Clarostat 240C Decade Resistor – 240-C
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Description
The Clarostat 240C Decade Resistor, often referred to as the 240-C, is a high-precision instrument designed for accurate resistance measurement and calibration in electronic and electrical testing applications. This decade resistor is widely used in laboratories, production environments, and for field testing due to its exceptional accuracy and versatility. The 240C features a series of decade switches, each representing different orders of magnitude, allowing users to select precise resistance values by combining these switches. Its design ensures a broad resistance range with fine resolution, typically from a few ohms to several megaohms. The 240C is known for its stability and minimal drift, achieved through the use of high-quality resistive elements and meticulous construction. The unit is housed in a rugged, durable enclosure, designed to withstand the rigors of frequent use and varying environmental conditions. The intuitive control panel and clear markings facilitate easy adjustment and accurate readings, while the unit’s high precision and reliability make it suitable for critical calibration tasks. The Clarostat 240C is an essential tool for engineers, technicians, and researchers who require reliable and repeatable resistance measurements for testing, calibration, and troubleshooting electronic circuits and components.
Specifications
- Resistance Range: Typically covers from 1 ohm to 11 megohms, allowing for a wide range of resistance values
- Resolution: Fine resolution with incremental steps, usually in units of 1 ohm, 10 ohms, 100 ohms, or similar, depending on the decade
- Accuracy: High accuracy, generally within ±0.1% or better, ensuring precise and reliable measurements
- Decade Switches: Multiple decade switches, including 1 ohm, 10 ohms, 100 ohms, and higher, for easy selection and combination of resistance values
- Construction: Durable design with high-quality resistive elements to minimize drift and ensure long-term stability
- Display: Clearly marked front panel with easy-to-read resistance values for quick and accurate adjustments
- Housing: Sturdy and rugged enclosure, often made from metal or durable plastic, to withstand harsh environments and frequent use
- Connections: Equipped with standard binding posts or terminals for easy connection to test circuits and devices
- Environmental Resistance: Built to perform reliably in various laboratory and field environments, resistant to temperature variations and mechanical stress
- Dimensions: Compact and designed for use on laboratory benches or workstations, suitable for both desktop and portable applications
- Weight: Generally lightweight for ease of handling and transport, without compromising durability
- Maintenance: Low maintenance requirements, with routine calibration checks recommended to ensure ongoing precision
- Compliance: Meets industry standards for precision and reliability in resistance measurement and calibration applications
Laboratory Calibration
Micro Precision operates 36 laboratories globally providing reliable localized support
- Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
- Comprehensive scopes of accreditation to meet a broad range of customer needs
- Expedited calibration services available
- Pickup and delivery services available
- Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.
Laboratory Calibration
Micro Precision operates 36 laboratories globally providing reliable localized support
- Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
- Comprehensive scopes of accreditation to meet a broad range of customer needs
- Expedited calibration services available
- Pickup and delivery services available
- Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.
Quality Certified Test Equipment Repair Services
When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:
- Cost effective; often less than OEM
- Efficient; often much better turn-time than the OEM
- Flexibility; willingness to work with customers to meet their needs
- Warranted repairs
- Ability to service many obsolete instruments
Quality Certified Test Equipment Repair Services
When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:
- Cost effective; often less than OEM
- Efficient; often much better turn-time than the OEM
- Flexibility; willingness to work with customers to meet their needs
- Warranted repairs
- Ability to service many obsolete instruments
Cost Effective Test Equipment Options
From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.
Cost Effective Test Equipment Options
From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.
Our Capabilities
Micro Precision can perform instrument calibration services on equipment from variety of applications for specific industries and lines of business. If you have a calibration need that is not listed in this area, please contact us.
Electrical
Micro Precision accredited electrical calibration lab services with multimeter, multifunction calibrator, oscilloscope, and power supply capabilities.
Optical
Micro Precision accredited optical, light, and fiber optic calibration lab services.
Thermodynamics & Chemical
Micro Precision accredited thermodynamic & chemical calibration lab services with temperature, humidity, life science, and pharma capabilities.
RF - Microwave
Micro Precision accredited RF & microwave calibration lab services.
Mechanical & Dimensional
Micro Precision accredited mechanical and dimensional calibration lab services with pressure, torque, force, flow, velocity, and aircraft jack load capabilities.
Laboratory Standards
Calibration laboratory standards are critical for your organization’s most accurate measurements.
Semiconductor Calibration
Micro Precision utilizes state-of-the-art technology to analyze semiconductor wafer thickness and step height.


