Associated Research 3870 AC Hipot / DC Hipot / Ground Continuity / Insulation Resistance
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Description
The Associated Research 3870 AC Hipot / DC Hipot / Ground Continuity / Insulation Resistance tester is an all-in-one solution designed to address the comprehensive electrical safety testing needs of modern manufacturing and quality assurance environments. This advanced tester integrates four essential testing functions—AC Hipot, DC Hipot, ground continuity, and insulation resistance—into a single, efficient unit. The AC and DC Hipot tests ensure the insulation integrity of electrical components by applying high voltage and detecting any leakage current, thereby verifying that the insulation can withstand operational voltages without failure. The ground continuity test confirms that all conductive parts are properly connected to the ground, which is critical for preventing electric shocks. Additionally, the insulation resistance test measures the resistance of the insulation, providing a quantitative assessment of its effectiveness. The 3870 model is equipped with user-friendly features, such as an intuitive interface and programmable test parameters, which streamline the testing process and enhance accuracy. Its robust safety features, including an interlock system and automatic shutdown on failure detection, protect both operators and equipment. The device also supports comprehensive data logging and connectivity options, ensuring that test results can be easily recorded and analyzed. Furthermore, the 3870 complies with international safety standards, making it suitable for global markets and ensuring that products tested with this equipment meet stringent regulatory requirements.
Specifications
- Voltage Range:
- AC Output Voltage: 0 – 5,000 V AC
- DC Output Voltage: 0 – 6,000 V DC
- Current Range:
- AC Output Current: Up to 40 mA
- DC Output Current: Up to 10 mA
- Accuracy:
- Voltage: ± (1% of setting + 5 V)
- Current: ± (1% of setting + 0.02 mA)
- Test Modes:
- AC Hipot Test
- DC Hipot Test
- Ground Continuity Test
- Insulation Resistance Test
- Output Frequency: 50/60 Hz
- Ramp Time: 0.1 – 999.9 seconds
- Dwell Time: 0.1 – 999.9 seconds
- Memory:
- Storage for up to 100 test setups
- Interface:
- USB, RS-232, and Ethernet for PC connectivity and data logging
- Display:
- High-visibility LCD screen for clear display of test parameters and results
- Safety Features:
- Interlock system for operator safety
- Fail detection and automatic shutdown mechanisms
- Ground Continuity Test:
- Test current: 0.1 – 30 A
- Resistance range: 0 – 510 mΩ
- Insulation Resistance Test:
- Test voltage: 50 – 1,000 V DC
- Resistance range: 0.1 MΩ – 50 GΩ
- Dimensions:
- 17 inches (W) x 5.25 inches (H) x 15.5 inches (D)
- Weight: Approximately 32 lbs (14.5 kg)
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.


