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B&K Precision 394B – Process Multimeter

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Original price was: $790.00.Current price is: $634.82.

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Process Multimeter

  • Combines a mA loop calibrator with a full-featured True RMS multimeter in one package
  • Source/Measure/Simulate 0-20 mA and 4-20 mA DC current
  • Simultaneously monitor mA and % of scale
  • Built-in 24 V loop power supply for testing process transmitters without an external supply
  • HART communication protocol mode inserts 250 O resistor in series with loop power output
  • DCV, ACV, AC+DC, DCI, ACI, resistance, frequency, continuity, diode test measurements
  • True RMS AC and AC+DC measurements
  • 50,000-count, dual display
  • dB, dBm, limits, peak-hold, REL (delta), MIN, MAX, average math functions
  • Isolated USB interface with operating software for remote data logging
SKU: B&K Precision 394B EAN: 094308417721 Tags: , Categories:
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Description

B&K Precision 394B

  • Combines a mA loop calibrator with a full-featured True RMS multimeter in one package
  • Source/Measure/Simulate 0-20 mA and 4-20 mA DC current
  • Simultaneously monitor mA and % of scale
  • Built-in 24 V loop power supply for testing process transmitters without an external supply
  • DCV, ACV, AC+DC, DCI, ACI, resistance, frequency, continuity, diode test measurements

Process Multimeter

The 394B Process Multimeter combines the capabilities of a mA loop calibrator with a full-featured True RMS multimeter in one package.

A Dedicated mA loop calibrator function provides technicians and electricians with the tools required for testing and troubleshooting current loop applications in process control systems. Source and simulate industry standard 0-20 mA and 4-20 mA control loops using the adjustable DC current output.

Additionally, the 394B serves as a general-purpose multimeter delivering the performance required for evaluating a wide range of electronics and electrical systems.

Process Multimeter
Current Output Ranges0-20 mA or 4-20 mA, using internal batteries or external loop supply
Current Output Adjustment ModesSlow ramp, fast ramp, 25% step
Loop Power Supply> 24 V
250 Ω HART® Mode✔
General Purpose Multimeter
True RMS ✔ AC, AC+DC voltage and current
Basic DCV Accuracy± 0.05%
Display 5 digit / 50,000 count

Process Multimeter Functions

Dedicated mA loop calibrator functions provide technicians and electricians with the tools required for testing and troubleshooting current loop applications in process control systems. Source and simulate industry standard 0-20 mA and 4-20 mA control loops using the adjustable DC current output. To evaluate process transmitters, the built-in power supply outputs 24 V while measuring the signal drive current displayed in mA and % of scale.

The auto DC current output mode actions are shown in the table below.

Application software

PC software can log measurement data at specified intervals with date and time stamps. Log up to 100,000 data points in graph or table format. Measurement data recorded in the field can be exported using the software for analysis.

Easy to read display

This easy-to-read display helps identify measurement trends or fluctuating signals. When working in low-light environments, the auto on/off backlight adjusts for best visibility while maximizing battery life.

Dual line display capabilities enable two measurements or one measurement and a math function to appear on screen simultaneously.

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High-frequency reject mode

The 390B series is equipped with an AC LPF (low-pass filter) to help reduce unwanted electronic noise when measuring AC voltage or AC frequency. The LPF can improve measurement performance on composite sine waves that are typically generated by inverters and variable frequency drives.

Set up the multimeter to measure AC voltage. Press the HFR button to enable the LPF. The multimeter will continue measuring in the chosen AC mode, but now the signal diverts through a filter that blocks voltages above 800 Hz.

Product Layout

Process / Calibration/Multifunction Calibrators Template

TypeHand Held
Measure VoltageYes
Simulate Loop VoltageYes
Voltage Measurement Max1000 V
Source/Simulate DC CurrentYes
Measure DC CurrentYes
Current Measurement Max1 mA
Measure ResistanceYes
Resistance Measurement Max50 M Ohms (50000000 Ohms)
Source/Simulate FrequencyNo
Measure FrequencyYes
Frequency Measurement Max500 Hz
Measure RTDNo
Measure ThermocouplesNo
Source/Simulate PressureNo
Pressure Modules AvailableNo
FieldBus CompatibleNo
BacklightedYes
Graphical ScreenNo
Intrinsically Safe(Calibrators)No

Product General Attributes

Warranty3 YEARS
Interfaces I/OUSB
Data LoggingYes
Battery TypeAA

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Original price was: $790.00.Current price is: $634.82.

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