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Ðiện dung chuẩn IETLAB GenRad 1404 Series (0.001 µF (100 nF) tới 1000 µF)

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

Giá trị từ 0.001 µF (100 nF)  tới 1000 µF
Tính ổn định ±0.01 %/năm
Cấu hình 2-5 đầu nối, tùy thuộc model
Hiệu chỉnh ISO-17025

Chi tiết

datasheet

manual

The GenRad 1409 Standard Capacitor is series of highly stable, cost-effective capacitance standards. With a low temperature coefficient and low losses, these standard capacitors come in a wide range of capacitance values from 1 nF - 1,000 µF.

From 1 nF to 1 µF, the standard capacitors are constructed with
silvered-mica and foil  for use as two- or three-terminal lab standard. From 1 µF to 10 µF the units are made of hermetically sealed polystyrene for 10 μF. Above 10 μF the capacitor is hermetically sealed polycarbonate,

Typical capacitors, observed over decades, have shown random fluctuations of less than + 0.01% in measured capacitance with no evidence of systemic drift.

The elements used in 1409 Standard Capacitors are selected for low dissipation factor and are stabilized by heat cycling. They are housed in cast aluminum cases, along with silica gel which provides continuous desiccation. These cases are sealed with high-temperature wax.   A well is provided in the wall of the case for insertion of a dial-type thermometer.   Three jack-top binding posts are provided on the top of the case, and removable banana plugs on the bottom, for convenient parallel connection without error

For convenient parallel connection without error, three jack-top binding posts are provided on the top case, with removable plugs on the bottom.

BASIC SPECIFICATIONS
Calibration: A certificate of calibration that is accredited by A2LA to ISO-17025 is provided with each unit,

Calibration and Test Conditions: Calibrated at 23°C, <50% RH, Traceable to SI 1 nF - 1 μF: Units are calibrated as both 2-terminal and as 3-terminal capacitors. For 2-terminal measurements, the LO terminal is shorted to the GND terminal. The Adjustments to Nominal specified in the table above apply to 2-terminal measurements. 10 μF - 1000 μF: Units are calibrated as 5-terminal capacitors, "series model"

Nominal value Model Adjustment to nominal Temperature coefficient(ppm/°C) Calibration frequency Dissipation(typical) Stability

(per year)
Terminals Capacitor type
1 nF 1409-F ±0.02% 20 1 kHz 0.0003 ±100 ppm 2 bp's + gnd Silvered Mica mechanically stabilized hermetically sealed
10 nF 1409-L ±0.02% 20 1 kHz 0.0003 ±100 ppm
100 nF 1409-T ±0.02% 20 1 kHz 0.0003 ±100 ppm
1 µF 1409-Y ±0.02% 20 1 kHz 0.0002 ±100 ppm
10 µF 1409-10µF ±0.04% ±50 100 Hz 0.0005 ±200 ppm 4 bp's + gnd Metallized Polypropylene Sulfide (MPPS) hermetically sealed
100 µF 1409-100µF ±0.05% ±50 100 Hz 0.001 ±500 ppm
1,000 µF 1409-1000µF ±0.4% -150 100 Hz 0.001 ±500 ppm

 

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