Gw Instek Gdm-8351: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options

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/RS232C connectors. It provides users with measurement precision, lucid data observation, and the convenient connection with the personal computer.

Image of GW Instek GDM-8351 multimeter

Specifications

Feature	Specification
Display	VFD dual-display
Counts	Maximum 120,000
Accuracy	DC voltage: 0.012%
Connectors	USB/RS232C
Measurement functions	AC/DC voltage, AC/DC current, AC+DC voltage/current, 2W/4W resistance, frequency, temperature, continuity beeper, diode test, capacitance
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 provides clear and concise data observation.
• Maximum 120,000 counts ensures high measurement precision.
• 0.012% basic DC voltage accuracy provides excellent measurement accuracy.
• USB/RS232C connectors allow for convenient connection with a PC.
• 12 different measurement functions cover a wide range of applications.
• Many auxiliary functions provide flexibility and convenience.

What's in the box

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

The GW Instek GDM-8351 is a versatile and powerful multimeter that is ideal for a wide range of applications. It is a great choice for professionals and hobbyists alike.

Here are some additional features of the GW Instek GDM-8351:

• True RMS measurement for AC and AC+DC signals
• Auto/manual measurement speed selection
• Hold function to freeze the displayed measurement
• Max/Min function to store the maximum and minimum values of a measurement
• REL function to measure the difference between a current measurement and a reference value
• dB/dBm function to measure the signal level in dB or dBm
• Math function to perform mathematical operations on measurement values
• Digital I/O for external control and triggering

The GW Instek GDM-8351 is a well-made and reliable multimeter that is backed by a one-year warranty. It is a great choice for anyone who needs a high-precision and versatile multimeter.

GW Instek GDM-8351 Compare with Similar Item

a comparison of the GW Instek GDM-8351 with two similar multimeters:

Feature	GW Instek GDM-8351	Mastech MS8209	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: 0.015%	DC voltage: 0.015%
Measurement speeds	Selectable, up to 320 readings/s	Selectable, up to 400 readings/s	Selectable, up to 400 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, continuity beeper, duty cycle, temperature	AC/DC voltage, AC/DC current, resistance, capacitance, frequency, diode test, continuity beeper, duty cycle, temperature
Auxiliary functions	Max./min., REL/REL#, compare, hold, dB, dBm, math (MX+B, %, 1/X), digital I/O	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), data hold
Interfaces	USB/RS-232C	USB/RS-232C	USB/RS-232C
Dimensions	185 x 125 x 39 mm	205 x 98 x 40 mm	205 x 98 x 39 mm
Weight	360 g	380 g	350 g
Price	$150	$100	$120

As you can see, the GW Instek GDM-8351 is a more advanced multimeter than the Mastech MS8209 and the UNI-T UT61E. It has a higher display resolution, a wider range of measurement functions, and more auxiliary functions. However, it is also more expensive.

The Mastech MS8209 is a good budget option. It has a lower display resolution and a smaller range of measurement functions than the GW Instek GDM-8351, but it is also much less expensive.

The UNI-T UT61E is another good budget option. It has a similar display resolution and range of measurement functions to the Mastech MS8209, but it is slightly more expensive.

Ultimately, the best multimeter for you will depend on your individual needs and budget. If you need a high-precision multimeter with a wide range of measurement functions, then the GW Instek GDM-8351 is a good choice. If you are on a budget, then the Mastech MS8209 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 has a 120,000-count display, true RMS measurements, and a variety of other functions, making it a versatile tool for a variety of electrical testing applications.

Pros:

• 120,000-count display
• True RMS measurements
• Wide range of functions
• Auto/manual range selection
• Hold function
• Max/min/average readings
• Data logging
• USB connectivity
• RS-232 connectivity
• Compact and lightweight design

Cons:

• Can be expensive
• Not as rugged as some other multimeters
• Menu system can be a bit confusing

User Reviews:

Positive:

• "This is a great multimeter for the price. It has all the features I need for my work, and it's very accurate."
• "The display is very clear and easy to read, and the auto/manual range selection is a great feature."
• "I love the data logging function. It's really helpful for troubleshooting problems."

Negative:

• "The menu system can be a bit confusing at first."
• "It's not as rugged as some other multimeters, so you have to be careful with it."
• "It's a bit expensive, but I think it's worth it for the features."

My Thoughts:

Overall, the GW Instek GDM-8351 is a great multimeter for the price. It has a wide range of features, accurate measurements, and a clear and easy-to-read display. The menu system can be a bit confusing at first, but it's not a deal-breaker. If you're looking for a high-end multimeter that offers a lot of value, the GDM-8351 is a great option.

Here are some additional thoughts on the GDM-8351:

• The true RMS measurements are a big plus, especially for AC measurements.
• The data logging function is very useful for troubleshooting problems.
• The USB connectivity makes it easy to transfer data to a computer.
• The RS-232 connectivity is a nice bonus for those who need to connect the multimeter to a PC.

Overall, I think the GW Instek GDM-8351 is a great multimeter. It's accurate, versatile, and easy to use. If you're looking for a high-end multimeter, I would definitely recommend it.

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 purchase the GDM-8351 directly from the GW Instek website. They offer a variety of shipping options and a 1-year warranty.
• Walmart: Walmart is a good option if you're looking for a physical store to buy the GDM-8351. They typically 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 wide selection of multimeters available, and their prices are often very competitive. You can also find used and refurbished multimeters on Amazon, which can be a great way to save money.
• Best Buy: Best Buy is a good option if you're looking for a physical store to buy the GDM-8351. They typically have a good selection of multimeters in stock, and their prices are often competitive.
• Lowes: Lowes is another good option if you're looking for a physical store to buy the GDM-8351. They typically 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 GW Instek GDM-8351. You can often find multimeters on eBay for a fraction of the original price.

As for spare parts, you can typically find them on the GW Instek website or from authorized distributors.

I hope this helps!

GW Instek GDM-8351 Problems and Solutions

some common issues and solutions for the GW Instek GDM-8351 oscilloscope, as reported by experts:

• No display: Check that the oscilloscope is turned on and that the power cord is properly plugged in. Also make sure that the correct input channel is selected. If the oscilloscope is still not displaying, try resetting it by pressing the Reset button.
• Cursors do not move: Make sure that the cursors are enabled. You can do this by pressing the Cursor button and then selecting the Enable option. If the cursors are still not moving, try adjusting the cursor speed.
• Traces are not stable: Check that the oscilloscope is properly grounded. You can also try adjusting the trigger level and slope. If the traces are still not stable, try increasing the sample rate.
• Noisy traces: Check that the oscilloscope is in a quiet environment. You can also try using a different input cable. If the traces are still noisy, try adjusting the input attenuation.

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

• Refer to the oscilloscope's manual for specific troubleshooting instructions.
• Contact GW Instek technical support for assistance.
• Search for online forums or communities where other users have reported similar issues.

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 GDM-8351 in a hazardous environment, such as an area where there is flammable gas or liquid.
• Do not use the GDM-8351 if it is damaged.
• Do not expose the GDM-8351 to water or other liquids.
• Do not use the GDM-8351 in a dusty or dirty environment.
• Do not use the GDM-8351 if the power cord is damaged.
• Do not open the GDM-8351. There are no user-serviceable parts inside.

Before Use

• Make sure that the voltage of the power source matches the voltage rating of the GDM-8351.
• Connect the ground lead of the GDM-8351 to a properly grounded outlet.
• Select the correct measurement range for the measurement you are performing.
• Do not exceed the maximum current or voltage rating of the GDM-8351.

Troubleshooting

• If the GDM-8351 does not turn on, check the power cord and the power source.
• If the display is blank, check the batteries.
• If the readings are inaccurate, check the measurement range and the connections.
• If the GDM-8351 is not functioning properly, contact GW Instek for assistance.

Maintenance

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

Warranty

The GDM-8351 is warranted against 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.21, Sec. 4, Jhonghe Rd., Hsinchu Science Park, Hsinchu 30077, Taiwan Tel: +886-3-578-1111 Fax: +886-3-578-1199 Email: [email protected] Website: www.gwinstek.com

Additional Information

• The GDM-8351 can be used to measure AC and DC voltage, current, resistance, capacitance, frequency, and temperature.
• The GDM-8351 has a maximum display of 120,000 counts and a basic accuracy of 0.012%.
• The GDM-8351 can be connected to a computer via a USB cable.
• The GDM-8351 comes with a one-year warranty.

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