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General| Brand | HT |
|---|---|
| Model | JUPITER |
| Category | Measuring Instruments |
| Language | English |
Initial safety checks and guidelines for using the instrument correctly and safely.
Critical instructions and warnings for safe operation and measurement practices.
Procedures for safe shutdown, cleaning, and storage after completing measurements.
Explanation of safety categories (CAT IV, III, II, I) and their implications for measurements.
Explains the difference between average and True RMS measurement for AC quantities.
Defines RMS value and Crest Factor, essential for signal analysis.
Steps to verify the instrument's condition and ensure all components are present before use.
Details on battery type, replacement, and low battery indication.
Guidelines for proper storage to maintain the instrument's performance and accuracy.
Identification of the instrument's physical components, controls, and terminals.
Describes the display's startup screen and identification of firmware version.
Explains the purpose and operation of each function key for instrument control.
Step-by-step guide for accurately measuring DC voltage with the instrument.
Instructions for measuring AC and AC+DC voltage, including frequency analysis.
Procedure for voltage measurement with low impedance to eliminate phantom voltages.
Steps for performing resistance measurements and continuity tests.
Method for checking phase sequence and concordance in three-phase systems.
Measuring overall earth resistance and fault loop impedance without RCD activation.
How to measure line/loop impedance and calculate assumed short-circuit current.
Procedures for testing Residual Current Devices (RCDs) for tripping time and current.
Measuring current using clamp transducers, including inrush current detection.
Detailed instructions for replacing the instrument's batteries safely.
Guidelines for proper cleaning to maintain the instrument's condition.
Information on proper disposal of the instrument and accessories at the end of their service life.
Detailed specifications including measurement ranges, resolutions, and accuracy.
Overall physical dimensions, weight, power, and display characteristics.
Specifies the temperature, humidity, and altitude limits for operation and storage.
Lists optional accessories that can be used with the instrument.
Outlines the terms, conditions, and exclusions of the instrument's warranty.
Provides guidance for seeking technical support and returning the instrument for service.
Explains the theory and purpose behind testing differential switches (RCDs).
Provides theoretical background on measuring earth resistance in TT systems.
Explains the theory of loop impedance and the calculation of short-circuit current.
Discusses the concept of harmonics in voltage and current signals and their analysis.
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