{"product_id":"2000vdc-industrial-grade-dc-resistance-box-variable-resistor-1","title":"2000VDC Industrial DC Resistance Box – Variable Resistor Tool","description":"\n\u003ch2\u003e2000VDC Industrial-Grade DC Resistance Box\u003c\/h2\u003e\n\u003cp\u003eAchieve precise, repeatable resistance values in your DC circuits with this compact, sealed variable resistor box. Engineered for industrial applications, instrument calibration, circuit testing, and teaching labs, this resistance box delivers a reliable standard resistance reference up to 2000VDC — all in a rugged ABS enclosure that fits easily on any workbench.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Resistance Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Voltage Rating:\u003c\/strong\u003e Supports up to 2000VDC between binding posts — suitable for demanding industrial and high-voltage testing environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Models Available:\u003c\/strong\u003e Choose from 1M, 10M, 100M, or 1000M configurations to match your specific circuit requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Accuracy:\u003c\/strong\u003e ±2% resistance accuracy at 23°C ±5°C ensures dependable calibration and circuit verification results.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Sealed Design:\u003c\/strong\u003e Small sealed enclosure (64 × 58 × 35.5 mm, excluding binding posts) protects internal resistor elements and simplifies bench integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Functions reliably from -40°C to 60°C at up to 80% RH — ideal for field or lab conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard Binding Posts:\u003c\/strong\u003e Ø13mm × 24mm posts with 40mm spacing and Ø4mm socket \/ M6 stud connections for easy integration with standard test leads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCircuit Testing \u0026amp; Debugging:\u003c\/strong\u003e Simulate known resistance loads to verify DC power supply performance, drive circuits, and protection circuits. Adjust resistance to change load current (I = U\/R) and confirm output voltage stability under rated load.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoad Simulation:\u003c\/strong\u003e Substitute for actual loads — motors, sensors, or other devices — during pre-installation testing of control and drive circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFault Diagnosis:\u003c\/strong\u003e Compare theoretical vs. measured values using a known resistance to pinpoint abnormal load conditions such as short circuits, open circuits, or resistance drift.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstrument Calibration:\u003c\/strong\u003e Serve as a traceable standard resistance source for calibrating multimeters, ohmmeters, DC power supplies, and resistance testers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEducational Experiments:\u003c\/strong\u003e Ideal for university labs and electronics teaching environments requiring accurate, adjustable resistance references.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1M, 10M, 100M, 1000M\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResistance Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% (at 23°C ±5°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2000VDC (between binding posts)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.25W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L×W×H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64mm × 58mm × 35.5mm (excluding binding posts)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBinding Post Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eØ13mm × 24mm, 40mm spacing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSocket: Ø4mm × 17mm; Stud: M6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Conditions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to 60°C, ≤80% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 2000VDC Industrial-Grade Resistor Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eActual product color may vary slightly from images due to monitor brightness and ambient lighting.\u003c\/li\u003e\n  \u003cli\u003ePlease allow for minor manual measurement deviations in the listed dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a DC resistance box used for in circuit testing?\u003c\/h4\u003e\n\u003cp\u003eA: A DC resistance box provides a precise, adjustable known resistance value that can be connected into a DC circuit to simulate loads, verify power supply stability, test protection circuits, or compare measured values against theoretical calculations. It is a fundamental tool for electronics engineers, technicians, and educators working with DC systems.\u003c\/p\u003e\n\u003ch4\u003eQ: What models are available for this 2000VDC industrial resistance box?\u003c\/h4\u003e\n\u003cp\u003eA: This resistance box is available in four models: 1M, 10M, 100M, and 1000M. Each model offers a specific resistance range suited to different circuit testing, calibration, or simulation requirements. The rated resistance is 100MΩ with ±2% accuracy.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this resistance box handle high-voltage DC applications?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This industrial-grade resistance box is rated for up to 2000VDC between the two binding posts, making it suitable for high-voltage DC circuit testing, insulation verification, and demanding calibration tasks. Always ensure your test setup complies with relevant safety standards when working with high-voltage circuits.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this resistance box suitable for extreme temperature environments?\u003c\/h4\u003e\n\u003cp\u003eA: This resistance box operates reliably across a wide temperature range of -40°C to 60°C at up to 80% relative humidity, making it appropriate for both laboratory and field use in varying environmental conditions.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a DC resistance box used for in circuit testing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A DC resistance box provides a precise, adjustable known resistance value that can be connected into a DC circuit to simulate loads, verify power supply stability, test protection circuits, or compare measured values against theoretical calculations. 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