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General| Model | HT9980A |
|---|---|
| Manufacturer | HOPETECH |
| DC Voltage Range | 200mV/2V/20V/200V/1000V |
| Resistance Range | 200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ |
| Diode Test | Yes |
| Continuity Buzzer | Yes |
| Data Hold | Yes |
| Auto Power Off | Yes |
| Power Supply | 9V battery |
| Type | Digital Multimeter |
| DC Current Range | 200μA/2mA/20mA/200mA/10A |
| Capacitance Range | 2nF/20nF/200nF/2μF/20μF |
| Frequency Range | 2kHz/20kHz |
| Display | 3 1/2 digits LCD |
General instructions for safe operation and voltage selection.
Guidelines for maintaining the instrument's safety and performance.
Requirements for the operational environment to ensure safety.
Rules for personnel operating the tester.
Mandatory procedures for safe testing, including lead connection.
Key safety reminders for high-voltage test areas.
Explains the necessity of safety testing for electronic products.
Overview of AC and DC hi-pot testing methods and applications.
Compares the pros and cons of DC testing versus AC testing.
Explains the process and purpose of insulation resistance testing.
Describes the method and importance of ground resistance testing.
Overview of the PV safety testers and their applications.
Detailed parameters for the DC Hi-pot test function.
Detailed parameters for the insulation resistance test function.
Detailed parameters for the ground resistance test function.
Description of the instrument's front panel layout and controls.
Description of the instrument's rear panel layout and connections.
Physical dimensions of the instrument.
General instructions for operating the hi-pot tester.
Step-by-step guide for operating the instrument.
Overview of remote monitoring and control terminal blocks.
Details on wiring and description of remote control output signals.
Instructions for wiring remote control input signals.
Explanation of the automatic discharge circuit's operating principle.
Important precautions regarding the auto-discharge circuit's use and limitations.
Description of parameters displayed after power-on.
Interface for setting DC hi-pot test parameters.
Interface for setting Insulation Resistance test parameters.
Interface for setting Ground Resistance test parameters.
Interface for setting measurement parameters like test mode and limits.
Interface for configuring system settings like communication port and baud rate.
Detailed interface for setting measurement parameters.
Interface for selecting the test mode (DC, IR, GD).
Interface for setting the output voltage for tests.
Interface for setting the upper limit for hi-pot test judgment.
Interface for setting the lower limit for test judgment values.
Interface for setting the rise time for hi-pot tests.
Interface for setting the test duration for hi-pot tests.
Interface for setting the fall time for hi-pot tests.
Interface for setting arc sensitivity in hi-pot tests.
Interface for setting continuous test function and group connection.
Interface for setting upper limit for insulation resistance judgment.
Interface for setting lower limit for insulation resistance judgment.
Interface for setting the measurement range for insulation resistance tests.
Interface for enabling/disabling the upper limit comparator for insulation resistance.
Interface for setting wait time in insulation resistance tests.
Interface for setting the test current for ground resistance tests.
Interface for setting the upper limit for ground resistance judgment.
Interface for setting the lower limit for ground resistance judgment.
Interface for configuring the open circuit alarm for ground resistance tests.
Description of system parameter settings.
Guide to configuring system parameters.
Interface for setting the communication baud rate.
Interface for enabling or disabling key press sounds.
Interface for selecting the display language.
Interface for setting test behavior without a code.
Interface for setting waiting time for code scanning.
Guidelines for regular maintenance of the tester.
Common failures and their troubleshooting methods.
Information on product warranty and quality assurance.
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