
THM550 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $150.00 | Condition is New – Open box, Tektronix THM5BAT TEKMeter Battery Pack for THM550 THM560 THM565, shipping cost = $15.00 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $30.00 | Top Pick! Condition is New, Tektronix THM560, THM550 Front + Rear Cabinet / Case Our Ref # Q534465 NEW, shipping cost = $70.00 | 99.7% |

The Tektronix THM550 AS-IS Tek Meter is a multimeter that boasts an impressive range of features for troubleshooting and measuring electrical parameters in various applications. This refurbished multimeter, although previously used, undergoes a rigorous testing and certification process to ensure it meets Tektronix's high standards.
The THM550 comes with autoranging capabilities, making it a versatile and convenient tool for measuring various electrical quantities, including voltage, current, resistance, and continuity. Its high measurement accuracy and resolution provide reliable and precise readings.
The multimeter features a large, backlit LCD display, allowing for easy reading of test results, even in dimly lit environments. The display can show various units of measurement, allowing for flexibility based on the user's preferences and requirements.
The THM550 is equipped with a robust, rugged design, featuring a rubberized housing that can withstand the rigors of industrial use. Its compact size makes it highly portable, allowing users to take it on the go for troubleshooting and maintenance tasks.
The multimeter also includes several safety features, including overvoltage protection, overcurrent protection, and a protective fuse. These features help to prevent damage to the multimeter or the user in the event of hazardous electrical conditions.
The THM550 comes with a comprehensive set of test leads and probes, allowing for a wide range of measurements. The multimeter also supports various test functions, including diode checking, capacitance measurement, and frequency measurement.
In summary, the Tektronix THM550 AS-IS Tek Meter is a robust, versatile, and precise multimeter that is ideal for troubleshooting and measuring electrical parameters in various applications. Its autoranging capabilities, large LCD display, rugged design, and comprehensive set of test leads and probes make it an essential tool for electrical technicians, engineers, and hobbyists alike.
Buying a Tektronix THM550 multimeter as-is comes with both advantages and disadvantages. Here are some potential pros and cons to consider before making a decision:
Pros:1. Cost Savings: Purchasing an as-is multimeter like the Tektronix THM550 can save you a significant amount of money compared to buying a new one.
2. Functionality: The Tektronix THM550 is a high-end multimeter with autoranging capabilities, making it a versatile and useful tool for various electrical measurements.
3. Availability: As-is items are often readily available from various online marketplaces, making it easier to find and purchase the multimeter you want.
Cons:1. Risk of Defects: Buying an as-is multimeter means that you may be taking a risk on its condition. The Tektronix THM550, like any electronic device, could have hidden defects that may not be apparent until after the purchase.
2. Lack of Warranty: When you buy an as-is multimeter, you typically do not get a warranty, which means that you will be responsible for any repairs or issues that may arise.
3. Limited Information: You may not have access to the full history of the multimeter, such as its past usage or maintenance records, which could impact its performance and reliability.
Conclusion:In conclusion, buying a Tektronix THM550 as-is multimeter can offer cost savings and functional benefits, but it also comes with risks and limitations. Before making a purchase, consider carefully the potential pros and cons, and consider seeking out additional information about the specific unit you are considering. If you are comfortable with the risks and the potential savings, then an as-is Tektronix THM550 multimeter could be a good option for you. However, if you prefer the peace of mind that comes with a new multimeter and a warranty, then it may be worth paying a higher price. Ultimately, the decision is yours to make based on your budget, needs, and risk tolerance.
Details:
Rear battery holder also has a broken contact. For parts or repair multi-meter and scope single channel, comes with three cables and instruction manual reference manual, internal relay activates on power up but no display it shuts off.
specifications testmultimeters:
- brand: Tektronix
- mpn: Thm550
- part type: Meter Multimeter
- features: Auto-ranging
offer testmultimeters:
- prices: $30.00–$150.00
- item condition:
- New – Open box
- New
- in stock #: 2
- sold #: 18
- started: may 3, 2025
- availability: in stock
- best offers: true
- options: ship-to-home
payments testmultimeters:
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
shipping testmultimeters:
- type: fixed
- class: standard
- service: ups ground
- carrier: ups
- transit: 4-9 days
seller testmultimeters:
- # reviews: 305
- rating: 100.0%
- city: marietta, georgia
returns testmultimeters:
- policy: no returns
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