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Ðiện cảm chuẩn có thể lập trình IETLAB PLS Series (1% và 2%; 1 µH tới 10 H)

( Khách hàng chọn model, thông số chi tiết tại mục Datasheet, Download/video. )

Dải đo và độ phân giải: 1 µH tới 10 H
Có 2 độ chính xác : 1% và 2%
LabVIEW Drivers cho IEEE-488.2 và RS-232 Versions

Chi tiết

datasheet

manual

PLS SPECIFICATIONS

Standard Models

Model
PLS-400
PLS-400A
Type
Wide Range Inductance
Standard Inductance Range
Accuracy
2%
Decades
4
3
Range
0 - 9.999 H
0 - 999 mH
Resolution
1 mH
Type of Components
Toroidal inductors


Switching time: < 4 ms per change; < 7 ms for 0.05% units
IEEE: GPIB standard 24 pin connector, conforms to IEEE-488.2; SCPI 1994.0 command set; Hardware or software configurable addressing range of 0 to 30. .
RS232: 25 pin male DTE interface conforms to EIA-STD-RS-530; SCPI 1994.0 command set; data rates from 300 to 115200 bps.

IET PLS Series - The World's Only Programmable Inductance Decade Box

A broad range of laboratory grade programmable inductance decade boxes for applications requiring a programmable impedance unit controlled manually and by a computer via an IEEE-488, RS-232 interface.


The PLS Series is a broad line of high precision programmable decade inductors. They provide straight inductance in a wide selection of ranges, tolerances and
ratings. IET Labs also supplies custom combination substituters for capacitance and resistance as well as sources for voltage and current.

The PLS Series is a precision substituter with excellent characteristics of stability, temperature coefficient, and power coefficient. High dynamic ranges are available, starting as low as 1 µH and extending for as many as 10 decades. These features combined with a low virtually constant residual impedance make for very versatile instruments.

The PLS Series programmable inductance box features two optional special settings, an “open circuit” and a “short circuit”. These modes are useful for obtaining reproducible transitions between settings, i.e. break-before-make or to short between settings. The “short circuit” setting also provides a reduced zero setting impedance.

Operation is both local using convenient direct reading front panel thumbwheel switches, and remote with optional parallel RS-232 Serial or IEEE-488 interfaces.
The PLS Series employs very low inductance relays. High quality gold plated tellurium copper five-way binding posts serve to minimize the thermal emf effects which would artificially reflect a change in dc resistance measurements. All other conductors within the instrument, as well as the solder employed, contain no metals or junctions that could contribute to thermal emf problems.

With low resolutions and high dynamic ranges, the PLS Series may be used for exacting precision measurement applications requiring high accuracy, good stability, and low zero impedance. They are suited for automatic and manual calibration and testing, simulation of programmable loads, and many other laboratory and industrial applications.

The components employed in these substituters are accurate and stable. Low temperature coefficient inductors are used. Inductors are selected for best suitability to each decade.

The PLS Series offers an optional digital display to indicate the control command. The unit may be rack mounted to serve as a component in measurement and control systems.

DRIVERS - TEST KEYBOARD

To aid the user in operating the PRS/PCS/PLS, Two “Keyboard” Controller programs - the easiest way to control GPIB or RS232 devices without writing a program - are available from IET. This Keyboard programs automatically finds your device at start-up and it lets you enter just the data that you want to send to the device. This program works with ICS, Measurement Computing and National Instruments controllers. 

For GPIB   IEEE-488.1 and IEEE-488.2 interface
Download ICS_GPIBkybd_Install.zip

Unzip the file and follow instructions to install. Open the application.  You may use the Find Listeners button to confirm that the PLS unit is recognized. Other instruments may also be recognized at this time.

Enter and set the Address to the PLS address. Use the window to send a command string to the PLS, where the command string is constructed as described in the operating manual. A command string might be, for example:
SOURce:DATA inductance string

For Serial RS-232 interface:
Download: ICS_Serkybd_Install.zip

Unzip the file and follow instructions to install. Open the application.  Initialize the COM PORT and use the Device Command window to send a command string to the PLS, where the command string is constructed as described in the operating manual. A command string might be, for example:
SOURce:DATA inductance string

 

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