{"product_id":"2000vdc-industrial-grade-dc-resistance-box-variable-resistor-2","title":"2000VDC Industrial DC Resistance Box – Variable Resistor Tool","description":"\u003ch2\u003e2000VDC Industrial-Grade DC Resistance Box\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003e2000VDC Industrial-Grade DC Resistance Box\u003c\/strong\u003e is a precision electronic component designed for professionals, engineers, and educators who need a reliable, adjustable standard resistance source in DC circuits. Compact, sealed, and built from durable ABS material, it delivers accurate, traceable resistance values for circuit testing, instrument calibration, and laboratory experiments.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Is a DC Resistance Box?\u003c\/h3\u003e\n\u003cp\u003eA DC resistance box is an electronic instrument that precisely outputs fixed or variable DC resistance values. It uses internally preset resistor units — such as metal film and wirewound resistors — combined through switching mechanisms to provide a known, stable resistance load or calibration reference for DC circuits.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Voltage Rating:\u003c\/strong\u003e Supports up to 2000VDC between binding posts — ideal for industrial and high-voltage applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Accuracy:\u003c\/strong\u003e ±2% resistance accuracy at 23°C ± 5°C for dependable, repeatable results.\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 project requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSealed Compact Design:\u003c\/strong\u003e Measures just 64mm × 58mm × 35.5mm (excluding binding posts), making it easy to integrate into tight spaces or portable test setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Functions reliably from -40°C to 60°C and up to 80% relative humidity — suitable for demanding environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eABS Housing:\u003c\/strong\u003e Lightweight, durable white ABS enclosure protects internal components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard Binding Posts:\u003c\/strong\u003e Ø13mm × 24mm posts with 40mm spacing; compatible with 4mm banana plugs and M6 stud connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCircuit Testing \u0026amp; Debugging:\u003c\/strong\u003e Simulate known loads to verify DC power supply performance, test control circuit responses, and troubleshoot current\/voltage anomalies by comparing theoretical and measured values.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstrument Calibration:\u003c\/strong\u003e Use as a standard resistance source to calibrate multimeters, ohmmeters, DC power supplies, and resistance testers for accurate measurement results.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTeaching \u0026amp; Laboratory Experiments:\u003c\/strong\u003e Ideal for academic settings where repeatable, adjustable resistance values are needed for demonstrating Ohm's Law and other DC circuit principles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\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\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2000VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.25W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤80% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64mm × 58mm × 35.5mm (excl. binding posts)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBinding Post Spacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm\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\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 China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 2000VDC Industrial-Grade DC Resistance Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor brightness settings. Please allow for minor dimensional tolerances in manual measurements.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May 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\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the 2000VDC rating mean on this resistance box?\u003c\/h4\u003e\n\u003cp\u003eA: The 2000VDC rating means the resistance box can safely handle up to 2000 volts DC across its two binding posts. This makes it suitable for high-voltage DC circuit testing, industrial calibration, and applications where standard lower-voltage resistance boxes would be inadequate.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What resistance models are available for this DC resistance box?\u003c\/h4\u003e\n\u003cp\u003eA: This industrial-grade resistance box is available in four models: 1M, 10M, 100M, and 1000M. Each model provides a different resistance range, allowing you to select the best fit for your specific circuit testing or instrument calibration needs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this resistance box be used for instrument calibration?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This DC resistance box serves as a precision standard resistance source for calibrating electronic measuring instruments such as multimeters, ohmmeters, and resistance testers. Its ±2% accuracy ensures reliable calibration references for accurate measurement outcomes.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the resistance box suitable for use in laboratory or educational settings?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. Its compact sealed design, wide operating temperature range (-40°C to 60°C), and precise resistance output make it an excellent tool for laboratory experiments, electronics teaching, and hands-on demonstrations of DC circuit principles including Ohm's Law.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the 2000VDC rating mean on this resistance box?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 2000VDC rating means the resistance box can safely handle up to 2000 volts DC across its two binding posts. 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