产品介绍
简单信息:输力强(Solartron)现隶属于美国AMETEK集团公司,具有50多年设计和生产精密电子仪器的历史,是频率响应分析仪(FRA)的专业生产厂家,传递函数分析(TFA)产品设计和应用仪器市场的领先者。
The model 1255B Frequency Response Analyzer is one of a range of instruments that will meet your needs today and in the future.
Using the single sine technique the 1255B provides precise measurement of gain and phase between any two points in a system. This fully digital technique is used to assess the performance of both simple and complex systems - mechanical, electronic and electrochemical. For over 30 years Solartron Analytical have produced frequency response analyzers, instruments which are regarded throughout the world as industry standards. This unsurpassed knowledge and experience has been used to produce the 1255B, with its 1 MHz frequency range and 1 in 65 million frequency resolution.
The 1255B Frequency Response Analyzer applies the power and sophistication of modern measurement technology; simple in concept, fast and precise in performance, and so easy to use, even by non-technical personnel. The 1255B Frequency Response Analyzer’s key features include:-
Electrochemistry
Measurement of impedance has become an important tool in the study of electrochemical/biological phenomena and material properties.
The 1255B together with a potentiostat such as the model 1287A, can be used in a wide range of applications, including:-
Materials Testing
When combined with a 1296 Dielectric Interface and temperature test equipment the 1255B can be used to test a wide range of materials, such as:-
Electronic Testing
The model 1255B is ideally suited to a wide variety of applications in the field of electronics - from fundamental aspects, such as the characterization of the electrical and mechanical properties of materials, to the development and testing of components and complete circuits.
Generally these applications require the measurement of transfer functions and group delay over a wide frequency range. In the case of filters, a wide dynamic range coupled with high frequency resolution are also needed to enable the attenuation characteristics to be full defined.
Consider the model 1255A if manual operation is required or for frequencies up to 20 MHz.
Specifications
Generator | ||||
AC Amplitude | 0 to 3 V rms | |||
Maximum AC resolution | 5 mV | |||
DC Bias Range | ±40.95 V | |||
Maximum DC resolution | 10 mV | |||
Output impedance | 50 ?±1% | |||
Max output current | ±100 mA peak | |||
Frequency range | 10 µHz to 1 MHz | |||
Max resolution | 10 µHz | |||
Error: | ±100 ppm | |||
Stability | 24 hrs ±1ºC | |||
±10 ppm | ||||
Sweep types | Frequency (logarithmic or linear) | |||
Amplitude (linear) | ||||
DC bias (linear) | ||||
Resolution | ||||
frequency | >10000 points | |||
amplitude | >200 points | |||
Maximum voltage hi to lo | ±46 V peak | |||
Maximum voltage lo to ground | ±0.4 V peak | |||
Maximum current | ±100 mA peak | |||
Impedance lo to ground | 100 ?, <10 nF | |||
Connector | Single BNC, floating shield | |||
Protection | Output is short-circuit protected | |||
Analyzers | ||||
Two independent analyzers operating in parallel | ||||
Range | Dynamic range | FS Peak Input |
Common Mode Rejection |
|
30 mV | 1 µV (90 dB) | 45 mV | 5 V | |
300 mV | 10 µV (90 dB) | 500 mV | 5 V | |
3 V | 100 µV (90 dB) | 5 V | 5 V | |
Inputs protected to | ±46 V | |||
Connections | single/differential BNC | |||
Shields | floating/grounded | |||
Coupling | DC or AC (-3 dB at 1 Hz) | |||
Input impedance hi to shield | 1 M?, <35 pF | |||
Input impedance shield to ground | 10 k?, 330 pF | |||
Cross-channel isolation @ 1 MHz | >100dB | |||
Integration time | 0.01 s to 105 s, or auto | |||
Measurement delay |
0 to 105 s |
|||
Limits of error | Ambient temperature 20±10ºC, integration time >200 ms. Data valid for one year after calibration.
Gain-phase measurements |
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Calculated Results (available via computer interface) | ||||
Variable | Frequency, AC amplitude, DC bias | |||
Measured parameters | Voltage gain, phase, real, imaginary, Z, R, X, Y, G, B, V, I group delay, C, L, Q, D | |||
Interfaces | ||||
RS232 & GPIB (IEEE-488) | For instrument control | |||
Power Requirements | ||||
Voltage | 90 to 126V, 198 to 252 VAC | |||
Frequency | 48 to 65 Hz | |||
Power | < 230 VA | |||
Dimensions | ||||
Width | 432 mm (17") | |||
Depth | 573 mm (22.56 ") | |||
Height | 176 mm (6.93") | |||
Weight | 18 kg (40 lbs) | |||
Operating Temperature Range | 0 to 50ºC (32 to 122ºF) |
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