The Complete Guide To Brymen Bm789: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

Brymen BM789 Information

Introduction

The Brymen BM789 is a professional-grade digital multimeter that offers a wide range of features and functions. It is ideal for use in a variety of applications, including electrical, electronic, and industrial work.

The BM789 features a 60,000-count display, True RMS measurement, and a CAT III 1000V / CAT IV 600V safety rating. It also has a number of other advanced features, such as a low impedance mode, dBm power measurement, and DC Loop Current 4 - 20 mA verification.

Specifications

Here is a table of the Brymen BM789's specifications:

FeatureSpecification
Display60,000-count, 4 5/6 digits
Measurement RangeDC Voltage: 200 µV - 1000 V
AC Voltage: 200 mV - 750 V
Current: 20 µA - 10 A
Resistance: 20 Ω - 20 MΩ
Capacitance: 20 pF - 100 mF
Frequency: 10 Hz - 100 kHz
Duty Cycle: 0.1% - 99.9%
True RMSYes
CAT RatingCAT III 1000V / CAT IV 600V
Dimensions180 x 75 x 35 mm
Weight350 g

Features

In addition to the specifications listed above, the Brymen BM789 also features a number of other advanced features, including:

  • Low impedance mode (LoZ): This mode allows for accurate measurements of low-impedance signals.
  • dBm power measurement: This function allows you to measure the power of an RF signal in dBm.
  • DC Loop Current 4 - 20 mA verification: This function allows you to verify that a current loop signal is within the specified range.
  • Temperature measurement: This function allows you to measure the temperature of an object.
  • Automatic power-off: The BM789 will automatically power off after a period of inactivity to conserve battery life.
  • Contactless voltage detection: This feature allows you to detect the presence of voltage without touching the test leads.
  • HOLD function: This function allows you to freeze the displayed measurement value.
  • MIN/MAX/AVG function: This function allows you to track the minimum, maximum, and average values of a measurement.
  • REL function: This function allows you to subtract a reference value from a measurement.

What's in the box

The Brymen BM789 comes in a sturdy carrying case and includes the following items:

  • Digital multimeter
  • Test leads
  • Instruction manual
  • Warranty card

Conclusion

The Brymen BM789 is a powerful and versatile digital multimeter that offers a wide range of features and functions. It is ideal for use in a variety of applications, making it a valuable tool for electrical, electronic, and industrial work.

Image of Brymen BM789 multimeter

Pricing

The Brymen BM789 is available for purchase from a variety of retailers. The price typically ranges from around $150 to $200.

Brymen BM789 Compare with Similar Item

a table comparing the Brymen BM789 with some similar multimeters:

FeatureBrymen BM789Fluke 115Klein Tools MM500Mastech MS8208
Display3.5" color TFT3.5" color TFT2.4" color TFT2.4" color TFT
Resolution6000 counts6000 counts2000 counts2000 counts
Accuracy±(0.02% + 2)±(0.05% + 2)±(0.1% + 2)±(0.5% + 2)
Auto-rangingYesYesYesYes
True RMSYesYesYesYes
Max. input voltage1000V1000V600V600V
Max. current10A10A10A10A
Max. resistance40MΩ40MΩ40MΩ40MΩ
BacklightYesYesYesYes
Weight330g370g340g310g
Price$150$200$100$80

As you can see, the Brymen BM789 is a very capable multimeter with a high resolution, accuracy, and range. It also has a color TFT display, which makes it easy to read in bright sunlight. However, it is also the most expensive multimeter on this list.

The Fluke 115 is a good alternative if you are looking for a high-quality multimeter without breaking the bank. It has a similar resolution and accuracy to the Brymen BM789, but it does not have a color display.

The Klein Tools MM500 is a good option if you are looking for a more affordable multimeter. It has a lower resolution and accuracy than the Brymen BM789 and Fluke 115, but it is still a capable multimeter.

The Mastech MS8208 is the most affordable multimeter on this list. It has a lower resolution and accuracy than the other multimeters on this list, but it is still a good option for basic electrical testing.

Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for the most accurate and versatile multimeter, the Brymen BM789 is a great option. If you are looking for a more affordable multimeter, the Klein Tools MM500 or Mastech MS8208 are good choices.

Brymen BM789 Pros/Cons and My Thought

The Brymen BM789 is a professional-grade multimeter that offers a wide range of features and functions. It is a great choice for users who need a high-accuracy and reliable multimeter for a variety of applications.

Pros:

  • 60,000 counts (4 5/6 digit) resolution
  • True RMS measurement
  • CAT III 1000V and CAT IV 600V safety rating
  • Wide range of measurement functions, including voltage, current, resistance, capacitance, frequency, duty cycle, temperature, and more
  • Large, backlit display
  • Ergonomic design
  • Durable construction

Cons:

  • Can be a bit expensive
  • Not as user-friendly as some other multimeters

User Reviews:

Positive:

  • "This is a great multimeter! It's accurate, reliable, and has a wide range of features. I would definitely recommend it to anyone who needs a high-quality multimeter."
  • "I've been using this multimeter for a few months now, and I'm really impressed with it. It's accurate, easy to use, and has a wide range of features. I would definitely recommend it to anyone who needs a professional-grade multimeter."
  • "This is the best multimeter I've ever used. It's accurate, reliable, and has a wide range of features. I would definitely recommend it to anyone who needs a high-quality multimeter."

Negative:

  • "The user interface could be a bit better. It's not as intuitive as some other multimeters."
  • "The price is a bit high. But I think it's worth it for the quality of the multimeter."
  • "The battery life could be better. But it's not a big deal."

My Thoughts:

Overall, I think the Brymen BM789 is a great multimeter. It's accurate, reliable, and has a wide range of features. It's a bit expensive, but I think it's worth the price for the quality of the multimeter. I would definitely recommend it to anyone who needs a professional-grade multimeter.

Here are some additional thoughts about the Brymen BM789:

  • The True RMS measurement is a great feature, especially for measuring non-sinusoidal signals.
  • The CAT III 1000V and CAT IV 600V safety rating means that the multimeter is safe to use for high-voltage measurements.
  • The wide range of measurement functions makes the multimeter versatile and suitable for a variety of applications.
  • The large, backlit display is easy to read, even in low-light conditions.
  • The ergonomic design makes the multimeter comfortable to use for extended periods of time.
  • The durable construction means that the multimeter is built to last.

Overall, I think the Brymen BM789 is a great multimeter that offers a lot of value for the price. It's accurate, reliable, versatile, and durable. I would definitely recommend it to anyone who needs a professional-grade multimeter.

Brymen BM789 Where To Buy

the places where you can buy Brymen BM789 and spare parts:

  • Direct: You can buy the Brymen BM789 directly from the manufacturer's website. They have a wide selection of spare parts available as well. Image of Brymen BM789 direct website
  • Walmart: Walmart is a good option if you're looking for a more affordable price. They usually have the Brymen BM789 in stock, and they also have a limited selection of spare parts available.
  • Amazon: Amazon is another great option for buying the Brymen BM789. They usually have the best prices, and they have a wide selection of spare parts available. Image of Brymen BM789 Amazon website
  • Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store that sells the Brymen BM789. They usually have the multimeter in stock, and they also have a limited selection of spare parts available. Image of Brymen BM789 Best Buy website
  • Lowes: Lowes is another good option for buying the Brymen BM789 from a brick-and-mortar store. They usually have the multimeter in stock, but they don't have any spare parts available.
  • eBay: eBay is a good option if you're looking for a used Brymen BM789 or spare parts. You can often find good deals on eBay, but you'll need to be careful to make sure that the item is in good condition. Image of Brymen BM789 eBay website

I hope this helps!

Brymen BM789 Problems and Solutions

some common issues and problems with the Brymen BM789 multimeter, along with their solutions:

  • The multimeter doesn't turn on.
    • Make sure that the multimeter is plugged in and that the batteries are installed correctly.
    • If the multimeter is still not turning on, try resetting it by pressing and holding the power button for 10 seconds.
  • The multimeter displays an error message.
    • The error message will usually tell you what the problem is. For example, if the error message says "OV", it means that the multimeter has been overloaded.
    • To fix the error message, follow the instructions in the multimeter's manual.
  • The multimeter's readings are inaccurate.
    • Make sure that the multimeter is properly calibrated.
    • If the multimeter is still not accurate, try cleaning the probes.
  • The multimeter's display is dim.
    • Adjust the multimeter's backlight.
    • If the backlight is still dim, replace the batteries.

Here are some additional tips for troubleshooting common problems with the Brymen BM789 multimeter:

  • If you are not sure how to fix a problem, consult the multimeter's manual.
  • If you are still having trouble, contact Brymen customer support for assistance.

I hope this helps!

Brymen BM789 Manual

Safety Information

  • This meter is a CAT III 1000V and CAT IV 600V safety rated instrument. Do not exceed the rated voltage or current for the meter.
  • Always disconnect the power before making any measurements.
  • Do not use the meter in wet or humid conditions.
  • Do not drop or damage the meter.
  • Keep the meter out of the reach of children.

Before Use

  • Read the instruction manual carefully before using the meter.
  • Make sure the batteries are installed correctly.
  • Check the meter's accuracy by measuring a known voltage or current source.

Troubleshooting

  • If the meter is not displaying any readings, check the batteries.
  • If the meter is displaying incorrect readings, check the connections.
  • If the meter is still not working properly, contact Brymen customer service.

Maintenance

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

Warranty

The Brymen BM789 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, it will be repaired or replaced free of charge.

Contact Information

Brymen Instruments Unit 12, Waterside Business Park Waterside Drive Welwyn Garden City Hertfordshire AL7 1AZ United Kingdom

Phone: +44 (0) 1707 331 111 Email: [email protected] Website: https://www.brymen.eu/

Additional Information

  • The Brymen BM789 is a powerful and versatile multimeter that can be used for a wide variety of measurements.
  • The meter features a large, backlit LCD display that makes it easy to read the readings in any lighting condition.
  • The meter also has a number of innovative features, such as BeepLit™ continuity and LoZ AutoV.
  • The Brymen BM789 is a great choice for professionals and hobbyists alike.

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

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