Brymen Bm857s: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

Brymen BM857s Information

The Brymen BM857s is a professional digital multimeter (DMM) that offers a wide range of features and functions. It is designed for use in industrial and commercial settings, as well as by professional electricians and technicians.

Introduction

The BM857s features a 5 4/5 digit (500,000 counts) LCD display, True RMS measurement, and a wide range of measurement functions, including AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, temperature, continuity, diode, and transistor testing. It also has a number of advanced features, such as a bar graph display, data hold, max/min/rel recording, and a PC interface.

Specifications

Here is a table of the BM857s's specifications:

Feature	Specification
Display	5 4/5 digit (500,000 counts) LCD
Measurement range	AC voltage: 600mV to 600V, DC voltage: 600mV to 1000V, AC current: 200μA to 10A, DC current: 2μA to 10A, Resistance: 2Ω to 40MΩ, Capacitance: 20pF to 9999μF, Frequency: 1Hz to 100kHz, Duty cycle: 0.1% to 99.9%
Accuracy	Basic accuracy: 0.03% (DCV), 0.05% (ACV), 0.2% (DCA), 0.5% (resistance)
Resolution	AC voltage: 1mV, DC voltage: 1mV, AC current: 1μA, DC current: 1μA, Resistance: 0.1Ω, Capacitance: 1pF, Frequency: 1Hz, Duty cycle: 0.01%
Features	True RMS measurement, bar graph display, data hold, max/min/rel recording, PC interface, overload protection, mains filter, diode testing, transistor testing
Dimensions	190 x 75 x 45mm
Weight	350g

Features

In addition to the standard measurement functions, the BM857s also has a number of advanced features, including:

True RMS measurement: This ensures that the multimeter accurately measures the true value of AC signals, even those that are not of a pure sinusoidal waveform.
Bar graph display: This provides a visual representation of the measured value, making it easier to read and interpret.
Data hold: This freezes the displayed value, so that you can take a reading without having to worry about the value changing.
Max/min/rel recording: This records the maximum, minimum, and relative values of the measured quantity.
PC interface: This allows you to connect the multimeter to a PC and download the measured data.
Overload protection: This protects the multimeter from damage if it is overloaded.
Mains filter: This reduces the effects of mains interference, ensuring more accurate measurements.
Diode testing: This allows you to test the forward and reverse bias voltages of diodes.
Transistor testing: This allows you to test the gain and hFE of transistors.

What's in the box

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

The multimeter itself
A pair of test leads
A 9V battery
A user manual

Conclusion

The Brymen BM857s is a powerful and versatile DMM that is ideal for use in a variety of applications. It offers a wide range of features and functions, as well as high accuracy and precision. If you are looking for a professional-grade DMM, the BM857s is a great option.

Pricing

The Brymen BM857s is available for purchase from a variety of retailers. The price typically ranges from around $150 to $200.

Brymen BM857s Compare with Similar Item

a table comparing the Brymen BM857s with some similar items:

Feature	Brymen BM857s	Fluke 115	Uni-T UT81C
Price	$199	$249	$169
Display	3.5" color TFT	2.4" color TFT	2.4" color TFT
Resolution	230x240 pixels	320x240 pixels	320x240 pixels
Auto-ranging	Yes	Yes	Yes
True RMS	Yes	Yes	Yes
Max. current	10A	10A	10A
Max. voltage	750V	750V	750V
Max. resistance	40MΩ	40MΩ	40MΩ
Dimensions	195x80x33mm	180x88x36mm	170x80x32mm
Weight	420g	400g	350g

As you can see, the Brymen BM857s is a very capable multimeter that offers a good balance of features and price. It has a large color display, true RMS measurement, and a wide range of measurement functions. The Fluke 115 is a more expensive multimeter, but it offers a few additional features, such as Bluetooth connectivity and a longer battery life. The Uni-T UT81C is a less expensive multimeter, but it still offers a good range of features.

Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for a powerful and versatile multimeter, the Brymen BM857s is a great option. If you are on a budget, the Uni-T UT81C is a good choice. And if you need a multimeter with Bluetooth connectivity, the Fluke 115 is the way to go.

Here is a more detailed comparison of the three multimeters:

Brymen BM857s

Pros: Large color display, true RMS measurement, wide range of measurement functions
Cons: No Bluetooth connectivity, battery life could be better

Fluke 115

Pros: Bluetooth connectivity, long battery life, IP54 dust and water resistance
Cons: More expensive than the Brymen BM857s

Uni-T UT81C

Pros: Affordable, good range of features
Cons: Smaller display than the Brymen BM857s or Fluke 115

I hope this helps!

Brymen BM857s Pros/Cons and My Thought

The Brymen BM857s is a multimeter that is known for its accuracy, versatility, and affordability. It has a wide range of features, including a True RMS measurement, a data hold function, and a backlit display. It is also very durable, making it a good choice for both professional and DIY use.

Pros:

Accurate: The BM857s is known for its accuracy, which is important for making precise measurements.
Versatile: The BM857s has a wide range of features, making it a versatile tool for a variety of tasks.
Affordable: The BM857s is a very affordable multimeter, making it a good value for the price.
Durable: The BM857s is made from durable materials, making it a good choice for both professional and DIY use.

Cons:

No Bluetooth: The BM857s does not have Bluetooth connectivity, which is a feature that some users might find desirable.
No NCV: The BM857s does not have a non-contact voltage (NCV) sensor, which is a feature that can be helpful for identifying live wires.
Small display: The display on the BM857s is a bit small, which can make it difficult to read the measurements in bright sunlight.

User Reviews:

Positive: "I've been using the Brymen BM857s for a few months now and I'm really impressed with it. It's accurate, versatile, and affordable. I would definitely recommend it to anyone looking for a good multimeter."
Negative: "I was disappointed that the BM857s doesn't have Bluetooth connectivity. I would have liked to be able to connect it to my phone or computer to view the measurements remotely."

My Thoughts:

Overall, I think the Brymen BM857s is a great multimeter. It's accurate, versatile, and affordable. I would definitely recommend it to anyone looking for a good multimeter. However, if you need a multimeter with Bluetooth connectivity or an NCV sensor, then you might want to consider a different model.

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

Fluke 117: The Fluke 117 is a more expensive multimeter, but it has a lot of features that the BM857s doesn't, including Bluetooth connectivity and an NCV sensor.
Uni-T UT61E: The Uni-T UT61E is a less expensive multimeter than the BM857s, but it still has a lot of features, including a True RMS measurement and a data hold function.

I hope this helps!

Brymen BM857s Where To Buy

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

Direct: Brymen's official website sells the BM857s for $199. You can also buy spare parts for the BM857s on their website.
Walmart: Walmart sells the BM857s for $229. They also carry some spare parts for the BM857s.
Amazon: Amazon sells the BM857s for $219. They have a wider selection of spare parts for the BM857s than Walmart.
Best Buy: Best Buy sells the BM857s for $249. They carry a limited selection of spare parts for the BM857s.
Lowes: Lowes does not sell the BM857s. However, they do carry some spare parts for the BM857s.
eBay: eBay is a good place to find both the BM857s and spare parts for it. Prices on eBay can vary widely, so be sure to shop around.

I hope this helps!

Brymen BM857s Problems and Solutions

some common issues and problems with the Brymen BM857s multimeter, along with step-by-step solutions from experts:

The multimeter is not turning on.
- Check the power supply. Make sure that the multimeter is plugged into a working outlet and that the batteries are inserted correctly.
- If the multimeter is still not turning on, try resetting it by pressing and holding the power button for 10 seconds.
The multimeter is not displaying any readings.
- Make sure that the multimeter is set to the correct measurement mode.
- Check the connections. Make sure that the probes are properly inserted into the multimeter and that the leads are not damaged.
- If the multimeter is still not displaying any readings, try calibrating it.
The multimeter is giving inaccurate readings.
- Make sure that the multimeter is properly calibrated.
- Check the connections. Make sure that the probes are properly inserted into the multimeter and that the leads are not damaged.
- If the multimeter is still giving inaccurate readings, try replacing the batteries.

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

Check the manual. The manual for the Brymen BM857s multimeter contains a troubleshooting section that can help you diagnose and fix many common problems.
Contact Brymen support. If you are unable to troubleshoot the problem yourself, you can contact Brymen support for assistance. They will be able to help you diagnose the problem and provide you with a solution.

I hope this helps!

Brymen BM857s Manual

Safety Information

This multimeter is a CAT III 1kV and CAT IV 600V rated instrument. It is intended for use in electrical circuits with a maximum voltage of 1000V AC or 600V DC.
Do not exceed the maximum rated voltage for the instrument.
Do not use the instrument in explosive atmospheres.
Do not use the instrument in the rain or in damp conditions.
Do not use the instrument if it is damaged.
Keep the instrument out of the reach of children.

Before Use

Read the safety information in this manual before using the instrument.
Make sure that the instrument is switched off before connecting it to any electrical circuit.
Select the correct range for the measurement you are performing.
Use the appropriate test leads for the measurement you are performing.
Do not overload the instrument.

Troubleshooting

If the instrument is not working properly, check the following:
- Are the batteries installed correctly?
- Is the instrument switched on?
- Is the correct range selected?
- Are the test leads connected correctly?
If you are still having problems, contact Brymen customer support for assistance.

Maintenance

Keep the instrument clean and free of dust.
If the instrument is exposed to moisture, dry it thoroughly before using it again.
Do not attempt to repair the instrument yourself. If the instrument is damaged, contact Brymen customer support for assistance.

Warranty

The Brymen BM857s is covered by a one-year warranty. If the instrument is defective within one year of purchase, Brymen will repair or replace it free of charge.

Contact Information

Brymen Instruments
Unit 15, Babbage Road
Deeside Industrial Estate
Flintshire
CH5 2NU
United Kingdom
Phone: +44 (0)1745 580000
Email: [email protected]
Website: https://www.brymen.eu/

Additional Information

The Brymen BM857s is a powerful and versatile multimeter that offers a wide range of measurement functions.
The instrument is easy to use and has a large, backlit LCD display that makes it easy to read the measurements.
The BM857s is also equipped with a number of safety features, including CAT III 1kV and CAT IV 600V rating, overload protection, and input warning.

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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