Portable Wheatstone Bridge

Model : 55X-WB

Description:-
"RAI" Portable Wheatstone Bridge Model:-55X-WB has been specially designed for the measurement of resistance in the range 0.01 ohm to 1.0 Megohm. The resistance measurement spectrum provided in the equipment is coupled with excellent accuracy of the order of ±0.05%. These exquisite capabilities have been realized in this equipment by using non-inductive imported manganin wire (GERMAN MAKE). In addition, precision phosphor-bronze silver plated band switches have been utilized to minimize the contact resistance errors to 0.0005 ohm per switch. The manganin coils have been subjected to long ageing process to eliminate the possible variations in the resistive value due to climatic temperature variations. All the coils have been properly insulated with high grade insulation material to arrest the variation in the values.
Applications:-
?    Telecommunication & cable manufacturing  industries.
?    Petro-chemical & processing industries.
?    Standard resistance manufacturing industries.
?    Testing Batch checking & standardization of cables.
?    Research & engineering institutions.
?    Defense equipment testing
?    On Field Testing
?    Electronics & Electrical engineering laboratories.
?    Transformer & Rectifier industries  
Features:-
?    Ideal for fault location in cables by Varley and Murray Loop Test
?    Battery as well as mains operated
?    Portable and completely self-contained
?    Self-cleaning and hard silver plated low contact resistance switches
?    Precision co-efficient of thermal linear expansion
?    Built-in super sensitive analogue galvanometer
?    Manganin wire having very low temperature co-efficient
?    Wide measurement capability from 0.01 ohm to 1.0 Megohm

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