B&K PRECISION 391B TRMS Digital Multimeter
The B&K PRECISION 391B is a TRMS digital multimeter from the Standard Feature Multimeters category, offering 40,000 instrument counts. It is rated CAT III 1000V and CAT IV 600V, with a maximum AC voltage measurement…
SKU 3G-OTH-173884
Also listed as: 391 B · 391-B
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Product Description
The B&K PRECISION 391B is a TRMS digital multimeter from the Standard Feature Multimeters category, offering 40,000 instrument counts. It is rated CAT III 1000V and CAT IV 600V, with a maximum AC voltage measurement of 1,000 V. This model does not include a calibration certificate.
Frequently Asked Questions
What is the B&K PRECISION 391B digital multimeter used for?
The B&K PRECISION 391B is a TRMS digital multimeter used for measuring AC/DC voltage, current, and resistance in industrial electrical systems. Its CAT III 1000V and CAT IV 600V safety ratings make it suitable for commercial and light industrial environments, including panel troubleshooting and motor drives.
What are the specifications of the B&K PRECISION 391B multimeter?
The B&K PRECISION 391B is a TRMS digital multimeter with 40,000 instrument counts. It has a maximum AC voltage measurement of 1,000 V and safety ratings of CAT III 1000V and CAT IV 600V. The manufacturer part number is 391B, and it does not include a calibration certificate.
Where to buy the B&K PRECISION 391B multimeter worldwide?
You can source the B&K PRECISION 391B digital multimeter through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this model.
How to select a TRMS digital multimeter like the B&K PRECISION 391B?
When selecting a TRMS digital multimeter such as the B&K PRECISION 391B, consider the required safety category (CAT III 1000V or CAT IV 600V), instrument counts (40,000), and whether a calibration certificate is needed. For accurate AC measurements in non-linear loads, TRMS capability is essential.
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3G Electric supplies B&K PRECISION standard feature multimeters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
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Compatible alternatives & equivalents
- B&K PRECISION Bench digital multimeter with 200,000 counts for high-resolution measurements. Measures AC current up to 10 A. Includes calibration certificate. Suitable for general bench testing and troubleshooting in electronics labs and service centers
- B&K PRECISION LCR Measures capacitance from 10 pF to 1 F, resistance from 0.01 ohm to 100 megaohm, and inductance from 10 mH to 1,000 H. NIST Traceable. Used for component testing in engineering labs, facility maintenance, and quality assurance