Maxwell's Bridge Trainer Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-12106
Indian Lab Suppliers supplies the Maxwell's Bridge Trainer (Product ID: 12106) as part of its electronics engineering lab equipment range. It is a board for measuring unknown inductance with Maxwell’s inductance bridge and Maxwell’s inductance-capacitance bridge.
Quick Answer
In the inductance bridge the unknown coil is compared with a standard variable inductance; in the inductance-capacitance version it is balanced against a standard variable capacitance, and at the null point the unknown inductance and its resistance are calculated from the arm values. A 1 kHz ±5% sine generator (amplitude up to 20 Vpp) excites the bridge, and a null detector made of a differential amplifier, AC-to-DC converter and 200 mV digital panel meter shows balance. Six unknown inductors are provided: 10, 20 and 30 mH and 56, 24 and 12 µH. A ±12 V DC supply is built in and it runs on 230 V ±10%, 50 Hz. The internal resistance values of the unknown coils should be confirmed at quotation.
Key Specifications
| Parameter | Detail |
|---|---|
| Bridges | Maxwell inductance; Maxwell inductance-capacitance |
| Sine generator | 1 kHz ±5%, up to 20 Vpp |
| Null detector | Differential amplifier, AC-DC converter, 200 mV DPM |
| Unknown inductors | 10, 20, 30 mH; 56, 24, 12 µH |
| DC supply | +12 V, −12 V |
| 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 bridge work; the Hay's Bridge Trainer (Product ID: 12111) suits high-Q coils and the De Sauty Bridge with Oscillator and Detector (Product ID: 12088) compares capacitances. Browse the full Electronics Engineering Lab Equipment range or related Electricity and Magnetism products.
Frequently Asked Questions
What is compared with the unknown inductance?
A standard variable inductance or a standard variable capacitance.
How is balance detected?
With the built-in null detector and digital panel meter.
Which unknown inductors are supplied?
10, 20 and 30 mH and 56, 24 and 12 µH.
Related Categories
Electronics Engineering Lab Equipment · Electricity and Magnetism · Physics Lab Equipment
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