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1051 Decade Resistance Box Data Sheet

1051 Decade Resistance Box Data Sheet

Product catalog summary
Description: The Time Electronics 1051 Resistance Decade Box is a precision low ohm resistance box designed for laboratory and field use, including platinum resistance thermometry. It features a robust metal case with a removable protective rubber cover, ensuring durability and portability. The device uses high stability metal film resistors for excellent accuracy and includes an 8-digit thumbwheel switch for precise resistance setting. Special gold contact arrangements ensure reliable operation.
Specifications: The resistance range is from 0 to 1 MΩ with 0.01 Ω steps. Accuracy varies from ±10% to ±0.1% depending on the decade. Maximum current ranges from 1 A to 3 mA, with a residual resistance of less than 90 mΩ. The power rating is 1 watt per resistor, and the maximum voltage rating is 250 V DC/AC RMS. The temperature coefficient is 50 ppm/ºC. The dimensions are 215 mm x 100 mm x 120 mm, and it weighs 1 kg.
Features: The 1051 offers high accuracy, simple operation with clear visual indication, high stability, low temperature coefficient, safety terminals, and a removable protective cover. It is suitable for lab, workshop, or field use.
Common Applications: It is used for calibration of resistance in measuring devices, Pt100 simulation for checking RTD transmitters, select-on-test resistance substitution in circuit design, and educational purposes for understanding Ohm’s Law.
Ordering Information: The product code for the Low Ohm Resistance Decade Box is 1051. Additional accessories include the 9026 carry case, C161 traceable calibration certificate, and C114 accredited calibration certificate (ISO 17025).
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Catalog excerpts

1051 Decade Resistance Box Data Sheet-1

Time Electronics Description A precision low ohm resistance box designed for general laboratory work including platinum resistance thermometry. The 1051 is compact and durable, housed in a robust metal case with removable protective rubber cover, making it ideal for use in either the laboratory or field. Excellent accuracy is achieved by using high stability metal film resistors. The 8-digit thumbwheel switch enables simple and precise setting with a clear indication of the resistance value. Switch Contacts: Special attention has been given to the reliability of operation. A special multiple gold contact arrangement ensures low contact resistance and continued operation even if a contact fails. Clear Visual Indication: To make selecting and reading the setting easy the 1051 incorporates colour coded digits: kilohms - red, ohms - white, milliohms - yellow. Safety Terminals: Compatible with 4 mm shrouded plugs, as well as standard plugs, bare wires, and spade terminals. Added Protection: The 1051 comes fitted with an ergonomic rubber cover providing increased protection and durability. It has a textured grip for comfortable handling and side openings to place labels. It is easy to remove if the user prefers a stand-alone unit or to house the 1051 in the optional 9026 carry case. Features • 0.01 Ω to 1 MΩ • High accuracy • Simple operation with clear visual indication • High stability • Low temperature coefficient • Safety terminals • Removable protective cover • Robust and durable for lab, workshop or field use Common Applications • Calibration of resistance in measuring devices • Pt100 simulation for checking RTD transmitters • Select-on-test resistance substitution in circuit design • Educational understanding of Ohm’s Law Ordering Information Due to continuous development Time Electronics reserves the right to change specifications without prior notice. Time Electronics Ltd, Unit 5, T O N Business Park, 2-8 Morley Road, Tonbridge, Kent, TN9 1RA, United Kingdom T: +44 (0) 1732 355993 | F: +44 (0) 1732 350198 | mail@timeelectroni

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