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B&K Precision 394B | TRMS Process Multimeter, 5 Digits

Manufacturer number: BK394B

B&K Precision 394B | TRMS Process Multimeter

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Description

394B | TRMS Process Multimeter, 5 Digits

The 394B process multimeter from B&K Precision is a versatile measuring instrument that combines the functions of a mA loop calibrator with the capabilities of a true RMS digital multimeter. It has been specially developed for the requirements of process control systems and enables the measurement, simulation and output of 0-20 mA and 4-20 mA DC currents.

In addition, the device can be used as a high-quality general multimeter and offers functions for measuring voltage (DC/AC/AC+DC), current, resistance, frequency, continuity and diode test. The robust design with a water and dirt-resistant housing and rubberized protection makes it ideal for use in demanding environments, for example in industrial maintenance, process automation or electronics development.

Outstanding features of the 394B include:

  • True RMS AC and AC+DC measurements for precise results
  • 50.000-count display with dual display for parallel measurements
  • HART mode with integrated 250 Ω resistor for evaluating HART protocols
  • Integrated 24 V loop power supply, no external supply required
  • Ramp and step modes for automatic output current regulation
  • Optically isolated USB interface for remote monitoring and data logging
  • High Frequency Rejection (HFR) for precise AC measurements
  • CAT III 1000 V / CAT IV 600 V protection for safe measurements in high voltage environments

Product features:

  • Display: 50.000 counts
  • Basic accuracy (DCV): ±0.05 %
  • Measurement functions: DCV, ACV, AC+DC, DCI, ACI, resistance, frequency, continuity, diode test
  • True RMS measurements: Yes
  • HART mode: Yes, with 250 Ω resistor
  • Loop power supply: 24 V
  • Current output: 0-20 mA or 4-20 mA (with internal battery or external loop supply)
  • Current output modes: Manual, automatic ramp (fast/slow), 25% steps
  • Voltage ranges: 50 mV to 1000 V
  • Current measurement ranges: 50 mA to 1 A
  • Resistance measurement ranges: 500 Ω to 50 MΩ
  • Frequency measurement: Up to 100 kHz
  • Optically isolated USB interface: Yes
  • Protection category: CAT III 1000 V / CAT IV 600 V
  • Enclosure: Water and dirt resistant with rubberized protection
  • Power supply: 4x 1.5 V AA batteries
  • Battery life: 100 hours
  • Dimensions: 95 mm x 207 mm x 52 mm
  • Weight: 630 g

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About the Manufacturer

B&K Precision

B&K Precision is a renowned manufacturer of electronic test and measurement instruments with more than 75 years of experience, developing precise solutions for research, industry, education, and development. The broad portfolio includes oscilloscopes, DC power supplies, electronic DC loads, digital multimeters, LCR meters, function generators, spectrum analyzers, and frequency counters.

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