Hay's Bridge Trainer Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-12111
Indian Lab Suppliers supplies the Hay's Bridge Trainer (Product ID: 12111) as part of its electronics engineering lab equipment range. It is a trainer for finding the inductance and Q-factor of high-Q coils with Hay’s bridge.
Quick Answer
Hay’s bridge is a modification of Maxwell’s bridge in which the standard capacitor is in series with a resistor, which makes it suited to inductors with a high Q-factor. A built-in sine generator (1–10 kHz ±10%, 0–5 Vpp) drives the bridge, a 10-turn potentiometer sets balance, and a null detector built from a differential amplifier, AC-to-DC converter and 0–200 mV digital panel meter shows the null. Three unknown inductors are supplied: 58 mH (58 Ω), 100 mH (174 Ω) and 116 mH (116 Ω), with tolerances of ±5% to ±10%. It runs on 230 V ±10%, 50 Hz.
Key Specifications
| Parameter | Detail |
|---|---|
| Sine generator | 1–10 kHz ±10%, 0–5 Vpp |
| Null detector | Differential amplifier, AC-DC converter, 0–200 mV DPM |
| Balancing | 10-turn potentiometer |
| Unknown inductors | 58 mH / 58 Ω (±10%); 100 mH / 174 Ω (±5%); 116 mH / 116 Ω (±10%) |
| Mains | 230 V ±10%, 50 Hz |
| Size (W x D x H) | 240 x 345 x 110 mm |
Where This Is Used
Used in electrical measurement labs for AC bridges; the Maxwell's Bridge Trainer (Product ID: 12106) covers medium-Q coils and the Networks and Bridges Trainer (Product ID: 12077) includes Hay’s bridge among other bridges. Related items: Measurement of Inductance by Hay's Bridge (Product ID: 12326). Browse the full Electronics Engineering Lab Equipment range or related Electricity and Magnetism products.
Frequently Asked Questions
Why use Hay’s bridge?
It gives accurate results for inductors with a high Q-factor.
What is determined?
The unknown inductance and its Q-factor.
Can the test frequency be changed?
Yes, from 1 kHz to 10 kHz.
Related Categories
Electronics Engineering Lab Equipment · Electricity and Magnetism · Physics Lab Equipment
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