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Metravi KDBR Kelvin Double Bridge
Metravi KDBR Kelvin Double Bridge
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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Description
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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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