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General| Brand | Gossen MetraWatt |
|---|---|
| Model | PROFITEST INTRO |
| Category | Test Equipment |
| Language | English |
Displays measurement results, status, and menus.
Context-sensitive keys for parameter selection and functions.
Dedicated keys for specific instrument functions like ESC, MEM, HELP.
Main dial for selecting measurement functions and modes.
Status lights for mains connection, limits, and measurement feedback.
Details on test probes, remote control, and connection assignments.
Summarizes all supported measurement types and their ranges.
Basic safety rules for instrument operation and maintenance.
Outlines the instrument's compliance with standards and suitability for tests.
Lists the main measurement and testing capabilities.
Step-by-step guide for inserting or changing the battery pack.
How to switch the test instrument on and off.
Instructions for charging the rechargeable battery pack using the charger.
How to measure and set offset values for resistance measurements.
Instructions for connecting the tester to electrical systems.
How measured values are shown and stored in the instrument.
Procedures for verifying correct connection of earthing sockets.
Methods for measuring touch voltage and factors causing measurement abortion.
Example of how to set parameters and limit values for RCD testing.
How to freely select parameters and limit values beyond predefined options.
Using fast or semiautomatic polarity reversal in 2-pole measurements.
Measuring voltage and frequency in single-phase systems using different adapters.
Performing voltage measurements with a 2-pole connection and country-specific adapters.
Measuring line-to-line voltage and determining phase sequence in 3-phase systems.
Introduction to RCD testing, including methods and waveform types.
Measuring touch voltage using 1/3 nominal current without triggering the RCD.
Performing tripping tests with nominal residual current and setting parameters.
Method for measuring touch voltage without RCD activation.
Performing tripping tests and understanding touch voltage limit values.
Testing RCDs with increasing AC residual current for various types.
Specific procedures for testing Type B/B+ RCDs with rising residual current.
Procedure for testing RCCBs with 5 times nominal current.
Testing RCCBs with pulsating DC current and no-trip tests.
How to test selective RCDs (Type S) and their parameters.
Testing PRCD-K elements, including terminology and objectives.
Procedures for testing SRCD and PRCD-S devices.
Testing special Type G or R RCCBs with specific parameters.
How to measure loop impedance and determine short-circuit current.
Using bias magnetization to suppress RCD tripping during loop impedance tests.
Performing loop impedance tests with RCD tripping suppression.
How to compensate for measurement cable resistance.
How to interpret measured values and determine allowable limits.
Setting parameters for calculating short-circuit current.
Method for measuring line impedance and connection types.
Compensating for cable resistance in line impedance measurements.
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