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Metravi KDBR Kelvin Double Bridge
Metravi KDBR Kelvin Double Bridge
(Based On 10 Reviews)
Kelvin Double bridge, with spot reflecting galvanometer, High Current DC power supply and wooden stand for specimen
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₹ 1,04,490.00
(GST inclusive price) i₹1,04,490.00
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General Specification | |
General | This bridge is very suitable for the use of wires and cables manufactures. It is being extensively used for finding the reistance of transformer windings, contact resistance of relays etc. |
Standard Resistance | There are 10 coils of 0.01 Ohm each arranged on a rotary dial plus a circular slide wire of total resistance 0.01 Ohm and 500 sub-division. Each sub-division is equal to 0.00002 Ohms on the normal range. |
Multiplying Ratio | A rotary switch furnishes 5 multiplying ratios of x 100, x 10, x 1, x 0.1 and x 0.01 |
Range of Measurement | The bridge has a range of 0.2 micro ohm to 11 ohms. |
Max. Current | 10 amperes inter mitt ant and 5 amperes continuous |
Resistance Coils | Manganin coils are used |
Terminals | Terminals for battery, galvanometer, current and potential terminals are all provided on the BACKELITE panel enclosed in a teak wood box. |
Current Reversing Switch | A battery reversing switch is provided to reverse the current in the bridge to eliminate thermal effects. |
Accuracy | ±0.05 ± 1 small division of the slide wire. |
Range | Multiplying Factor | Least Count |
2 Milliohms to 11 ohms | x 100 | 2 Milliohms |
0.2 Milliohms to 1.1 ohms | x 10 | 0.2 Milliohms |
20 Micro ohms to 11 ohms | x 1 | 20 Micro ohms |
2 Micro ohms to .011 ohms | x 0.1 | 2 Micro ohms |
0.2 Micro ohms to 0.0011 ohms | x.01 | 0.2 Micro ohms |
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