Key facts
- Manuals
- 3
- Languages
- ZH · EN
- Last added
- 2011-12-15
Featured YOI manuals
Good Will Instrument GSP-810 Spectrum Analyzer User Manual
This manual covers safety symbols, grounding requirements, and environmental limits for the GSP-810 spectrum analyzer. It explains how to set up the instrument, connect it to a PC via RS‑232, and use the supplied SDL software for measurement and control.
Technical specifications such as frequency range, resolution, noise floor, power input range, and operating temperature are listed, along with warranty information and compliance declarations for EMC and safety standards. This manual is written in Chinese.
Covers: Safety Information · Instrument Introduction · Technical Specifications · Operation Procedures · Software Interface (SDL) · Communication Settings
YOI GOS-6021/6020 Oscilloscope Operation Manual
This manual introduces the GOS-6021/6020 handheld oscilloscope, covering safety markings, product features, technical specifications, and detailed operating procedures. It explains panel layout, input connectors, trigger modes, cursor measurements, and common measurement applications.
Additional sections cover power‑supply selection, fuse replacement, maintenance, and service instructions for qualified technicians, ensuring safe and reliable operation in a variety of environments. This manual is written in Chinese.
Covers: Product Introduction · Features · Technical Specifications · Safety Precautions · Panel Overview · Operation Methods
Good Will Instrument GDM-8245 Digital Multimeter User Manual
This manual provides safety instructions, product overview, and detailed operating procedures for the GDM-8245 digital multimeter. It includes wiring diagrams, measurement techniques, and maintenance recommendations.
The document also lists technical specifications such as count resolution, voltage and current ranges, accuracy, and special functions like True RMS and dBm measurement.
Covers: Safety Instructions · Product Overview · Operation Instructions · Measurement Guide · Measurement Techniques · General Maintenance
Latest YOI manuals
Good Will Instrument GSP-810 Spectrum Analyzer User Manual
User Manual 40 pages · 578 KB · ZHThe GSP-810 spectrum analyzer user manual provides safety guidelines, specifications, operation instructions, and software interface details.
YOI GOS-6021/6020 Oscilloscope Operation Manual
User Manual 23 pages · 559 KB · ZHThe YOI GOS-6021/6020 Oscilloscope Operation Manual provides safety instructions, specifications, and step‑by‑step usage guidance for this handheld…
Good Will Instrument GDM-8245 Digital Multimeter User Manual
User Manual 12 pages · 483 KB · ENOperating instructions, safety guidelines and specifications for the Good Will Instrument GDM-8245 digital multimeter.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in YOI manuals
What is the warranty period for the GSP-810?
The manufacturer provides a one‑year free repair and parts replacement warranty from the date of shipment.
From: Good Will Instrument GSP-810 Spectrum Analyzer User Manual
What safety precautions are required for powering the GSP-810?
The instrument must be connected to a grounded AC outlet; extension cords without a protective conductor must not be used.
From: Good Will Instrument GSP-810 Spectrum Analyzer User Manual
What is the maximum input voltage for the CHI/CH2 input?
The CHI and CH2 inputs can tolerate up to 400 V (DC + AC peak).
What frequency range can the oscilloscope measure?
It can measure signals from DC up to 2 MHz.
What is the maximum DC voltage the GDM-8245 can measure?
The multimeter can measure up to 1200 V DC.
From: Good Will Instrument GDM-8245 Digital Multimeter User Manual
How many counts does the GDM-8245 have?
It provides a resolution of 50000 counts.
From: Good Will Instrument GDM-8245 Digital Multimeter User Manual