Gw Instek Gdm-8351: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy

GW Instek GDM-8351 Information

The GW Instek GDM-8351 is a 5 1/2-digit dual measurement multimeter with a VFD display, maximum 120,000 counts, 0.012% basic DC voltage accuracy, and USB/RS-232C connectors. It offers a wide range of measurement functions, including AC/DC voltage, AC/DC current, AC+DC voltage/current, 2W/4W resistance, frequency, temperature, continuity beeper, diode test, and capacitance. It also features a number of auxiliary functions, such as Max./Min., REL/REL#, Compare, Hold, dB, dBm, Math (MX+B, %, 1/X), and Digital I/O.

Image of GW Instek GDM-8351 multimeter

Specifications

Feature	Spec
Display	VFD dual-display
Counts	120,000
Basic DC voltage accuracy	0.012%
Measurement speeds	Up to 320 readings/s
True RMS (AC, AC+DC) measurements	Yes
Auto/manual selection	Yes
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)
Interfaces	USB, RS-232C
Dimensions	220 x 147 x 70 mm
Weight	600 g

Features

• VFD dual-display for clear and easy data observation
• 0.012% basic DC voltage accuracy for high measurement precision
• Up to 320 readings/s for fast measurement speed
• True RMS (AC, AC+DC) measurements for accurate measurements of non-sinusoidal waveforms
• Auto/manual selection for flexible measurement
• Wide range of measurement functions to meet a variety of needs
• A number of auxiliary functions for enhanced measurement flexibility
• USB and RS-232C interfaces for easy data transfer and remote control

What's in the box

• GDM-8351 multimeter
• Instruction manual
• Test leads
• 9V battery
• Carrying case

The GW Instek GDM-8351 is a powerful and versatile multimeter that is ideal for a wide range of applications. It offers high measurement accuracy, fast measurement speed, and a wide range of measurement functions. It is also easy to use and has a number of auxiliary functions for enhanced measurement flexibility. If you are looking for a high-quality multimeter, 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	Mastech MS8208	UNI-T UT61E
Display	VFD dual-display	LCD dual-display	LCD dual-display
Counts	120,000	60,000	60,000
Basic accuracy	DC voltage: 0.012%	DC voltage: 0.008%	DC voltage: 0.01%
Max. measurement speed	320 readings/s	250 readings/s	250 readings/s
True RMS	Yes	Yes	Yes
Auto/manual	Yes	Yes	Yes
Measurement functions	12	12	12
Auxiliary functions	Max./min., REL/REL#, compare, hold, dB, dBm, math (MX+B, %, 1/X)	Max./min., REL/REL#, compare, hold, dB, dBm, math (MX+B, %, 1/X)	Max./min., REL/REL#, compare, hold, dB, dBm, math (MX+B, %, 1/X)
Digital I/O	Dual mode (standard Compare and User definition modes)	Dual mode (standard Compare and User definition modes)	Dual mode (standard Compare and User definition modes)
Interfaces	USB/RS232C	USB/RS232C	USB/RS232C
Dimensions	175 x 100 x 45 mm	180 x 100 x 45 mm	145 x 90 x 40 mm
Weight	450 g	390 g	360 g
Price	$160	$130	$120

As you can see, the GW Instek GDM-8351 is a very capable multimeter with a wide range of features. It has a high basic accuracy, a fast measurement speed, and a variety of auxiliary functions. It is also relatively affordable.

The Mastech MS8208 is a good alternative if you are looking for a multimeter with a slightly lower basic accuracy and a lower measurement speed. However, it is also less expensive than the GDM-8351.

The UNI-T UT61E is the most affordable multimeter in this comparison. It has a lower basic accuracy and a lower measurement speed than the other two multimeters, but it still offers a good range of features.

Ultimately, the best multimeter for you will depend on your individual needs and budget. If you need a high-accuracy multimeter with a fast measurement speed, then the GW Instek GDM-8351 is a good choice. If you are looking for a more affordable multimeter, then the Mastech MS8208 or the UNI-T UT61E are good options.

GW Instek GDM-8351 Pros/Cons and My Thought

The GW Instek GDM-8351 is a high-end digital multimeter that offers a wide range of features and performance. It features a large, dual-display that can show two measurements simultaneously, as well as a true RMS measurement mode that provides accurate readings even for non-sinusoidal waveforms. The GDM-8351 also has a number of other features, including a data hold function, a peak hold function, and a relative measurement mode.

Here is a summary of the pros and cons of the GW Instek GDM-8351:

Pros:

• Large, dual-display
• True RMS measurement mode
• Data hold function
• Peak hold function
• Relative measurement mode
• RS-232 interface
• LabVIEW and Excel drivers

Cons:

• Pricey
• Not as portable as some other multimeters
• No Bluetooth or WiFi connectivity

Here are some user reviews of the GW Instek GDM-8351:

Positive reviews:

• "This multimeter is amazing! It's so accurate and easy to use."
• "I love the dual-display and the data hold function. They're really helpful when I'm troubleshooting circuits."
• "The RS-232 interface is great for logging data and sharing measurements with others."

Negative reviews:

• "It's a bit pricey, but it's worth it for the features."
• "It's not as portable as some other multimeters, but it's not too heavy."
• "I wish it had Bluetooth or WiFi connectivity."

Overall, the GW Instek GDM-8351 is a great multimeter for professionals who need a high-accuracy, feature-rich tool. It's not the most portable multimeter on the market, but it's worth the extra weight for the features it offers.

My thoughts:

I think the GW Instek GDM-8351 is a great multimeter. It's accurate, versatile, and easy to use. The dual-display is a great feature, and the data hold and peak hold functions are really helpful. I also like the RS-232 interface, which makes it easy to log data and share measurements with others.

The only downside to the GDM-8351 is its price. It's definitely not a budget multimeter, but I think it's worth the investment for professionals who need a high-accuracy, feature-rich tool.

If you're looking for a multimeter that offers the best of both worlds in terms of accuracy and features, then I highly recommend the GW Instek GDM-8351. It's a bit pricey, but it's worth it for the quality and performance you get.

GW Instek GDM-8351 Where To Buy

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

• Direct from GW Instek: You can buy the GDM-8351 directly from the GW Instek website. They have a variety of spare parts available as well.
• Amazon: Amazon is a great place to buy electronics, and they often have competitive prices on the GDM-8351. You can also find spare parts on Amazon.
• Walmart: Walmart is another good option for buying electronics. They usually have a wide selection of multimeters, and they often have sales.
• Best Buy: Best Buy is a good option if you want to buy the GDM-8351 in person. They have a good selection of multimeters, and they usually have knowledgeable staff who can help you choose the right one.
• Lowes: Lowes is a good option if you want to buy the GDM-8351 at a home improvement store. They usually have a good selection of multimeters, and they often have competitive prices.
• eBay: eBay is a good option if you're looking for a good deal on the GDM-8351. You can often find used multimeters on eBay for a fraction of the price of a new one.

I hope this helps!

GW Instek GDM-8351 Problems and Solutions

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

• The oscilloscope is not turning on.
  • Check the power cord to make sure it is plugged in properly.
  • Make sure the power switch is turned on.
  • If the oscilloscope is still not turning on, try resetting it by pressing and holding the power button for 10 seconds.
• The oscilloscope is not displaying any signals.
  • Make sure the oscilloscope is connected to a signal source.
  • Check the input channels to make sure they are properly selected.
  • Adjust the vertical and horizontal controls to see if you can get a signal displayed.
• The oscilloscope is displaying incorrect signals.
  • Check the input connections to make sure they are properly made.
  • Check the oscilloscope settings to make sure they are correct.
  • If you are still having problems, try calibrating the oscilloscope.

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

• Refer to the oscilloscope's manual for specific troubleshooting instructions.
• Contact GW Instek customer support for assistance.
• Search for online forums and communities where other users of the oscilloscope have posted solutions to common problems.

I hope this helps!

GW Instek GDM-8351 Manual

Safety Information

• Read and understand all safety instructions before using the GDM-8351.
• Do not use the instrument in a hazardous environment, such as an area with flammable or explosive gases.
• Do not use the instrument if it is damaged or has been dropped.
• Do not use the instrument if the insulation of the test leads is damaged.
• Do not connect the test leads to a voltage source that exceeds the maximum rating of the instrument.
• Do not connect the test leads to a circuit that is carrying current.
• Do not use the instrument in a wet or humid environment.
• Do not expose the instrument to direct sunlight or extreme temperatures.
• Keep the instrument out of the reach of children.

Before Use

• Make sure that the instrument is properly grounded before using it.
• Select the correct range for the measurement you are performing.
• Connect the test leads to the appropriate terminals.
• Do not exceed the maximum rating of the instrument.

Troubleshooting

• If the instrument is not working properly, check the following:
  • Are the test leads connected properly?
  • Is the instrument properly grounded?
  • Is the range set correctly?
  • Is the battery low?
• If the instrument is still not working properly, contact GW Instek for assistance.

Maintenance

• Keep the instrument clean and free of dust.
• Do not use harsh chemicals or solvents to clean the instrument.
• If the instrument gets wet, dry it off immediately.
• Replace the battery when the low battery indicator appears.

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 instrument fails during the warranty period, it will be repaired or replaced, at GW Instek's option.

Contact Information

GW Instek 10F, No. 181, Sec. 2, Chengde Rd., Taipei 110, Taiwan Tel: +886-2-2755-2699 Fax: +886-2-2755-2666 Email: [email protected] Website: www.gwinstek.com

Additional Information

• The GDM-8351 is a dual measurement multimeter that can measure AC/DC voltage, AC/DC current, resistance, capacitance, frequency, and temperature.
• The instrument has a VFD display that provides clear and accurate readings.
• The GDM-8351 also has a number of auxiliary functions, such as max/min, hold, and dBm.
• The instrument is powered by a 9V battery.
• The GDM-8351 comes with a carrying case, test leads, and a user manual.

I hope this manual has been helpful. Please contact GW Instek if you have any further questions.