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B&K PRECISION Digital Multimeter: TRMS, CAT III 1000V/CAT IV 600V - Standard Feature Multimeters
B&K PRECISIONStandard Feature Multimeters

B&K PRECISION Digital Multimeter: TRMS, CAT III 1000V/CAT IV 600V

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

Brand
B&K PRECISION
Item
Digital Multimeter: TRMS, CAT III 1000V/CAT IV 600V
Category
Standard Feature Multimeters
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

B&K PRECISION
Manufacturer Part Number
391B
Type
CAT III 1000V/CAT IV 600V
Instrument Counts
40,000
Max AC Volt Measurement
1,000 V
Calibration Certificate Included
Not Included

Technical Documents

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B&K PRECISION Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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.

Used in

Common applications for B&K PRECISION
R&D lab testing — B&K Precision 4040B sweep function generator for signal injection and frequency response analysis
Production line quality control — B&K Precision 2567B digital oscilloscope for waveform verification and FFT analysis
Field service data logging — B&K Precision DAS240-BAT portable data recorder with 20-channel module for multi-sensor monitoring
Power supply testing — B&K Precision DC electronic loads for load regulation and efficiency measurements
Educational electronics training — B&K Precision benchtop oscilloscopes and signal generators for student lab exercises
Automated test systems — B&K Precision rack-mounted power supplies with DRRM3U1 kit for integrated test racks

B&K PRECISION Products

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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