Description
Technical Specifications
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Model: SRB-181
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Type: Standard Resistance Decade Box
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Resistance Range: 1 mΩ to 100 mΩ
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Number of Steps: 19 fixed resistance values
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Resistance Values:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 mΩ -
Accuracy: ±0.2% for all values
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Current Rating:
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1 mΩ to 9 mΩ – 10 A
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10 mΩ and above – 8 A
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Current Marking: Clearly marked on front panel
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Application Type: Reference standard for calibration
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Construction: Robust enclosure for laboratory use
Product Overview
The Standard Resistance Decade Box SRB-181 is a precision low-resistance reference instrument designed for accurate calibration and testing applications. It provides 19 fixed resistance values ranging from 1 milliohm to 100 milliohms, making it ideal for use in electrical laboratories and calibration facilities.
This resistance box is specifically intended for calibration of Wheatstone bridges and other precision measuring instruments where stable, known resistance values are required. The high current handling capability ensures reliable performance even during low-resistance, high-current testing.
With clearly marked current ratings on the front panel and consistent accuracy across all steps, the SRB-181 ensures repeatable and dependable results in demanding measurement environments.
Key Features
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Wide low-resistance range from 1 mΩ to 100 mΩ
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19 precise resistance values for flexible testing
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High accuracy of ±0.2% across all steps
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Suitable for high-current low-resistance applications
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Designed as a reference standard for calibration work
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Ideal for Wheatstone bridge calibration
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Clear panel markings for safe and correct operation
Applications
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Calibration of Wheatstone bridges
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Reference standard in electrical calibration laboratories
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Low-resistance measurement verification
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Testing of shunts, busbars, and conductors
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Educational and research laboratories
