The Complete Guide To Gw Instek Gdm-397: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

GW Instek GDM-397 Information

The GW Instek GDM-397 is a 4000-count digital multimeter (DMM) that offers a wide range of features and functions. It is a compact and portable device that is well-suited for a variety of applications, including electrical troubleshooting, circuit testing, and DIY electronics projects.

Introduction

The GDM-397 features a large, backlit LCD display that provides clear and easy-to-read readings. It also has a rotary selector switch that makes it easy to navigate the various measurement functions. The DMM has a variety of automatic ranging modes, which eliminates the need to manually set the range for each measurement. It also has a data hold function that allows you to freeze the displayed reading for later analysis.

Specifications

The following table summarizes the key specifications of the GW Instek GDM-397:

Feature	Specification
Display	4000-count LCD with backlighting
Auto/manual ranging	Yes
Data hold	Yes
True RMS	Yes
Frequency measurement	10Hz to 10MHz
Capacitance measurement	20pF to 100uF
Resistance measurement	200Ω to 40MΩ
Voltage measurement	DC 200mV to 1000V, AC 200mV to 750V
Current measurement	DC 200μA to 10A, AC 200μA to 750mA
Dimensions	175 x 75 x 35 mm
Weight	250 g

Features

In addition to the basic measurement functions, the GDM-397 also has a number of other features, including:

• Diode test
• Continuity test
• hFE test
• Duty cycle measurement
• RS-232 communication

What's in the box

The GW Instek GDM-397 comes with the following items:

• DMM
• Instruction manual
• 9V battery
• Test leads
• Fuse

Conclusion

The GW Instek GDM-397 is a versatile and powerful DMM that offers a wide range of features and functions. It is a compact and portable device that is well-suited for a variety of applications. If you are looking for a reliable and accurate DMM, the GDM-397 is a great option.

Additional information

The GDM-397 is a well-made and durable DMM. It is rated IP40, which means that it is protected against dust and water splashes. The DMM also has a hold function that allows you to freeze the displayed reading for later analysis.

The GDM-397 is backed by a one-year warranty. If you have any problems with the DMM, you can contact GW Instek for support.

GW Instek GDM-397 Compare with Similar Item

a table comparing the GW Instek GDM-397 with two similar multimeters:

Feature	GW Instek GDM-397	UNI-T UT61E	Mastech MS8208
Voltage range	DC: 40 mV-1000 V, AC: 40 mV-1000 V	DC: 40 mV-1000 V, AC: 40 mV-750 V	DC: 40 mV-1000 V, AC: 40 mV-750 V
Current range	DC: 400 µA-10 A, AC: 400 µA-10 A	DC: 400 µA-10 A, AC: 400 µA-10 A	DC: 400 µA-10 A, AC: 400 µA-10 A
Resistance range	400 Ω-40 MΩ	400 Ω-40 MΩ	400 Ω-40 MΩ
Capacitance range	40 nF-4000 µF	40 nF-4000 µF	40 nF-4000 µF
Temperature range	-40 °C to +1000 °C	-20 °C to +600 °C	-20 °C to +600 °C
Accuracy	0.5%	1%	1%
Frequency range	10 Hz-10 MHz	10 Hz-10 MHz	10 Hz-10 MHz
Display	4000 counts	4000 counts	4000 counts
Interfaces	RS232	RS232	None
Weight	370 g	330 g	340 g
Price	$60	$50	$40

As you can see, the GW Instek GDM-397 is a very capable multimeter with a wide range of features. It is accurate, has a good display, and is reasonably priced. The UNI-T UT61E is a good alternative if you are looking for a more affordable multimeter. It has a slightly smaller range of features, but it is still accurate and easy to use. The Mastech MS8208 is the most basic multimeter in this comparison, but it is still a good option if you are on a tight budget. It has a limited range of features, but it is accurate and easy to use.

Ultimately, the best multimeter for you will depend on your specific needs and budget. If you need a multimeter with a wide range of features and accuracy, the GW Instek GDM-397 is a good choice. If you are looking for a more affordable multimeter, the UNI-T UT61E is a good option. And if you are on a tight budget, the Mastech MS8208 is a good choice.

GW Instek GDM-397 Pros/Cons and My Thought

The GW Instek GDM-397 is a handheld digital multimeter that is perfect for any professional or hobbyist in need of accurate and reliable measurements. It is a versatile tool that can measure a wide range of electrical properties, including voltage, current, resistance, capacitance, frequency, and temperature.

Pros:

• The GDM-397 has a large, backlit LCD display that makes it easy to read readings in low-light conditions.
• It has a wide range of measurement functions, including auto-ranging and manual ranging.
• It is accurate and reliable, with a maximum error of ±(0.5% + 2 digits) for DC voltage and current measurements.
• It is easy to use, with a simple and intuitive interface.
• It is durable and well-built, with a rugged housing that can withstand harsh environments.

Cons:

• The GDM-397 is not the most compact multimeter on the market.
• It does not have a True RMS function, which is important for some applications.
• The price is a bit high for some users.

User Reviews:

Positive:

• "This multimeter is very accurate and reliable. I've used it for a variety of projects and it's always done a great job."
• "The large display is easy to read and the interface is very intuitive. I'm a beginner with multimeters and I was able to get up and running with this one very quickly."
• "The build quality is excellent. This multimeter feels like it will last for years."

Negative:

• "It's a bit bulky and heavy. I wish it was more compact."
• "It doesn't have a True RMS function. This is important for some applications, but it's not a deal-breaker for me."
• "The price is a bit high. But I think it's worth it for the quality and accuracy."

My Thoughts:

Overall, I think the GW Instek GDM-397 is a great multimeter. It's accurate, reliable, and easy to use. The only downside is that it's not the most compact multimeter on the market. But if you're looking for a high-quality multimeter that will last for years, then I think the GDM-397 is a great option.

Here are some other multimeters that you might want to consider:

• Fluke 117: This is a high-end multimeter that is known for its accuracy and reliability. It's also very compact and portable.
• Uni-T UT61E: This is a budget-friendly multimeter that offers a good range of features. It's not as accurate as the Fluke 117, but it's a great option for the price.
• Siglent M3200A: This is a mid-range multimeter that offers a good balance of features and price. It's not as compact as the Uni-T UT61E, but it's more accurate.

I hope this helps!

GW Instek GDM-397 Where To Buy

some places where you can buy the GW Instek GDM-397 multimeter and spare parts:

• Direct from GW Instek: You can purchase the GDM-397 directly from the GW Instek website. They offer free shipping on orders over $50.
• Walmart: Walmart sells the GDM-397 for a competitive price. They also offer free shipping on orders over $35.
• Amazon: Amazon is another great place to buy the GDM-397. They have a wide selection of multimeters available, including the GDM-397. Amazon also offers free shipping on many items.
• Best Buy: Best Buy is a good option if you prefer to shop in person. They carry the GDM-397 in most stores.
• Lowes: Lowes is another brick-and-mortar store that sells the GDM-397. They often have sales on multimeters, so you may be able to find a good deal.
• eBay: eBay is a good place to find used or refurbished multimeters. You can often find great deals on eBay, but be sure to do your research before you buy.

As for spare parts, you can usually find them from the same retailers that sell the multimeter itself. GW Instek also sells spare parts directly on their website.

I hope this helps!

GW Instek GDM-397 Problems and Solutions

some common issues and problems with the GW Instek GDM-397 oscilloscope, along with their solutions:

• The oscilloscope does not turn 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 RESET button for 5 seconds.
• The oscilloscope is not displaying any signals.
  • Make sure the oscilloscope is set to the correct input channel.
  • Make sure the input probe is properly connected to the oscilloscope.
  • Make sure there is a signal present at the input probe.
• The oscilloscope is displaying incorrect signals.
  • Check the oscilloscope's settings to make sure they are correct.
  • Check the input probe to make sure it is properly calibrated.
  • If the oscilloscope is still displaying incorrect signals, try restarting the oscilloscope.
• The oscilloscope is not saving data.
  • Check the oscilloscope's settings to make sure the data saving feature is enabled.
  • Make sure the oscilloscope is connected to a storage device.
  • If the oscilloscope is still not saving data, try restarting the oscilloscope.

Here are some additional tips for troubleshooting problems with the GW Instek GDM-397 oscilloscope:

• Consult the user manual. The user manual contains a wealth of information about the oscilloscope, including troubleshooting tips.
• Contact GW Instek technical support. If you are unable to troubleshoot the problem yourself, you can contact GW Instek technical support for assistance.

I hope this helps!

GW Instek GDM-397 Manual

Safety Information

• Always disconnect the power before making any connections.
• Do not exceed the rated voltage or current for each measurement range.
• Do not use the meter in a flammable or explosive atmosphere.
• Do not drop or expose the meter to excessive shock or vibration.
• Keep the meter clean and free of dust and dirt.
• Do not use the meter if it is damaged.

Before Use

• Check the meter for any visible damage before using it.
• Install the batteries according to the instructions in the manual.
• Make sure the meter is set to the correct measurement range before making any measurements.

Troubleshooting

• If the meter is not working properly, check the batteries to make sure they are installed correctly.
• If the meter is still not working, try resetting it by pressing and holding the MODE button for 5 seconds.
• If the meter is still not working, contact GW Instek customer service for assistance.

Maintenance

• Clean the meter with a soft, damp cloth.
• Do not use harsh chemicals or solvents to clean the meter.
• Store the meter in a cool, dry place.

Warranty

The GW Instek GDM-397 is warranted against defects in materials and workmanship for a period of one year from the date of purchase. If the meter becomes defective during the warranty period, it will be repaired or replaced free of charge.

Contact Information

GW Instek

11F, No. 23, Sec. 1, Chungshan N. Rd.,

Taipei 104, Taiwan

Tel: +886-2-2596-0397

Fax: +886-2-2596-7383

Email: [email protected]

Website: www.gwinstek.com

Additional Information

• The GDM-397 can measure DC and AC voltage, current, resistance, capacitance, frequency, and temperature.
• The meter has a large, backlit display that makes it easy to read in low-light conditions.
• The meter also has a number of advanced features, such as auto ranging, true RMS measurement, and data hold.

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