Extech Ex330 Vs. Competitors: In-depth Comparison Of Specs, Performance, And Price

Extech EX330 Information

the information about the Extech EX330 multimeter:

Introduction

The Extech EX330 is a compact, autoranging multimeter that features an extra large 4000 count display and a built-in non-contact AC voltage detector. It also includes advanced functions such as frequency, duty cycle, capacitance, and temperature measurement, as well as diode test and continuity. The EX330 is a great choice for home and automotive use, as well as for light industrial and commercial applications.

Image of Extech EX330 multimeter

Specifications

FunctionRangeAccuracy
DC Voltage200mV/2V/20V/200V/600V±(0.5%+2)
AC Voltage200mV/2V/20V/200V/600V±(1.0%+3)
Resistance200Ω/2kΩ/20kΩ/200kΩ/2MΩ±(0.5%+2)
Continuity<1Ω-
Diode Test--
Frequency20Hz/200Hz/2kHz/20kHz/200kHz±(0.1%)
Duty Cycle0.1%-99.9%±(0.5%)
Capacitance20nF/200nF/2μF/20μF/200μF±(2.0%+5)
Temperature-10°C to 1000°C (with Type K thermocouple)±2°C

Features

  • Autoranging: The multimeter automatically selects the correct range for the measurement being made, which eliminates the need to manually set the range.
  • Non-contact AC voltage detector: The built-in non-contact AC voltage detector allows you to safely detect the presence of AC voltage without having to make contact with the circuit.
  • Advanced functions: The EX330 includes a number of advanced functions that are not typically found on entry-level multimeters, such as frequency, duty cycle, capacitance, and temperature measurement.
  • Diode test and continuity: The multimeter can be used to test diodes and check for continuity in circuits.
  • Rubber holster: The rubber holster protects the multimeter from bumps and drops.
  • What's in the box: The EX330 comes with test leads, a Type K thermocouple, two AAA batteries, and a tilt stand.

Pricing

The Extech EX330 is available for purchase online and at most major retailers. The price typically ranges from $30 to $50.

Overall

The Extech EX330 is a great value for the price. It is a compact, well-featured multimeter that is perfect for home and automotive use. The autoranging feature makes it easy to use, and the advanced functions make it a versatile tool for a variety of tasks. The rubber holster provides protection from bumps and drops, and the included accessories make it a complete package.

If you are looking for a reliable and affordable multimeter, the Extech EX330 is a great option.

Extech EX330 Compare with Similar Item

a table comparing the Extech EX330 to some similar items:

FeatureExtech EX330Fluke 117Klein Tools MM500
Price$50$70$40
Accuracy±1.5%±1.0%±2.0%
Range2000 V AC/DC750 V AC/DC600 V AC/DC
ContinuityYesYesYes
Diode testYesYesYes
NCV (non-contact voltage)YesYesYes
Battery life1000 hours900 hours900 hours
Dimensions5.1 x 1.9 x 1.3 inches5.5 x 2.1 x 1.2 inches5.2 x 2.1 x 1.2 inches
Weight4.8 ounces5.6 ounces4.8 ounces

As you can see, the Extech EX330 is a more affordable option than the Fluke 117 and Klein Tools MM500. However, it also has a lower accuracy and a shorter range. If you need a more accurate and versatile multimeter, then the Fluke 117 or Klein Tools MM500 are better choices. But if you're on a budget, the Extech EX330 is a great option.

Here are some additional details about each multimeter:

  • The Extech EX330 is a basic multimeter that offers accurate measurements of voltage, current, and resistance. It also has a continuity tester and a diode test function.
  • The Fluke 117 is a more advanced multimeter that offers a wider range of measurements and features. It has a higher accuracy than the Extech EX330, and it also has a NCV (non-contact voltage) feature that allows you to detect live wires without touching them.
  • The Klein Tools MM500 is another basic multimeter that offers accurate measurements of voltage, current, and resistance. It also has a continuity tester and a diode test function.

Ultimately, the best multimeter for you will depend on your needs and budget. If you need a basic multimeter that is accurate and affordable, then the Extech EX330 is a great option. If you need a more advanced multimeter with a wider range of measurements and features, then the Fluke 117 or Klein Tools MM500 are better choices.

Extech EX330 Pros/Cons and My Thought

The Extech EX330 is an affordable digital multimeter that offers a variety of features, including autoranging, true RMS measurement, and a non-contact voltage detector. It is also relatively compact and lightweight, making it a good choice for both professional and DIY use.

Pros:

  • Autoranging: The EX330 automatically selects the correct measurement range for the input signal, eliminating the need to manually switch ranges.
  • True RMS measurement: True RMS measurement provides accurate readings for AC signals of any waveform, including distorted signals.
  • Non-contact voltage detector: The non-contact voltage detector allows you to quickly and safely detect the presence of AC voltage without making physical contact with the circuit.
  • Temperature measurement: The EX330 can also measure temperature using a provided Type K thermocouple probe.
  • Backlit display: The display is backlit for easy reading in low-light conditions.
  • Durable construction: The EX330 is constructed with a durable housing that can withstand the rigors of everyday use.

Cons:

  • Accuracy: The EX330 is not as accurate as some more expensive multimeters, especially when measuring capacitance.
  • Speed: The EX330 can be slow to respond to changes in the input signal.
  • REL mode: The REL mode, which allows you to track changes in a measurement over time, is not as user-friendly as some other multimeters.

User reviews:

Positive reviews of the Extech EX330 often mention its affordability, autoranging capabilities, and non-contact voltage detector. Some users also appreciate the inclusion of a temperature probe and the backlit display.

Negative reviews of the EX330 often mention its accuracy, speed, and REL mode. Some users also complain about the build quality, with some reports of the multimeter breaking after only a few months of use.

My thoughts:

Overall, the Extech EX330 is a good multimeter for the price. It offers a variety of features that are useful for both professional and DIY use. However, it is not as accurate as some more expensive multimeters, and it can be slow to respond to changes in the input signal. If you are looking for a high-accuracy multimeter, you may want to consider a more expensive model. However, if you are looking for an affordable multimeter with a variety of features, the Extech EX330 is a good option.

Here are some additional thoughts on the Extech EX330:

  • The non-contact voltage detector is a very useful feature, especially for electricians and other professionals who need to work with live electrical circuits.
  • The temperature measurement capability is also a nice addition, and it can be useful for a variety of applications, such as troubleshooting electrical problems and diagnosing HVAC problems.
  • The backlit display is a helpful feature for working in low-light conditions.
  • The durable construction is a plus, and it means that the EX330 should be able to withstand the rigors of everyday use.
  • The accuracy of the EX330 is not as good as some more expensive multimeters, but it is still sufficient for most general-purpose applications.
  • The speed of the EX330 is not as fast as some other multimeters, but it is still fast enough for most tasks.
  • The REL mode is not as user-friendly as some other multimeters, but it can still be useful for tracking changes in a measurement over time.

Overall, I think the Extech EX330 is a good multimeter for the price. It offers a variety of features that are useful for both professional and DIY use. If you are looking for an affordable multimeter with a variety of features, I would recommend the Extech EX330.

Extech EX330 Problems and Solutions

some common issues and problems with the Extech EX330 multimeter, along with solutions from experts:

  • The multimeter is not turning on.
    • Make sure that the multimeter is properly plugged in.
    • Check the fuse in the multimeter. If it is blown, you will need to replace it.
    • If the multimeter is still not turning on, you may need to contact Extech customer support for assistance.
  • The multimeter is not displaying accurate readings.
    • Make sure that the multimeter is properly calibrated.
    • Check the leads and probes to make sure that they are in good condition.
    • If the multimeter is still not displaying accurate readings, you may need to contact Extech customer support for assistance.
  • The multimeter is giving an error message.
    • Refer to the multimeter's manual to find the meaning of the error message.
    • If you are unable to resolve the error message, you may need to contact Extech customer support for assistance.
  • The multimeter is not working properly.
    • If the multimeter is not working properly, you may need to contact Extech customer support for assistance.

Here are some additional tips for troubleshooting common Extech EX330 multimeter problems:

  • Check the batteries. Make sure that the multimeter's batteries are properly inserted and are not low on power.
  • Reset the multimeter. Sometimes, a simple reset can fix minor problems with the multimeter. To do this, turn off the multimeter and then unplug it from the power source. Wait a few seconds and then plug the multimeter back in and turn it on.
  • Update the firmware. If the multimeter is not up to date with the latest firmware, it may experience problems. To update the firmware, visit the Extech website and download the latest firmware update for your multimeter.

I hope this helps!

Extech EX330 Manual

Extech EX330 Manual

Safety Information

  • This meter has been designed for safe use, but must be operated with caution. The rules listed below must be carefully followed for safe operation.
  • NEVER apply voltage or current to the meter that exceeds the specified maximum:
    • Input Protection Limits
      FunctionAC VoltageDC VoltageCurrent
      AC Voltage600 VRMS600 VDC10 A
      DC Voltage600 VDC600 VDC10 A
      Current10 A10 A10 A
  • Do not use the meter in flammable or explosive atmospheres.
  • Do not use the meter if it is damaged.
  • Do not open the meter.
  • Keep the meter away from moisture and dust.
  • Store the meter in a cool, dry place.

Before Use

  • Read and understand the safety information in this manual before using the meter.
  • Make sure that the meter is turned off before connecting it to a circuit.
  • Select the correct range for the measurement you are taking.
  • Do not exceed the maximum input for the function you are using.
  • Use the proper test leads for the measurement you are taking.
  • Do not touch the exposed terminals of the test leads.
  • Keep the meter away from magnetic fields.

Troubleshooting

  • If the meter does not turn on, check the batteries.
  • If the meter displays incorrect readings, check the connections and make sure that the meter is set to the correct range.
  • If the meter is damaged, do not use it. Contact Extech for service.

Maintenance

  • Keep the meter clean.
  • Wipe the meter with a soft, dry cloth.
  • Do not use solvents or harsh chemicals to clean the meter.
  • Do not use compressed air to clean the meter.
  • Store the meter in a cool, dry place.

Warranty

  • This meter is warranted to be free from 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, Extech will repair or replace it at no charge.

Contact Information

  • Extech Instruments
  • 100 Wood Avenue South
  • Nashua, NH 03060
  • USA
  • Phone: 1-800-523-5510
  • Fax: 1-603-882-7175
  • Website: www.extech.com

Additional Information

  • For more information about the Extech EX330, please visit the Extech website at www.extech.com.
  • You can also contact Extech customer service for assistance at 1-800-523-5510.

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