Clarostat 240-C Resistor Decade Box
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Description
The Clarostat 240-C Resistor Decade Box is a versatile and reliable tool designed for precise resistance measurements and calibration in electrical circuits. This high-quality decade box is widely used in laboratories, R&D environments, and educational settings for applications that require accurate and adjustable resistance. With its robust construction, the Clarostat 240-C ensures durability and long-term performance, making it an essential piece of equipment for technicians, engineers, and educators alike. The box offers a wide range of selectable resistances, adjustable in steps, allowing users to quickly and efficiently set the desired resistance values. Its clear, easy-to-read dial markings enable precise adjustments, while the low temperature coefficient ensures stability and accuracy even under varying environmental conditions. The 240-C model is known for its high precision, with tight tolerance levels that make it ideal for circuit design, troubleshooting, and calibration tasks. The compact and portable design allows it to be easily integrated into any workspace, making it convenient for both field and bench use.
Specifications
- Resistance Range: 1 ohm to 111.11 kOhms
- Number of Decades: 6
- Step Increments: 1 ohm, 10 ohms, 100 ohms, 1 kOhm, 10 kOhms, 100 kOhms
- Tolerance: ±1%
- Power Rating: 1 Watt per resistor
- Maximum Voltage: 500 V DC/AC
- Temperature Coefficient: Low, ensuring minimal resistance drift
- Dial Type: Rotary switches with clear labeling for each decade
- Construction: Durable metal housing with high-quality resistors
- Connections: Standard binding posts for easy circuit integration
- Dimensions: Compact and portable design, approximately 260 x 100 x 120 mm
- Weight: Approximately 1.5 kg (3.3 lbs)
- Applications: Ideal for circuit design, calibration, testing, and troubleshooting in educational, R&D, and industrial environments
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.


