Description
Technical Specifications
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Model: SRB-1
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Type: Standard Resistance Box / Reference Standard
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Accuracy: ±0.5%
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Resistance Range: 1 mΩ to 1 kΩ
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Resistance Steps (7 values):
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1 mΩ, 10 mΩ, 100 mΩ, 1 Ω, 10 Ω, 100 Ω, 1 kΩ
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Resistor Material: Manganic wire coils for high stability and low temperature coefficient
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Current Ratings:
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1 mΩ – 20 A
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10 mΩ – 10 A
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100 mΩ – 2 A
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1 Ω – 500 mA
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10 Ω – 100 mA
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100 Ω – 50 mA
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1 kΩ – 1 mA
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Compatible Instruments: Kelvin Double Bridge (e.g., KDB-2031 / 2081) and Digital Micro-Ohm Meter
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Applications: Wire & cable industry, calibration labs, testing laboratories, educational institutes
📋 Product Overview
The Standard Resistance Box SRB-1 is a high-precision reference instrument designed to provide stable and accurate resistance values for electrical testing, measurement, and calibration applications. Constructed using manganic wire resistance coils, the unit ensures excellent long-term stability and minimal temperature-related errors.
With a selectable resistance range from 1 milliohm to 1 kiloohm across seven fixed values, SRB-1 meets the diverse needs of low-resistance measurement and verification tasks. Its 0.5% accuracy makes it a dependable reference standard for professional laboratories and industrial environments.
The SRB-1 is commonly used with Kelvin Double Bridges and Digital Micro-Ohm Meters for precise calibration and resistance comparison. Its high current-handling capability across lower resistance ranges makes it suitable for demanding applications in the wire and cable manufacturing industry, testing centers, and quality assurance laboratories.
⚡ Key Features
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Precision 0.5% accuracy reference standard
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Wide resistance range: 1 mΩ to 1 kΩ
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Seven fixed resistance values for versatile testing
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Manganin wire resistors for superior stability and reliability
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High current capacity for low-ohm measurements
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Compatible with Kelvin Double Bridge & Micro-Ohm Meters
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Suitable for industrial and laboratory calibration use
