
SB-276 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $99.99 | Condition is New other (see details), SNAP ON MT-549 MT-540C DIODE TESTER Adapter, shipping cost = $9.99 | 99.8% |
![]() | $199.99 | Condition is New other (see details), SNAP ON TOOLS MT-549 MT-540C DIODE TESTER VINTAGE AUTO PART USED AND NEW64, FREE SHIPPING | 100.0% |

Snap SB-276 MT-540C AVR Electrical Tester
The Snap SB-276 MT-540C AVR Electrical Tester is an advanced and versatile tool designed to help electricians and DIY enthusiasts diagnose and solve electrical issues with ease. This tester is manufactured by Fluke, a renowned brand known for its high-quality test equipment.
The SB-276 MT-540C tester is a 600V Auto-Ranging Volt-Ohm-Resistor (V-O-R) tester. It is capable of testing AC voltage, resistance, continuity, and capacitance. The tester comes with a Multifunction Test Button (MT) that allows for various test functions with just one button press. The MT-540C also features a patented AutoVolt technology, which automatically sets the test voltage to the correct level for the circuit being tested.
The tester's large, backlit LCD display is easy to read, even in low-light conditions. It provides clear and accurate test results in real-time. The unit also features an audible continuity buzzer, which sounds when continuity is detected.
The SB-276 MT-540C tester is compact and lightweight, making it easy to carry and use in various locations. It comes with a protective rubber boot that shields the unit from drops and impacts. The tester also features a durable design, ensuring long-lasting performance.
The included accessories, such as test leads and alligator clips, are of high quality and are color-coded for easy identification. The tester also comes with a protective carrying case for safe storage and transportation.
To use the Snap SB-276 MT-540C AVR Electrical Tester, simply connect the test leads or alligator clips to the electrical circuit being tested. Press the test button or use the Multifunction Test Button to initiate the test. The tester will provide the test result on the LCD display and/or audible signal.
The Snap SB-276 MT-540C AVR Electrical Tester comes with a comprehensive instruction manual, which includes detailed information on how to use the tester, troubleshoot common issues, and maintain the unit. The manual also includes important safety information to ensure safe and effective use of the tester.
In summary, the Snap SB-276 MT-540C AVR Electrical Tester is a powerful and versatile tool designed to help electricians and DIY enthusiasts diagnose and solve electrical issues with ease. Its advanced features, compact design, and high-quality accessories make it an essential tool for any electrical work. The included instruction manual ensures that users can safely and effectively use the tester to its full potential.
Snap SB-276 MT-540C A.V.R Electrical Tester: A Comprehensive Analysis
The Snap SB-276 MT-540C Automatic Voltage Regulator (A.V.R) electrical tester is a versatile and essential tool for electricians and DIY enthusiasts. This device is designed to test various electrical parameters, including A.C. voltage, A.C. current, frequency, and A.V.R status. In this analysis, we will discuss the key features, advantages, and disadvantages of the Snap SB-276 MT-540C tester.
Features:1. Automatic Voltage Regulator (A.V.R) testing
2. Wide voltage range (110V to 600V)
3. CAT III 600V safety rating
4. Built-in test leads
5. Backlit LCD display
Advantages:1. Versatile: The Snap SB-276 MT-540C tester is a multi-functional device that can test various electrical parameters, making it a valuable addition to any electrician's toolbox.
2. Safety: With a CAT III 600V safety rating, this tester ensures user safety while working on high-voltage electrical systems.
3. Convenience: The built-in test leads minimize the need for carrying additional accessories, making it more convenient for users.
4. Easy to Use: The backlit LCD display provides clear and easy-to-read results, making it simple for users to interpret the test results.
Disadvantages:1. Limited Testing Capabilities: While the Snap SB-276 MT-540C tester offers a wide range of electrical tests, it may not be sufficient for advanced electrical diagnoses that require more specialized testing equipment.
2. Price: Compared to other electrical testers on the market, the Snap SB-276 MT-540C tester may be more expensive due to its advanced features and high safety rating.
3. Size and Weight: The size and weight of the Snap SB-276 MT-540C tester may make it less portable for electricians who need to carry their tools to various job sites.
Conclusion:The Snap SB-276 MT-540C A.V.R electrical tester is an excellent investment for electricians and DIY enthusiasts who require a versatile, safe, and convenient electrical testing solution. Its advanced features, such as automatic voltage regulator testing and a wide voltage range, make it a valuable tool for diagnosing and troubleshooting electrical issues. However, its price and size may be a disadvantage for some users. Ultimately, the Snap SB-276 MT-540C tester is a recommended choice for those who prioritize safety, convenience, and versatility in their electrical testing equipment.
Details:
Electrical tester instructions/owners manual, instructions / owners manual for the Snap on model MT-540C heavy duty.v.r. 19-page manual in good condition and no missing or torn pages. Original owner.
specifications heavymanualbooks:
- brand: Snap-on
- mpn: Sb-276
- model: Mt540c
- part type: Manual
- model year: 1977
- compatible equipment type: Electrical Test Equipment
- country/region of manufacture: United States
seller heavymanualbooks:
- city: spanaway, washington
- rating: 100.0%
- # reviews: 1382
general heavymanualbooks:
- category: Business & Industrial > Equipment, Attachments > Parts Accessories > Heavy Manuals Books
offer heavymanualbooks:
- in stock #: 2
- availability: in stock
- prices: $99.99–$199.99
- item condition: New other (see details)
- options: ship-to-home
- sold #: 18
- best offers: true
- started: may 6, 2025
shipping heavymanualbooks:
- service: usps ground advantage, ups ground saver, usps media mail, usps first class large envelope
- type: calculated
- class: standard, economy
- carrier: usps, ups
- transit: 4-10 days
payments heavymanualbooks:
- other
- credit card: diners-club
- wallet: google-pay
returns heavymanualbooks:
- policy: no returns
Related To:
- CTR714A: MANUAL RATCHET, Snap On

