Simpson 401 Insulation Tester
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Description
The Simpson 401 Insulation Tester is a reliable and versatile instrument used to measure the insulation resistance of various electrical systems, equipment, and components. It features a large, easy-to-read analog display that shows the test voltage, resistance, and continuity functions. The tester has a selectable test range of 25VDC, 50VDC, 100VDC, 250VDC, 500VDC, and 1000VDC, allowing it to perform accurate measurements in different conditions. The unit also has a built-in AC/DC voltmeter function that operates up to 600VAC/DC, providing more flexibility for troubleshooting and maintenance tasks. The Simpson 401 Insulation Tester is a robust and compact tool designed to withstand harsh environments and achieve accurate results, making it a valuable addition to any electrician or technician’s toolbox.
Specifications
– Test voltage ranges: 25VDC, 50VDC, 100VDC, 250VDC, 500VDC, and 1000VDC
– Insulation resistance measurement range: Up to a certain maximum value, typically in megaohms or gigaohms
– AC/DC voltmeter function: Operates up to 600VAC/DC
– Test functions: Insulation resistance measurement, continuity testing
– Analog display: Large and easy-to-read display for test voltage, resistance, and continuity functions
– Built-in auto-discharge function: Ensures safe discharge of capacitive circuits after testing
– Robust and durable construction: Designed to withstand harsh environments and heavy use
– Battery-powered: Runs on standard batteries for convenient and portable operation
– Safety features: Overload protection, auto power-off function
– Measurement accuracy: High accuracy for reliable and precise insulation resistance readings
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.


