Description
The Bkprecision 391A True Rms Handheld Digital Multimeter is a versatile and reliable tool for electrical measurements. With its true RMS capability, it can accurately measure both AC and DC voltages, currents, resistances, and capacitances. Its handheld design makes it portable and easy to use in various settings, whether it be in a laboratory, workshop, or field work. The multimeter has a large LCD display that provides clear and precise readings, and its auto-ranging function ensures convenience by automatically selecting the appropriate range for the measurement being performed. The Bkprecision 391A is also equipped with a built-in data hold function, allowing users to freeze the displayed reading for further analysis or documentation. Overall, this multimeter is a reliable and efficient tool for any professional or hobbyist in the electrical industry.
Specifications
– Model: BKprecision 391A
– Type: Handheld digital multimeter
– True RMS measurement capability
– DC voltage range: 400mV, 4V, 40V, 400V, 1000V
– AC voltage range: 400mV, 4V, 40V, 400V, 750V
– DC current range: 400μA, 4000μA, 40mA, 400mA, 4A, 10A
– AC current range: 400μA, 4000μA, 40mA, 400mA, 4A, 10A
– Resistance range: 400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ
– Capacitance range: 4nF, 40nF, 400nF, 4μF, 40μF, 400μF, 4000μF
– Frequency range: 40Hz, 400Hz, 4kHz, 40kHz, 400kHz, 4MHz, 40MHz
– Duty cycle range: 0.1% to 99.9%
– Diode test function
– Continuity test function
– Data hold function
– Backlit LCD display
– Auto power-off feature
– Safety rating: CAT III 1000V, CAT IV 600V
– Comes with test leads, battery, and user manual
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.



