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IETLAB GenRad 1492 Decade Inductor (2%; ±(1% + 0.75 µH))

  • Manufacturer: IET LAB
    Model: GenRad 1492
    Guarantee: 12 month
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Manufacturer: IETLAB
Origin: USA

(Full specifications can be found on datasheet)

Inductance range from 1 µH to 11 H
Toroidal cores for small mutual inductance and minimal effect from external fields
High-accuracy: ±(1% + 0.75 µH)
7 decade switches

Detail

datasheet

The 1492 model is an excellent choice for a highly accurate decade inductance substituter with a wide range. It is suitable for most laboratory and test applications.

The 1492 Inductance decade series are convenient elements for use in wave filters, equalizers, and turned circuits throughout the range of audio and low radio frequencies. As components in oscillators, analyzers, and similar equipment, they are especially useful during the preliminary design period, when the ability to vary circuit elements over relatively wide ranges is necessary to determine optimum operating values. The 1492 Decade Inductors have values of low-frequency storage factor, Q, that are much larger than those of air-core coils.

GenRad 1492 Decade Inductor Basic Specifications (Full specifications can be found on datasheet)

Range:
7 decade inductor ranging from 1 µH to 1 H increments
Toroidal-core inductors for small mutual inductance and minimal effects from external fields

Accuracy ±(1% + 0.75 µH) at 1 kHz, 100 mV, 23°C, tested with Model 1689 Digibridge, Series circuit

Inductance per step

Total decade inductance

dc resistance per step

Representative Q Values

at 100 Hz

at 1 kHz

at 10 kHz

1 µH

10 µH

0.02 Ω

0.026

0.20

2.00

10 µH

100 µH

0.07 Ω

0.110

1.10

10.3

100 µH

1 mH

0.2 Ω

0.340

3.40

30.0

1 mH

10 mH

0.8 Ω

0.310

3.03

23.7

10 mH

100 mH

4 Ω

2.76

18.6

70.4

100 mH

1 H

48 Ω

1.29

12.6

90.6

1 H

10 H

85 Ω

6.80

51.0

81.2



Zero inductance: < 0.75 µH

Terminals: Two 5-way, gold-plated, tellurium-copper binding posts with low thermal emf and low resistance, plus one binding post connected to case for shielding.

Switch type: Multiple solid silver contacts. To allow continuous rotation, a blank position is added on all decades.

Environmental conditions: Operating conditions: 10°C to 40°C; <50% RH

Storage: -40°C to 70°C

Mechanical: Dimensions: 43.9 cm W x 8.9 cm H x 10.2 cm D (17.3" x 3.5" x 4")

Weight: 2.4 kg (5.3 lb)


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