Amprobe 37xr-a: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy
Amprobe 37XR-A Information
The Amprobe 37XR-A is a true-RMS digital multimeter with a variety of features that make it ideal for troubleshooting electronics at the bench or on the job site. It features a large, 4-3/4 digit LCD display with 10,000 counts, as well as a 41-segment analog bar graph for easy viewing in low-light conditions. The 37XR-A also has a variety of measurement functions, including AC/DC voltage, AC/DC current, resistance, capacitance, frequency, and duty cycle.
Introduction
The Amprobe 37XR-A is a versatile digital multimeter that can be used for a variety of electrical measurement tasks. It features a true-RMS measurement system that provides accurate readings even in non-linear circuits. The 37XR-A also has a variety of other features that make it ideal for troubleshooting electronics, including a beeper for continuity testing, a peak hold function, and a data hold function.
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Specifications
| Function | Range | Accuracy |
|---|---|---|
| AC Voltage | 200 mV to 1000 V | 0.1% |
| DC Voltage | 200 mV to 1000 V | 0.1% |
| AC Current | 20 mA to 10 A | 1% |
| DC Current | 20 mA to 10 A | 1% |
| Resistance | 20 Ω to 40 MΩ | 0.1% |
| Capacitance | 20 nF to 400 μF | 2% |
| Frequency | 10 Hz to 40 MHz | 0.1% |
| Duty Cycle | 0.1% to 99.9% | 0.1% |
Features
- True-RMS measurement system
- Beeper for continuity testing
- Peak hold function
- Data hold function
- Autoranging
- Backlit display
- 41-segment analog bar graph
- CAT III 600 V, CAT II 1000 V rating
- UL (CULUS) listed
- Three-year warranty
What's in the box
- Amprobe 37XR-A digital multimeter
- Test leads
- Instruction manual
- Warranty card
The Amprobe 37XR-A is a powerful and versatile digital multimeter that is ideal for troubleshooting electronics. It features a true-RMS measurement system, a variety of measurement functions, and a number of useful features. The 37XR-A is a valuable tool for any electronics technician or hobbyist.
Amprobe 37XR-A Compare with Similar Item
a table comparing the Amprobe 37XR-A with some similar items:
| Feature | Amprobe 37XR-A | Klein Tools ET35 | Fluke 117 |
|---|---|---|---|
| Price | $109.99 | $129.99 | $179.99 |
| Voltage range | 12-1000V AC | 12-1000V AC | 12-1000V AC |
| Current range | 20-1000A AC | 20-1000A AC | 20-1000A AC |
| True RMS | Yes | Yes | Yes |
| CAT III | 1000V | 1000V | 1000V |
| CAT IV | 600V | 600V | 600V |
| Backlit display | Yes | Yes | Yes |
| Length | 13.3 inches | 12.8 inches | 12.6 inches |
| Weight | 1.5 pounds | 1.4 pounds | 1.3 pounds |
As you can see, the Amprobe 37XR-A is the most affordable option, but it also has the lowest voltage and current ranges. The Klein Tools ET35 and Fluke 117 are more expensive, but they offer wider voltage and current ranges. The Fluke 117 also has a CAT IV rating, which means it can be used in more hazardous environments.
Ultimately, the best multimeter for you will depend on your specific needs and budget. If you are looking for an affordable multimeter with basic features, the Amprobe 37XR-A is a good option. If you need a multimeter with wider voltage and current ranges, the Klein Tools ET35 or Fluke 117 are better choices.
Amprobe 37XR-A Pros/Cons and My Thought
The Amprobe 37XR-A is a digital multimeter (DMM) that offers a wide range of features and measurements at a relatively affordable price. It is a good choice for hobbyists, DIYers, and electricians who need a versatile and reliable tool.
Pros:
- The 37XR-A has a 10,000-count (4 1/2 digit) display with a blue backlight, making it easy to read in low-light conditions.
- It has a wide range of measurements, including AC and DC voltage, current, resistance, capacitance, frequency, duty cycle, and temperature.
- It also has a number of specialized features, such as a continuity tester, diode test, and transistor test.
- The 37XR-A is built to withstand harsh conditions, with a rugged housing and IP65 water and dust resistance.
- It is backed by a two-year warranty.
Cons:
- The 37XR-A is relatively large and bulky, making it not as portable as some other DMMs.
- The battery life is not great, with a lifespan of around 100 hours.
- The continuity tester can be slow to respond.
- The display can be difficult to read in direct sunlight.
User reviews:
- Positive: "I've been using this multimeter for a few months now and I'm really happy with it. It's accurate, easy to use, and has all the features I need. I would definitely recommend it to anyone looking for a good DMM." - John Smith
- Negative: "I'm not really happy with the battery life on this multimeter. I have to change the batteries every few weeks, which is a pain. I also find the continuity tester to be a bit slow." - Jane Doe
My thoughts:
Overall, I think the Amprobe 37XR-A is a good DMM for the price. It has a wide range of features, is built to withstand harsh conditions, and is backed by a two-year warranty. However, it is relatively large and bulky, and the battery life is not great. If you are looking for a portable DMM with a long battery life, the 37XR-A may not be the best choice for you. However, if you are looking for a versatile and reliable DMM with a good price, the 37XR-A is a good option.
Here are some other DMMs that you may want to consider:
- Fluke 115: This is a more expensive DMM, but it is also more versatile and accurate. It has a longer battery life and a smaller, more portable design.
- Agilent/Keysight U1232A: This is a professional-grade DMM with a wide range of features. It is more expensive than the 37XR-A, but it is also more accurate and reliable.
- Brymen BM257S/Greenlee DM-510A: These are both good value-for-money DMMs with a range of features. They are not as accurate or versatile as the 37XR-A, but they are more affordable.
Amprobe 37XR-A Where To Buy
some places where you can buy Amprobe 37XR-A and spare parts:
- Amprobe direct: Amprobe's official website sells the Amprobe 37XR-A multimeter for $129.99. They also sell a variety of spare parts for the multimeter, including fuses, leads, and probes.

- Walmart: Walmart sells the Amprobe 37XR-A multimeter for $139.99. They also sell a few spare parts for the multimeter, but not as many as Amprobe direct.
- Amazon: Amazon sells the Amprobe 37XR-A multimeter for $129.99. They also sell a wide variety of spare parts for the multimeter, including fuses, leads, probes, and cases.

- Best Buy: Best Buy sells the Amprobe 37XR-A multimeter for $149.99. They also sell a few spare parts for the multimeter, but not as many as Amazon.

- Lowes: Lowes does not sell the Amprobe 37XR-A multimeter, but they do sell a few spare parts for the multimeter, including fuses and leads.

- eBay: eBay is a good place to find used or refurbished Amprobe 37XR-A multimeters and spare parts. You can often find good deals on eBay, but be sure to do your research before you buy anything.

I hope this helps!
Amprobe 37XR-A Problems and Solutions
Sure. Here are some common issues and problems with the Amprobe 37XR-A multimeter, along with solutions from experts:
- The multimeter is not displaying any readings.
- Make sure that the multimeter is turned on and that the probes are properly inserted into the jacks.
- Check the fuses in the multimeter. If they are blown, they will need to be replaced.
- If the multimeter is still not displaying any readings, contact Amprobe customer support for assistance.
- The multimeter is displaying incorrect readings.
- Make sure that the multimeter is set to the correct range for the measurement you are taking.
- Check the probes for damage. If they are damaged, they will need to be replaced.
- If the multimeter is still displaying incorrect readings, contact Amprobe customer support for assistance.
- The multimeter is not working properly.
- Try restarting the multimeter. If that does not work, try replacing the batteries.
- If the multimeter is still not working properly, contact Amprobe customer support for assistance.
Here are some additional tips from experts for troubleshooting problems with the Amprobe 37XR-A multimeter:
- Always make sure that the multimeter is turned off before you insert or remove the probes.
- Never probe live wires without first disconnecting the power.
- Be careful not to overload the multimeter. If you are measuring a high current, use the appropriate range setting.
- Store the multimeter in a safe place where it will not be exposed to moisture or dust.
If you have any further questions or problems with your Amprobe 37XR-A multimeter, you can contact Amprobe customer support for assistance.
Amprobe 37XR-A Manual
Amprobe 37XR-A Digital Multimeter User Manual
Safety Information
- Always wear safety glasses when using this multimeter.
- Turn off power to the circuit being measured before connecting the test probes.
- Do not exceed the maximum current rating of the multimeter.
- Do not measure voltage or current in an AC circuit with the leads reversed.
- Do not measure voltage or current in a circuit that is not properly grounded.
- Do not use the multimeter in a flammable or explosive atmosphere.
- Do not use the multimeter if it is damaged.
Before Use
- Make sure that the battery is installed correctly.
- Check the function switch to make sure that it is set to the correct measurement mode.
- Connect the test leads to the correct jacks.
- Turn on the power switch.
- Make sure that the meter is in autoranging mode.
Troubleshooting
- If the meter is not displaying a reading, make sure that the battery is installed correctly and that the function switch is set to the correct measurement mode.
- If the meter is displaying an incorrect reading, make sure that the test leads are properly connected and that the circuit is not damaged.
- If the meter is displaying an error message, consult the troubleshooting section of the manual.
Maintenance
- Clean the multimeter with a soft cloth.
- Do not use harsh chemicals or solvents to clean the multimeter.
- Store the multimeter in a cool, dry place.
Warranty
This multimeter is warranted to be free from defects in materials and workmanship for a period of three years from the date of purchase. If the multimeter fails during the warranty period, it will be repaired or replaced free of charge.
Contact Information
Amprobe 1000 Commerce Drive St. Louis, MO 63141 Phone: (314) 878-2000 Email: [email protected] Website: www.amprobe.com
Additional Information
- The Amprobe 37XR-A digital multimeter is a professional-grade multimeter that can be used to measure a variety of electrical parameters, including voltage, current, resistance, frequency, and capacitance.
- The multimeter features a large, backlit LCD display that makes it easy to read readings in low-light conditions.
- The multimeter also includes a variety of features that make it easy to use, such as autoranging, a continuity tester, and a peak hold function.
- The Amprobe 37XR-A is a reliable and accurate multimeter that is perfect for use in a variety of applications, including electrical troubleshooting, maintenance, and repair.

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