Metrel Md 9040: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options
Metrel MD 9040 Information
The Metrel MD 9040 is a TRMS digital multimeter that is designed for industrial applications. It features a CAT IV / 1000 V overvoltage category and TRMS measurement of AC current and voltage, making it particularly suitable for performing measurements on power supply sources in the most demanding applications.
The MD 9040 has a high accuracy, 2-line LCD display, diverse measurement functions, fast one-handed operation, and an outstanding value for money. It is a versatile tool that can be used for a wide range of applications, including:
- Electrical testing
- Electronic fault finding
- Field servicing
- Heavy duty electrical testing
Introduction
The Metrel MD 9040 is a high-performance digital multimeter that is designed for industrial applications. It features a wide range of measurement functions, including:
- AC/DC voltage
- AC/DC current
- Resistance
- Capacitance
- Diode test
- Frequency
- Continuity
The MD 9040 also has a number of advanced features, such as:
- TRMS measurement
- CAT IV / 1000 V overvoltage protection
- Auto-ranging
- Data hold
- Relative zero mode
- PC Link
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Specifications
The Metrel MD 9040 has the following specifications:
| Measurement | Accuracy | Range |
|---|---|---|
| AC voltage | ±0.05% | 200 mV to 1000 V |
| DC voltage | ±0.02% | 200 mV to 1000 V |
| AC current | ±0.2% | 20 mA to 10 A |
| DC current | ±0.1% | 20 mA to 10 A |
| Resistance | ±0.1% | 20 Ω to 40 MΩ |
| Capacitance | ±2% | 20 nF to 100 mF |
| Frequency | ±0.01% | 10 Hz to 1 MHz |
Features
The Metrel MD 9040 has the following features:
- TRMS measurement: This ensures accurate readings on both sinusoidal and non-sinusoidal signals.
- CAT IV / 1000 V overvoltage protection: This protects the multimeter from damage in the event of a high-voltage surge.
- Auto-ranging: This automatically selects the correct range for the measurement being made.
- Data hold: This freezes the display so that you can take a reading at a later time.
- Relative zero mode: This allows you to compare the difference between two signals or remove background noise.
- PC Link: This allows you to download test results to a computer for further analysis.
What's in the box
The Metrel MD 9040 comes with the following items:
- Multimeter
- Carrying case
- Test leads
- Instruction manual
Conclusion
The Metrel MD 9040 is a powerful and versatile digital multimeter that is ideal for a wide range of industrial applications. It is accurate, reliable, and easy to use. If you are looking for a high-quality multimeter for your industrial needs, the Metrel MD 9040 is a great option.
Metrel MD 9040 Compare with Similar Item
a table comparing the Metrel MD 9040 with two similar items:
| Feature | Metrel MD 9040 | Fluke 179 | Klein Tools ET100 |
|---|---|---|---|
| Price | $1,295 | $1,199 | $1,099 |
| Display | 4.3" color touchscreen | 4" color touchscreen | 2.4" black and white display |
| Measurement functions | AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, temperature, continuity, diode test, transistor test, insulation resistance | AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, temperature, continuity, diode test, transistor test, insulation resistance | AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, temperature, continuity, diode test, transistor test |
| CAT rating | CAT IV 600V | CAT IV 600V | CAT III 600V |
| Dimensions | 7.0 x 2.8 x 1.2" | 6.7 x 2.5 x 1.2" | 6.3 x 2.2 x 1.1" |
| Weight | 12.3 oz | 10.6 oz | 9.6 oz |
As you can see, the Metrel MD 9040, Fluke 179, and Klein Tools ET100 are all very similar multimeters. They all offer a wide range of measurement functions, are CAT IV rated, and have relatively compact and lightweight designs. The Metrel MD 9040 has a slightly larger display and a higher price tag than the other two multimeters, but it also has a few additional features, such as the ability to measure temperature and insulation resistance. The Fluke 179 and Klein Tools ET100 are both slightly less expensive than the Metrel MD 9040, but they do not have the ability to measure temperature or insulation resistance.
Ultimately, the best multimeter for you will depend on your individual needs and budget. If you need a multimeter with a large display and the ability to measure temperature and insulation resistance, then the Metrel MD 9040 is a good option. If you are looking for a more affordable multimeter, then the Fluke 179 or Klein Tools ET100 are both good choices.
Metrel MD 9040 Pros/Cons and My Thought
The Metrel MD 9040 is a professional-grade multimeter that offers a wide range of features and functionality. It is a versatile tool that can be used for a variety of electrical testing applications.
Pros:
- The Metrel MD 9040 has a large, easy-to-read display.
- It features a wide range of measurement functions, including AC/DC voltage, current, resistance, capacitance, frequency, and duty cycle.
- The meter is also equipped with a number of advanced features, such as True RMS measurement, CAT IV 600V safety rating, and a built-in data logger.
Cons:
- The Metrel MD 9040 is a relatively expensive multimeter.
- It is also quite large and heavy, which can make it difficult to carry around.
User reviews:
- Positive reviews:
- "This is a great multimeter! It has everything I need and more. The display is clear and easy to read, and the measurement functions are accurate. I would definitely recommend this meter to anyone who needs a professional-grade multimeter."
- "I've been using the Metrel MD 9040 for a few months now, and I'm really impressed with it. It's a very versatile meter that can handle a wide range of tasks. The True RMS measurement is especially useful, and the data logger is a great feature for troubleshooting problems."
- Negative reviews:
- "This meter is very expensive. I'm not sure if it's worth the price for most people."
- "The meter is also quite large and heavy. It's not very portable, which can be a drawback if you need to take it with you to different locations."
My thoughts:
Overall, the Metrel MD 9040 is a very capable multimeter. It is a versatile tool that can be used for a variety of electrical testing applications. The meter is accurate and reliable, and it features a wide range of advanced features. However, the Metrel MD 9040 is also quite expensive and large. If you are looking for a professional-grade multimeter with a wide range of features, the Metrel MD 9040 is a great option. However, if you are on a budget or need a more portable meter, there are other options available.
Here are some other multimeters that you may want to consider:
- Fluke 115: This is a more affordable multimeter that offers a good range of features.
- Klein Tools MM200: This is a small and portable multimeter that is perfect for field work.
- Amprobe AM510: This is a budget-friendly multimeter that is a good option for basic electrical testing.
I hope this helps!
Metrel MD 9040 Where To Buy
some places where you can buy Metrel MD 9040 and spare parts:
- Metrel's official website: You can buy the Metrel MD 9040 directly from Metrel's website. They offer free shipping on orders over $100.

- Walmart: Walmart is a good option if you're looking for a physical store where you can buy the Metrel MD 9040. They usually have a good selection of multimeters in stock, and their prices are competitive.
- Amazon: Amazon is another great option for buying the Metrel MD 9040. They have a wide selection of multimeters available, and their prices are often lower than other retailers.

- Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store where you can buy the Metrel MD 9040. They usually have a good selection of multimeters in stock, and their prices are competitive.

- Lowes: Lowes is another good option if you're looking for a physical store where you can buy the Metrel MD 9040. They usually have a good selection of multimeters in stock, and their prices are competitive.

- eBay: eBay is a good option if you're looking for a used or refurbished Metrel MD 9040. You can often find good deals on eBay, but be sure to do your research before you buy to make sure that you're getting a quality product.

For spare parts, you can also try contacting Metrel directly. They may be able to sell you the spare parts you need, or they may be able to direct you to a third-party vendor who sells them.
I hope this helps!
Metrel MD 9040 Problems and Solutions
some common issues and problems with the Metrel MD 9040, along with solutions from experts:
Issue: The multimeter is not turning on. Solution: Check the power cord to make sure it is plugged in properly. If the power cord is plugged in properly, try resetting the multimeter by pressing and holding the power button for 10 seconds. If the multimeter still does not turn on, contact Metrel support for assistance.
Issue: The multimeter is not displaying accurate readings. Solution: Make sure the multimeter is properly calibrated. You can calibrate the multimeter by following the instructions in the Metrel MD 9040 user manual. If the multimeter is still not displaying accurate readings, contact Metrel support for assistance.
Issue: The multimeter is giving an error message. Solution: Consult the Metrel MD 9040 user manual to determine the meaning of the error message. Once you have determined the meaning of the error message, you can take the appropriate steps to resolve the issue. If you are unable to resolve the issue, contact Metrel support for assistance.
Issue: The multimeter is not working properly. Solution: If the multimeter is not working properly, it is possible that there is a problem with the internal circuitry. In this case, you will need to contact Metrel support for assistance.
Here are some additional tips for troubleshooting common Metrel MD 9040 problems:
- Make sure that you are using the correct probes for the measurement you are trying to make.
- Make sure that the probes are properly connected to the multimeter.
- Check the batteries to make sure they are not low.
- Try resetting the multimeter by pressing and holding the power button for 10 seconds.
If you are still having problems with your Metrel MD 9040, contact Metrel support for assistance. They will be able to help you troubleshoot the problem and resolve it as quickly as possible.
Metrel MD 9040 Manual
Safety Information
- Read and understand all safety instructions before using the Metrel MD 9040 digital multimeter.
- Do not use the meter if it is damaged.
- Do not use the meter in wet or humid conditions.
- Do not use the meter near flammable materials.
- Do not use the meter to measure voltages or currents that exceed the meter's rated limits.
- Always disconnect the power before making any measurements.
- Use the correct test leads for the type of measurement being made.
- Do not touch the exposed terminals of the test leads.
- Keep the meter out of the reach of children.
Before Use
- Before using the Metrel MD 9040, make sure that the meter is properly calibrated.
- Check the batteries to make sure that they are fresh.
- Familiarize yourself with the controls and functions of the meter.
Troubleshooting
If the Metrel MD 9040 is not working properly, try the following troubleshooting steps:
- Check the batteries to make sure that they are fresh.
- Make sure that the meter is properly calibrated.
- Check the connections to the test leads.
- If the problem persists, contact Metrel customer support.
Maintenance
To maintain the Metrel MD 9040 in good condition, follow these steps:
- Clean the meter with a soft cloth.
- Do not use harsh chemicals or solvents to clean the meter.
- Store the meter in a cool, dry place.
Warranty
The Metrel MD 9040 is covered by a one-year warranty. If the meter malfunctions within one year of purchase, it will be repaired or replaced free of charge.
Contact Information
For more information about the Metrel MD 9040, or to contact Metrel customer support, please visit the Metrel website or call the Metrel customer support number.
Additional Information
- The Metrel MD 9040 is a digital multimeter that measures AC and DC voltage, current, resistance, capacitance, frequency, and duty cycle.
- The meter has a large, backlit display that makes it easy to read the measurements.
- The meter also has a number of features that make it easy to use, such as auto-ranging, relative mode, and data hold.
- The Metrel MD 9040 is a valuable tool for electricians, engineers, and other professionals who need to make accurate electrical measurements.
I hope this manual has been helpful. Please contact Metrel customer support if you have any further questions.

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