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General| Type | Digital Multimeter |
|---|---|
| Display Type | LCD |
| Temperature Range | -40 °C to 1000 °C |
| Diode Test | Yes |
| Continuity Test | Yes |
| True RMS | Yes |
| Data Logging | Yes |
| Operating Temperature | 0 °C to 50 °C |
| Storage Temperature | -20 °C to 60 °C |
| Temperature Measurement | Thermocouple (Type K) |
| Basic AC Voltage Accuracy | 0.5 % + 3 |
| Basic DC Current Accuracy | 0.1 % + 2 |
| Basic Capacitance Accuracy | 1% + 5 digits |
| Connectivity | USB |
| Interface | USB |
| Power Supply | Battery |
| Safety Category | CAT III 1000 V, CAT IV 600 V |
| Safety Standards | IEC 61010-1 |
Details on the structure and content of the user's guide, including documentation map and safety notes.
Instructions on how to check the shipment, install batteries, and prepare the multimeter for first-time use.
Procedure for powering on the multimeter and understanding the initial startup display.
Explanation of autoranging and manual ranging options for measurement accuracy and performance.
Information on voltage alerts, hazardous voltage indication, and input warnings to ensure safe operation.
Overview of the multimeter's physical dimensions and key components like front and rear panels.
Detailed description of each rotary switch position for U1271A and U1272A models.
Explanation of the functions associated with each key on the multimeter's keypad.
Details on terminal connections for different measurement functions and safety precautions.
Guide to performing true RMS AC voltage measurements, including setup and probing techniques.
Instructions for measuring DC voltage, including polarity indication and setup.
Procedure for measuring resistance, including understanding the test current and lead resistance.
How to perform continuity tests using the beeper and backlight alerts for quick checks.
Steps for testing diodes, transistors, and SCRs, including forward and reverse bias checks.
Method for measuring capacitance by charging and measuring voltage, with notes on accuracy.
Instructions for using the thermocouple probe to measure temperature accurately.
Guide to safely measuring AC or DC current by placing the multimeter in series with the circuit.
Overview of using the multimeter to simultaneously monitor frequency with other measurements.
How to activate relative mode to subtract a stored value for increased measurement accuracy.
Utilizing MaxMin operation to store and view highest, lowest, and average values during measurements.
Using manual, interval, or event logging to record test data for future review or analysis.
Navigating and modifying nonvolatile preset features to customize multimeter operation.
A comprehensive table summarizing all setup menu items and their available settings.
Configuring AC low pass filter or DC filter options to reduce noise or block AC signals.
Setting the voltage alert threshold that triggers periodic beeping when exceeded.
Restoring all multimeter setup options to their factory default values.
Details on power supply, consumption, fuses, display, input impedance, environment, and safety compliance.
Comprehensive DC, AC, AC+DC, Capacitance, Temperature, Frequency, and Duty Cycle specifications.
Specifications for frequency measurements, including range, resolution, accuracy, and minimum input frequency.
Table detailing default and shift functions for the U1271A model based on rotary switch position.
Table detailing default and shift functions for the U1272A model based on rotary switch position.
Table listing primary and secondary display functions when the Dual key is pressed for the U1271A.
Table listing primary and secondary display functions when the Dual key is pressed for the U1272A.
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