Related Manuals for Brymen BM231
Summarization of Contents
Safety and Warnings
Terms in this manual
Defines critical warning and caution terms used throughout the manual.
General Safety Warnings
Warning to reduce risk of fire or electric shock by avoiding rain or moisture.
Voltage Measurement Precautions
Caution to disconnect test leads before changing functions to prevent damage.
International Electrical Symbols
Measurement Categories Information
Explains measurement categories (CAT IV, III, II) and their application to circuit testing.
Product Overview and Components
LCD Display and Buttons
Details the multimeter's display specifications and purpose of push-buttons.
Rotary Selector Function
Explains how to use the rotary selector to power the meter on/off and choose measurement functions.
Input Jacks
Identifies the input jacks for current, common, and other measurement functions.
True RMS and Crest Factor
Harmonics Impact
Lists potential issues caused by harmonics, such as overheating and fuse blowing.
Crest Factor Definition
Defines Crest Factor as the ratio of peak to RMS value, relevant for waveform analysis.
Operation
Voltage Measurement Verification
Caution to verify meter function on a known source before and after hazardous voltage measurements.
AutoV (LoZ) Mode
Ghost-Voltage Buster Explanation
Explains ghost voltages and how the AutoV mode helps in draining them for accurate readings.
AutoV Mode Feature Limitations
Notes that only HOLD, EF, and Backlight features are available in AutoV mode.
ACV, DCV, and VFD-ACV Functions
Function Selection
Details how to select ACV, DCV, and VFD-ACV functions using the SELECT button.
VFD-ACV and Hz Features
Explains VFD-ACV and Hz capabilities, including the use of DSP for noisy environments.
Line Frequency Measurement
Hz Function Operation Notes
Provides notes on Hz function sensitivity, trigger voltage, and avoiding electrical noise.
Resistance and Continuity Testing
BeepLit™ Continuity Feature
Describes the BeepLit™ continuity feature, including audible and visual indicators for complete wires.
Resistance/Continuity Safety Caution
Caution against using resistance and continuity functions in live circuits to prevent damage.
Capacitance and Diode Testing
Diode Test Interpretation
Explains how to interpret diode test results, including forward voltage drops and reverse bias readings.
Capacitor Discharge Caution
Caution to discharge capacitors before measurement to prevent damage or inaccurate readings.
ACmV, DCmV, and Temperature Measurement
Temperature Probe Usage Notes
Provides important notes on using the correct temperature probes and adapters for accurate measurements.
A, mA and A Current Measurement
Flame Sensor Application Notes
Provides application notes for using the DC A function in HVAC/R flame sensor applications.
Electric Field EF-Detection
Non-Contact EF-Detection Method
Describes the non-contact method of EF detection using the meter's antenna.
Probe-Contact EF-Detection Method
Explains probe-contact EF detection for more precise readings and distinguishing between live/ground.
Measurement Modes and Features
MAX/MIN/AVG Recordmode Operation
Explains how to activate and use the MAX/MIN/AVG recording mode for capturing peak and average values.
Backlighted LCD Display
Details how to activate and use the backlighted LCD display for improved visibility.
Hold Feature
Explains the Hold feature to freeze the display for later viewing.
Relative Zero (Δ) Mode
Describes the Relative Zero mode for offsetting measurements against a reference value.
5) MAINTENANCE
Maintenance Safety Warning
Warning to disconnect power and remove leads before opening the meter case for maintenance.
Cleaning and Storage Guidelines
Provides instructions for cleaning and storing the multimeter to ensure its longevity.
Trouble Shooting
Battery and Fuse Replacement
Explains the step-by-step procedure for replacing the batteries and fuses in the multimeter.
Safety and Compliance Specifications
Electrical Specifications Overview
Introduces the section detailing the electrical specifications and accuracy of the multimeter.
Special Features List
Lists additional special features of the multimeter, such as AutoV and VFD.
Included and Optional Accessories
Lists the accessories that come with the meter and those available for purchase.
AC Voltage Measurement Accuracy
ACmV Accuracy Specifications
Details the accuracy specifications for AC millivolt measurements across different frequency ranges.
VFD ACV Accuracy
Specifies the accuracy for Variable Frequency Drives (VFD) AC voltage measurements.
AutoV ACV and DC Voltage Accuracy
AutoV ACV Input Impedance
Provides details on the input impedance characteristics for AutoV ACV measurements.
DC Voltage Accuracy
Lists the accuracy specifications for DC voltage measurements across various ranges.
AutoV DCV Input Impedance
Provides details on the input impedance characteristics for AutoV DCV measurements.
Ohm and Capacitance Measurement
Ohm Measurement Specifications
Details the specifications for resistance measurements, including open circuit voltage and test current.
Capacitance Measurement Accuracy
Lists the accuracy specifications for capacitance measurements across different ranges.
Diode Tester and Current Measurement
Diode Tester Specifications
Details the specifications for the diode tester function, including test current and open circuit voltage.
DC and AC Current Accuracy
Provides accuracy specifications for both DC and AC current measurements.
Temperature Measurement Accuracy
Lists the accuracy specifications for temperature measurements in Celsius and Fahrenheit.
Line Frequency and EF-Detection Specifications
Line Frequency Sensitivity and Range
Details the sensitivity and range specifications for line frequency measurements.
EF-Detection Sensitivity and Indication
Explains the sensitivity and indication methods for Electric Field (EF) detection.
Limited Warranty Information
Warranty Terms and Conditions
Outlines the terms of the manufacturer's limited warranty for product defects.
Obtaining Warranty Service
Provides instructions on how to obtain warranty service from the manufacturer.
Warranty Exclusions and Liability
Details warranty exclusions, limitations on implied warranties, and liability for damages.
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