De Sauty Bridge with Oscillator and Detector Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12088
Indian Lab Suppliers supplies the De Sauty Bridge with Oscillator and Detector (Product ID: 12088) as part of its electronics engineering lab equipment range. It is a self-contained De Sauty bridge board for comparing two capacitances and finding an unknown capacitor.
Quick Answer
A 1 kHz ±3% sine oscillator with audio amplifier (0–2 V output) excites the bridge, and a 3½-digit digital null detector shows balance. Two decade capacitors, each with a single dial in 0.1 µF steps up to 1 µF, form the capacitive arms, and a decade resistance dial (100 Ω steps to 1 kΩ) sets the resistance arms R1 and R2. At balance the ratio of the two capacitances equals the inverse ratio of the resistance arms, so an unknown capacitance follows from the known one. A ±12 V, 100 mA regulated supply is built in and the unit runs on 230 V ±10%, 50 Hz mains.
Key Specifications
| Parameter | Detail |
|---|---|
| Oscillator | Sine, 1 kHz ±3%, 0–2 V output, with audio amplifier |
| Detector | 3½-digit digital null detector |
| Capacitance arms | 2 decade capacitors, 0.1 µF steps to 1 µF each |
| Resistance arms | Decade dial, 100 Ω steps to 1 kΩ (R1, R2) |
| DC supply | ±12 V, 100 mA, IC regulated |
| Mains | 230 V ±10%, 50 Hz |
| Size / weight | 340 x 125 x 210 mm; about 1.6 kg |
| Accessories | 4 mm patch cords, 50 cm: 1 red, 5 black |
Where This Is Used
Used in electrical measurement and B.Sc. physics labs for AC bridge work, alongside the Maxwell's Bridge Trainer (Product ID: 12106) and Networks and Bridges Trainer (Product ID: 12077). Browse the full Electronics Engineering Lab Equipment range or related Electricity and Magnetism products.
Frequently Asked Questions
What does a De Sauty bridge measure?
It compares two capacitances, so an unknown capacitor can be found from a known one.
What frequency is used?
1 kHz from the built-in oscillator.
How is balance detected?
With the built-in 3½-digit digital null detector.
Related Categories
Electronics Engineering Lab Equipment · Electricity and Magnetism · Physics Lab Equipment
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