremely low output voltages.

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