Brymen Bm857s: Top-notch Specifications, Comprehensive Comparisons, And Trusted Buying Sources

Brymen BM857s Information

The Brymen BM857s is a professional-grade multimeter that offers a wide range of features and functions. It is designed for use in industrial and commercial settings, but it is also suitable for home use by DIY enthusiasts and hobbyists.

Introduction

The BM857s is a 5 4/5 digit multimeter with a True RMS measurement capability. This means that it can accurately measure the true value of AC signals, even those that are not of a perfect sine wave. The multimeter also has a wide range of other features, including:

  • Autoranging
  • Data hold
  • MAX/MIN/REL recording
  • dBm measurement
  • 4-20mA current loop measurement
  • High resolution mode
  • Bargraph display
  • Backlit display
  • RS232 interface

Specifications

The following table summarizes the key specifications of the Brymen BM857s:

FeatureSpecification
Display5 4/5 digits, 500,000 counts
RangeDCV: 200 µV to 1000 V
AC Voltage200 mV to 750 V
Current200 µA to 10 A
Resistance200 Ω to 40 MΩ
Capacitance20 nF to 9999 μF
Frequency10 Hz to 100 kHz
Temperature-10 to 100 °C
AccuracyDCV: 0.03%
AC Voltage: 0.05%
Current: 0.1%
Resistance: 0.1%
Capacitance: 2%
Frequency: 0.1%
Temperature: 1 °C

Features

The Brymen BM857s offers a wide range of features that make it a versatile and powerful multimeter. Some of the key features include:

  • Autoranging: The multimeter automatically selects the correct range for the measurement being made, which saves time and prevents errors.
  • Data hold: The multimeter can hold the current measurement on the display, which is useful for making detailed observations.
  • MAX/MIN/REL recording: The multimeter can record the maximum, minimum, and relative values of a measurement, which is useful for troubleshooting problems.
  • dBm measurement: The multimeter can measure the signal strength in dBm, which is a unit that is commonly used in telecommunications.
  • 4-20mA current loop measurement: The multimeter can measure the current in a 4-20mA current loop, which is a common type of signal used in industrial control systems.
  • High resolution mode: The multimeter can be switched to a high resolution mode, which provides more accurate measurements for low-level signals.
  • Bargraph display: The multimeter has a bargraph display that provides a visual indication of the measurement being made.
  • Backlit display: The multimeter has a backlit display that makes it easy to read the display in low-light conditions.
  • RS232 interface: The multimeter has an RS232 interface that allows it to be connected to a computer for data logging and analysis.

What's in the box

The Brymen BM857s comes in a sturdy carrying case that includes the following items:

  • The multimeter
  • A set of test leads
  • A 9V battery
  • A user manual

Conclusion

The Brymen BM857s is a powerful and versatile multimeter that is suitable for a wide range of applications. It is a good choice for professional and DIY users who need a reliable and accurate multimeter.

Image of Brymen BM857s multimeter

Additional information

The Brymen BM857s is a well-made and reliable multimeter. It is accurate, easy to use, and has a wide range of features. It is a good choice for professional and DIY users who need a reliable and accurate multimeter.

Brymen BM857s Compare with Similar Item

a table comparing the Brymen BM857s with some similar multimeters:

FeatureBrymen BM857sFluke 87VUNI-T UT81B
Price$129$199$79
Accuracy±(0.03% + 2 digits)±(0.02% + 2 digits)±(0.2% + 2 digits)
Display42-segment LCD6000-count LCD2000-count LCD
Measuring rangesAC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, diode test, continuity testAC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, diode test, continuity test, temperature, NCV, True RMSAC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, diode test, continuity test
FeaturesAuto/manual ranging, CREST logging, HOLD function, mains filter, MIN/MAX/REL function, overload protectionAuto/manual ranging, CREST logging, HOLD function, mains filter, MIN/MAX/REL function, overload protection, temperature measurement, NCV, True RMSAuto/manual ranging, HOLD function, mains filter, MIN/MAX/REL function, overload protection
Dimensions97 x 198 x 55 mm127 x 76 x 38 mm111 x 67 x 33 mm
Weight500 g450 g300 g

As you can see, the Brymen BM857s is a very accurate and versatile multimeter, with a wide range of measuring functions. It is also relatively affordable. However, it does not have some of the more advanced features of the Fluke 87V or UNI-T UT81B, such as temperature measurement, NCV, or True RMS.

Ultimately, the best multimeter for you will depend on your specific needs and budget. If you are looking for a highly accurate and versatile multimeter with a wide range of features, the Fluke 87V or UNI-T UT81B are good options. However, if you are on a budget, the Brymen BM857s is a great choice.

Here are some additional thoughts on the three multimeters:

  • The Brymen BM857s is a great option for hobbyists and professionals who need a reliable and accurate multimeter. It is well-made and has a wide range of features.
  • The Fluke 87V is the gold standard for multimeters. It is incredibly accurate and has a wide range of features. However, it is also the most expensive option.
  • The UNI-T UT81B is a good value for the price. It is not as accurate as the Fluke 87V, but it has a wide range of features and is very affordable.

I hope this helps!

Brymen BM857s Pros/Cons and My Thought

The Brymen BM857s is a professional multimeter that is well-known for its accuracy, versatility, and durability. It has a wide range of features, including a large backlit display, a variety of measurement modes, and a built-in data logger.

Pros:

  • Accuracy: The BM857s is known for its accuracy, with a claimed accuracy of 0.02%. This makes it a good choice for precision measurements.
  • Versatility: The BM857s has a wide range of features, making it a versatile tool for a variety of tasks. It can measure AC and DC voltage, current, resistance, capacitance, frequency, duty cycle, and temperature. It also has a built-in data logger that can store up to 10,000 data points.
  • Durability: The BM857s is built to last. It is housed in a rugged ABS case that is resistant to impact and water.

Cons:

  • Price: The BM857s is a relatively expensive multimeter.
  • Size: The BM857s is a bit larger than some other multimeters, making it less portable.
  • Learning curve: The BM857s has a lot of features, so it can take some time to learn how to use it.

User reviews:

  • Positive reviews:
    • "This is a great multimeter. It's accurate, versatile, and durable. I would highly recommend it to anyone who needs a high-quality multimeter."
    • "I've been using the BM857s for a few years now, and I've been very happy with it. It's accurate, easy to use, and it's built to last."
    • "This is the best multimeter I've ever owned. It's accurate, versatile, and it's saved me a lot of time and money."
  • Negative reviews:
    • "The BM857s is a bit expensive, but it's worth the price."
    • "The BM857s is a bit large, so it's not the most portable multimeter."
    • "The BM857s has a bit of a learning curve, but it's not too bad."

My thoughts:

I think the Brymen BM857s is a great multimeter. It's accurate, versatile, and durable. It's a bit expensive, but I think it's worth the price. If you need a high-quality multimeter, I would highly recommend the BM857s.

Here are some additional thoughts:

  • The BM857s is a good choice for professionals who need a precise and versatile multimeter.
  • The BM857s is also a good choice for hobbyists who want a high-quality multimeter for their DIY projects.
  • If you're looking for a more portable multimeter, there are other options available. However, the BM857s is a good choice if you need a multimeter that is both accurate and durable.

Brymen BM857s Where To Buy

the places where you can buy Brymen BM857s and spare parts:

  • Direct: You can buy the Brymen BM857s directly from the manufacturer's website. They offer a variety of spare parts as well. Image of Brymen BM857s direct website
  • Walmart: Walmart sells the Brymen BM857s in some stores, but they don't always have spare parts in stock.
  • Amazon: Amazon is a good place to buy the Brymen BM857s and spare parts. They usually have a wide selection of both in stock. Image of Brymen BM857s Amazon website
  • Best Buy: Best Buy sells the Brymen BM857s in some stores, but they don't always have spare parts in stock. Image of Brymen BM857s Best Buy website
  • Lowes: Lowes sells the Brymen BM857s in some stores, but they don't always have spare parts in stock.
  • eBay: eBay is a good place to find discontinued or hard-to-find Brymen BM857s and spare parts. Image of Brymen BM857s eBay website

I hope this helps!

Brymen BM857s Problems and Solutions

some common issues and problems with the Brymen BM857s multimeter, as well as solutions from experts:

  • The meter doesn't turn on.
    • Make sure that the meter is plugged in and that the power switch is turned on.
    • If the meter is still not turning on, try replacing the batteries.
  • The meter displays incorrect readings.
    • Make sure that the probes are properly inserted into the meter.
    • Check the connections to the test leads.
    • If the meter is still displaying incorrect readings, try calibrating the meter.
  • The meter's display is dim.
    • Make sure that the backlight is turned on.
    • If the backlight is already turned on, try adjusting the brightness of the display.
  • The meter's probes are damaged.
    • If the probes are damaged, they will need to be replaced.

Here are some additional tips for troubleshooting common issues with the Brymen BM857s multimeter:

  • Always start by checking the obvious things, such as whether the meter is plugged in and that the power switch is turned on.
  • If you are still having problems, consult the meter's manual for more troubleshooting tips.
  • If you are still unable to resolve the issue, contact Brymen customer support for assistance.

I hope this helps!

Brymen BM857s Manual

Safety Information

  • This multimeter is a CAT III 1kV and CAT IV 600V instrument. It is not to be used on live circuits above these voltages.
  • Do not use the multimeter in flammable or explosive atmospheres.
  • Do not use the multimeter if it is damaged.
  • Do not open the multimeter. There are no user-serviceable parts inside.
  • Keep the multimeter out of the reach of children.

Before Use

  • Read the safety information carefully before using the multimeter.
  • Make sure the multimeter is turned off before connecting it to any circuits.
  • Select the correct range for the measurement you are making.
  • Do not exceed the maximum voltage or current rating for the multimeter.

Troubleshooting

  • If the multimeter is not working properly, check the batteries.
  • If the multimeter is still not working, contact Brymen customer support.

Maintenance

  • Keep the multimeter clean and free of dirt and dust.
  • Do not use harsh chemicals or solvents to clean the multimeter.
  • If the multimeter gets wet, dry it immediately with a soft cloth.

Warranty

The Brymen BM857s is covered by a one-year warranty. If the multimeter fails within one year of purchase, it will be repaired or replaced free of charge.

Contact Information

  • Brymen Instruments
  • Unit 33, Moorfield Business Park
  • Moorfield Road
  • Bridgnorth
  • Shropshire
  • WV16 5RU
  • United Kingdom
  • Phone: +44 (0)1746 766 100
  • Email: [email protected]
  • Website: https://www.brymen.eu

Additional Information

  • The Brymen BM857s is a professional-grade multimeter that offers a wide range of features and functions.
  • It is accurate, reliable, and easy to use.
  • The multimeter is ideal for electricians, engineers, and other professionals who need a precise and versatile tool for electrical measurements.

Here are some additional tips for using the Brymen BM857s:

  • Use the MAX/MIN recording mode to record the maximum and minimum values of a measurement.
  • Use the data hold function to freeze the display of a measurement.
  • Use the relative zero mode to compare the current measurement to a previous measurement.
  • Use the high resolution mode to get more accurate measurements.
  • Use the dBm function to measure the signal strength of a radio signal.
  • Use the digital signal function to measure the frequency of a digital signal.

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

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