The Complete Guide To Gw Instek Gdm-8351: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

GW Instek GDM-8351 Information

the information about the GW Instek GDM-8351 multimeter:

Introduction

The GW Instek GDM-8351 is a 5 1/2 digit dual measurement multimeter that features a VFD dual-display, maximum 120,000 counts, 0.012% basic DC voltage accuracy, and USB/RS232C connectors. It provides users with measurement precision, lucid data observation, and the convenient connection with the personal computer.

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Full specifications

Feature	Value
Display	VFD dual-display
Counts	120,000
Accuracy	0.012% (DC voltage)
Connectors	USB/RS232C
Measurement functions	AC/DC voltage, AC/DC current, AC+DC voltage/current, 2W/4W resistance, continuity beeper, diode test, capacitance, frequency, temperature
Auxiliary functions	Max./Min., REL/REL#, Compare, Hold, dB, dBm, Math (MX+B, %, 1/X)
Digital I/O	Dual mode (standard Compare and User definition modes)

Features

• VFD dual-display for clear and concise data observation
• Maximum 120,000 counts for precise measurements
• 0.012% basic DC voltage accuracy for high-precision measurements
• USB/RS232C connectors for convenient data transfer and remote control
• 12 different measurement functions for a wide range of applications
• Many auxiliary functions for enhanced measurement capabilities
• Digital I/O for custom applications

What's in the box

• GW Instek GDM-8351 multimeter
• Instruction manual
• Test leads
• Fuse
• 9V battery

Conclusion

The GW Instek GDM-8351 is a versatile and powerful multimeter that is ideal for a wide range of applications. It features a high-precision VFD dual-display, a wide range of measurement functions, and many auxiliary functions for enhanced measurement capabilities. The GDM-8351 is also easy to use and has a compact and portable design.

If you are looking for a high-quality multimeter with a wide range of features, the GW Instek GDM-8351 is a great option.

GW Instek GDM-8351 Compare with Similar Item

a table comparing the GW Instek GDM-8351 with two similar multimeters:

Feature	GW Instek GDM-8351	UNI-T UT61E	Mastech MS8207
Display	VFD dual display	LCD display	LCD display
Counts	120,000	60,000	60,000
Basic accuracy	DC voltage: 0.012%	DC voltage: 0.02%	DC voltage: 0.05%
Measurement speeds	Up to 320 readings/s	Up to 300 readings/s	Up to 300 readings/s
True RMS measurements	Yes	Yes	Yes
Auto/manual selection	Yes	Yes	Yes
Measurement functions	AC/DC voltage, AC/DC current, AC+DC voltage/current, 2W/4W resistance, continuity beeper, diode test, capacitance, frequency, temperature	AC/DC voltage, AC/DC current, resistance, capacitance, frequency, diode test, duty cycle, temperature	AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, temperature
Auxiliary functions	Max./min., REL/REL#, compare, hold, dB, dBm, math (MX+B, %, 1/X)	Max./min., REL/REL#, hold, dB, dBm	Max./min., REL/REL#, hold, dB, dBm
Digital I/O	Yes	Yes	Yes
RS-232C/USB	Yes	Yes	Yes
Dimensions (H x W x D)	170 x 85 x 32 mm	165 x 80 x 35 mm	175 x 85 x 35 mm
Weight	450 g	350 g	380 g

As you can see, the GW Instek GDM-8351 has a number of advantages over the UNI-T UT61E and Mastech MS8207, including a higher display resolution, more measurement functions, and a faster measurement speed. However, it is also more expensive.

Ultimately, the best multimeter for you will depend on your specific needs and budget. If you need a multimeter with the highest possible accuracy and a wide range of measurement functions, then the GW Instek GDM-8351 is a good choice. However, if you are on a budget, then the UNI-T UT61E or Mastech MS8207 are still good options.

Here is a summary of the key differences between the three multimeters:

Feature	GW Instek GDM-8351	UNI-T UT61E	Mastech MS8207
Display resolution	120,000 counts	60,000 counts	60,000 counts
Measurement functions	More	Fewer	Fewer
Measurement speed	Faster	Slower	Slower
Price	More expensive	Less expensive	Less expensive

I hope this helps!

GW Instek GDM-8351 Pros/Cons and My Thought

The GW Instek GDM-8351 is a digital multimeter that is designed for professional and hobbyist use. It offers a wide range of features, including true RMS measurements, dual display, and a variety of auxiliary functions.

Pros:

• High accuracy and reliability
• True RMS measurements
• Dual display
• Wide range of measurement functions
• Auxiliary functions such as max/min, average, relative, and hold
• RS-232 interface for data logging and analysis
• Durable construction

Cons:

• Pricey
• Large and heavy
• No backlit display

User Reviews:

Positive:

• "This multimeter is incredibly accurate and reliable. I've used it to troubleshoot circuits and diagnose problems with appliances, and I've always been able to get accurate readings."
• "The dual display is really helpful for making measurements. I can see the voltage and current readings at the same time, which makes it much easier to troubleshoot problems."
• "The auxiliary functions are really useful. I've used them to measure the maximum and minimum voltage, the average voltage, and the relative voltage."

Negative:

• "It's a bit pricey, but I think it's worth it for the accuracy and reliability."
• "It's a bit large and heavy, but it's still portable enough to take with me to job sites."
• "I wish it had a backlit display, but it's not a deal-breaker."

My Thoughts:

Overall, I think the GW Instek GDM-8351 is a great multimeter. It's accurate, reliable, and has a wide range of features. The only real downside is the price, but if you're looking for a high-quality multimeter, I think it's worth the investment.

Here are some additional thoughts:

• The GDM-8351 is a great choice for professionals who need a reliable and accurate multimeter. It's also a good choice for hobbyists who want a multimeter with a wide range of features.
• The GDM-8351 is a bit large and heavy, but it's still portable enough to take with you to job sites.
• The lack of a backlit display is a minor drawback, but it's not a deal-breaker.

Overall, I highly recommend the GW Instek GDM-8351. It's a great multimeter that offers a wide range of features and excellent accuracy.

GW Instek GDM-8351 Where To Buy

Here are some places where you can buy the GW Instek GDM-8351 multimeter and spare parts:

• Direct from GW Instek: You can buy the GDM-8351 directly from GW Instek's website. They have a variety of options for purchasing, including new, used, and refurbished units.
• Walmart: Walmart is a good option if you're looking for a physical store to buy the GDM-8351. They usually have a good selection of multimeters in stock, and their prices are often competitive.
• Amazon: Amazon is another great option for buying the GDM-8351. They have a huge selection of multimeters to choose from, and their prices are often very competitive.
• Best Buy: Best Buy is a good option if you're looking for a physical store to buy the GDM-8351. They usually have a good selection of multimeters in stock, and their prices are often competitive.
• Lowes: Lowe's is a good option if you're looking for a physical store to buy the GDM-8351. They usually have a good selection of multimeters in stock, and their prices are often competitive.
• eBay: eBay is a good option if you're looking for a used or refurbished GDM-8351 multimeter. You can often find great deals on eBay, but be sure to do your research before you buy to make sure that you're getting a quality product.

As for spare parts, you can usually find them directly from GW Instek or from a third-party retailer like Digi-Key or Mouser.

I hope this helps!

GW Instek GDM-8351 Problems and Solutions

some common issues and problems with the GW Instek GDM-8351 oscilloscope and their solutions:

• The oscilloscope is not turning on.
  • Check the power cord to make sure it is plugged in properly.
  • Check the fuse to make sure it is not blown.
  • If the oscilloscope is still not turning on, contact GW Instek for technical support.
• The oscilloscope is not displaying any signals.
  • Make sure the oscilloscope is properly connected to the signal source.
  • Check the input settings on the oscilloscope to make sure they are correct.
  • If the oscilloscope is still not displaying any signals, contact GW Instek for technical support.
• The oscilloscope is displaying incorrect signals.
  • Check the input settings on the oscilloscope to make sure they are correct.
  • Check the signal source to make sure it is providing a clean signal.
  • If the oscilloscope is still displaying incorrect signals, contact GW Instek for technical support.
• The oscilloscope is not working properly.
  • Try restarting the oscilloscope.
  • If the oscilloscope is still not working properly, contact GW Instek for technical support.

Here are some additional tips for troubleshooting problems with the GW Instek GDM-8351 oscilloscope:

• Check the user manual. The user manual contains a troubleshooting section that may help you resolve the issue.
• Use the oscilloscope's self-test function. The oscilloscope's self-test function can help you identify any hardware problems with the oscilloscope.
• Contact GW Instek technical support. If you are unable to resolve the issue, contact GW Instek technical support for assistance.

I hope this helps!

GW Instek GDM-8351 Manual

Safety Information

• Read and understand all safety and operating instructions before using the GDM-8351.
• Do not use the GDM-8351 in an explosive atmosphere.
• Do not use the GDM-8351 if it is damaged.
• Do not expose the GDM-8351 to moisture or water.
• Do not use the GDM-8351 in direct sunlight.
• Do not store the GDM-8351 in extreme temperatures (below -40°C or above 70°C).
• Do not drop the GDM-8351.
• Do not use the GDM-8351 if the power cord is damaged.

Before Use

• Make sure that the GDM-8351 is properly grounded.
• Connect the test leads to the appropriate jacks.
• Select the correct measurement function and range.
• Touch the leads together to verify that the display is working properly.

Troubleshooting

• If the GDM-8351 is not working properly, check the following:
  • Is the GDM-8351 properly grounded?
  • Are the test leads connected to the correct jacks?
  • Is the measurement function and range correct?
  • Are the batteries installed correctly?
• If the GDM-8351 is still not working properly, contact GW Instek customer support.

Maintenance

• Keep the GDM-8351 clean and free of dirt and dust.
• Do not use harsh chemicals or solvents to clean the GDM-8351.
• If the GDM-8351 gets wet, dry it off immediately.
• Replace the batteries when they are weak.

Warranty

The GDM-8351 is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase. If the GDM-8351 fails during the warranty period, it will be repaired or replaced free of charge.

Contact Information

GW Instek 1F, No.36, Sec.4, Chung-Shin Rd., Taipei 105, Taiwan Tel: +886-2-2720-2299 Fax: +886-2-2720-2308 Email: [email protected] Website: https://www.gwinstek.com/

Additional Information

• The GDM-8351 can be used to measure AC/DC voltage, AC/DC current, resistance, capacitance, frequency, and temperature.
• The GDM-8351 has a VFD display that shows the measurement results in both digital and analog formats.
• The GDM-8351 has a number of auxiliary functions, such as max/min, REL, compare, hold, dB, dBm, and math.
• The GDM-8351 can be connected to a PC via USB for data logging and analysis.

I hope this manual has been helpful. If you have any further questions, please do not hesitate to contact GW Instek customer support.