Wheatstone Bridge Dealers

Determination of unknown resistances. Determination of the total resistance of resistors in series, of resistors in parallel. Determination of the resistance of a wire as a function of its cross-section. What you can learn about Kirchhoff's laws Conductor Circuit Voltage Resistance Parallel connection Series connection Wheatstone Bridge - The Wheatstone bridge circuit is used to determine unknown resistances. The total resistance of resistors connected in parallel and in series is measured.  Add To Cart Add To Cart

We are offering kelvin cum wheatstone bridges. description:- “rai” precision kelvin-cum-wheatstone bridges model 55x-kw is important instruments in the measurement of resistance as low as 0.1 micro ohms to highest value of 1 ohm. Manganin has the quality of very low temperature co-efficient which is a critical parameter for resistance standards manufacturing. Kelvin cum wheatstone bridge is also constructed with manganin coils & sheet. Phosphor bronze silver plated switches have been used to minimize the residual resistance error. Four standard decade dials, ratio selector & plug keys facilitate accurate null detection. kelvin bridge section user can easily change over from kelvin section to wheatsone bridge section & vice-a-versa with the help of a selector switch. range of measurement 0.1 micro-ohm to 1 ohm accuracy below 0.0001 ohm +- 0.5% +- 1 slide wire division 0.0001 ohm to 0.01ohm +- 0.1% above 0.01 ohm +- 0.05% reference resistance standards 0.001, 0.01, 0.1 and 1.0 ohm dividing ratio 1 , 10 , 100 and 1000 ohm multiplying ratio 0.1 x 1, 1.0 x10, 10 x10 and 100 x10 ohm in shape of standard decade resistors. wheatstone bridge section range 1ohm to 1.0 megohm accuracy 1 ohm to 100.0 k 0.1 % +- 1 step of lowest decade dial above 100.0 k 1.0 % dividing and multiplying ratio in denominations of 1, 10, 100 and 1000 ohm variable arm formulated by decade dials of 10x0.1, 10x 1, 10 x10 and 10 x 100 ohm. accessories for kelvin-cum-wheatstone following accessories are required with the kelvin-cum-wheatstones support accessories to complete the measurement system. The bridge becomes the complete measurement system in conjunction with the following accessories: 1. conductivity attachment 2. high amperage dc source ( 0 to 50amp. Suitable for bridge) 3. spot reflecting galvanometer 4. analogue galvanometer with selector switch for protection of spot reflecting galvanometer 5. current reversing switch

Product Category :  Electrical Network Circuits and Bridges Lab Trainer  (Series : 600)Product Name : Wheatstone BridgeModel No. : SE-633Product Details This has Built-In DC +12V/500mA Power supply, the arms of resistive bridge uses two fixed and one variable known resistors wired with one variable Unknown resistor to study the Wheatstone bridge to determine the value of unknown resistor, facility to set the unknown resistor in a wide range, Galvanometer used for null indication, maximum test points.   Objectives : To Study the Wheatstone Bridge. To Study measurement of Medium Resistance Using Wheatstone Bridge. To Compare the Theoretical and Practical Values. Accessories Included :  Set of Patch Cords, Operating Manual.  

WHEATSTONE BRIDGE Mounted on a polished wooden base four gap system, enabling two additional resistance to be interpolated in the additional gaps, enables greater accuracy of measurement by reducing unwanted resistance to a minimum. Two brass strips are provided to close the gaps when so required. Complete with knife edge jockey.

We offer portable wheatstone bridge for precision resistance measurements. Built in : sensitive galvanometer (10 u amps) and a dry battery 4.5 volts. Series arm : there are 4 decades of 10x1,10x10,10x100 & 10x1000 ohms. Range multipliers : a single rotary switch furnishes 7 range multipliers of x 1000, x 100, x 10, x 1, x 0.1, x 0.01 and x 0.001. Range of measurement : 0.001 ohm to 11.1 meg-ohms. Provision for using external battery provided. Accuracy : better than 0.05% galvanometer : is provided push buttons : two push buttons for battery & galvanometer

Capacity Box Dial Type Description    a) Single Dial Capacity Box :  High grade paper condensers of accurate value housed in wrinkled metal case in one dial each consisting of ten steps. Sub Division Mfd.  1) 0.001  2) 0.01  3) 0.1  4) 1  b) Two Dial Capacity Box :-  Consisting of 20 steps  1) 0.001 and 0.01  2) 0.01 and 0.1  3) 0.1 and 1  c) Three Dial Capacity Box :-  Consisting of 30 steps  1) 0.001, 0.01 and 0.1  2) 0.01, 0.1 and 1  d) Four Dial Capacity Box :-  Consisting of 40 steps  0.001, 0.01, 01 and 1  e) Wein’s Bridge :-  The instrument is designed for measurement of capacitance according to Wein’s method w/o headphone  f) Wein’s Series Resistance Bridge :-  Comprising panel with resistance decade dials, Audio oscillator 1000 c/s. 3 dial decade condensor box & headphone. g) De-Sauty Bridge :-  It is a simple form of bridge giving maximum accuracy while comprising capacitance in terms of resistance. Three decade dials x10, x100 and x1000 ohms. Form one arm. The other arm has also decade dials of x10, x100 & x1000 ohms.  

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