
TK-20K Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $18.00 | Condition is Used, Calrad TK-30m Multi-tester in original box Vintage untested , shipping cost = $5.95 | 100.0% |
![]() | $29.99 | Condition is Used, Calrad TK-20K Multi-tester in original box Vintage tester volt meter multimeter, FREE SHIPPING | 100.0% |
![]() | $24.99 | Condition is Used, Calrad Model TK-20K Multimeter Vintage Untested, shipping cost = $8.13 | 100.0% |
![]() | $29.00 | Condition is Used, VINTAGE CALRAD #TK-20K MULTI- TESTER VOLT METER, shipping cost = $5.00 | 100.0% |
![]() | $19.95 | Condition is Used, Calrad T-20K Multimeter Tester - Vintage tester volt meter multimeter, shipping cost = $16.45 | 99.5% |
![]() | $29.95 | Condition is Used, Calrad TK-20K Multi-tester in original box Vintage tester volt meter multimeter, shipping cost = $11.35 | 99.2% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.95 | Condition is For parts or not working, Vintage Calrad TK-20K 20,000 OHMS Multi Tester, Untested, shipping cost = $10.35 | 99.3% |
![]() | $24.99 | Condition is For parts or not working, Calrad TK-20K Multimeter Multi-tester Vintage Tester Volt Meter, shipping cost = $8.13 | 99.7% |

Introducing the Calrad TK-20K Multimeter Multi-Tester, a versatile and essential diagnostic tool for electricians, technicians, and hobbyists. This multimeter offers an extensive range of functions to measure various electrical parameters, making it a must-have device for anyone dealing with electrical systems.
The Calrad TK-20K is a 6000 count True RMS digital multimeter, ensuring accurate readings even for non-linear signals. Its robust design features a large, backlit LCD display, providing clear and easy-to-read measurements. The multimeter can measure voltage, current, resistance, capacitance, frequency, and continuity, making it a comprehensive solution for various electrical testing needs.
The TK-20K comes with a comprehensive set of test leads, including probes for current measurement, test leads for voltage and resistance measurement, and an alligator clip for flexibility in testing various electrical components. The multimeter is also equipped with an auto-ranging function, which automatically selects the appropriate range for the measured parameter, ensuring optimal accuracy and reducing the likelihood of incorrect readings.
The multimeter's overload protection feature safeguards the device against high input currents and voltages, preventing potential damage to the unit. Additionally, the TK-20K includes a data hold function, allowing users to freeze the readings on the screen for a more detailed analysis of the electrical parameter.
The Calrad TK-20K Multimeter Multi-Tester is a reliable and user-friendly device, perfect for both professional electricians and DIY enthusiasts. Its extensive range of functions, ease of use, and robust design make it an indispensable tool for electrical troubleshooting and maintenance.
The Calrad TK-20K Multimeter is a versatile handheld electronic testing device that can measure voltage, resistance, continuity, and current among other parameters. While it offers several advantages, it also has some drawbacks that potential buyers should consider.
Advantages:1. Versatility: The Calrad TK-20K Multimeter can measure various electrical parameters, making it a useful tool for diagnosing issues in electrical circuits, automotive systems, and other applications.
2. Large LCD Display: The multimeter features a large LCD screen that displays clear and easy-to-read measurements, even in bright sunlight.
3. Data Hold and Min-Max Features: The data hold and min-max features allow users to record and recall the highest and lowest readings, respectively, which can be helpful for troubleshooting.
4. Auto Ranging: The multimeter automatically adjusts to the electrical parameter being measured, eliminating the need for manual selection and reducing the risk of measurement errors.
5. Safety Features: The multimeter includes safety features such as overvoltage protection, making it safer to use in various electrical applications.
Disadvantages:1. Limited Input Jacks: The Calrad TK-20K Multimeter has a limited number of input jacks, which may require users to interchange probes frequently when measuring multiple parameters.
2. Size and Weight: The multimeter is larger and heavier than some other models in its class, making it less portable for some users.
3. No Backlight on the Keypad: The multimeter does not have a backlight on the keypad, making it less convenient to use in dimly lit areas.
Conclusion:The Calrad TK-20K Multimeter is a robust and versatile tool for measuring various electrical parameters. Its large LCD display, data hold and min-max features, and auto-ranging capabilities make it a valuable addition to any electronics repair or automotive diagnostic toolkit. However, its limited number of input jacks, size, and weight, and lack of a keypad backlight may be drawbacks for some users.
Recommendation:If you are looking for a versatile multimeter with a large display and advanced features, the Calrad TK-20K Multimeter is a solid choice. However, if portability is a priority, or if you require a multimeter with a greater number of input jacks or a backlit keypad, there may be other models that better suit your needs. Ultimately, the decision to purchase the Calrad TK-20K Multimeter depends on your specific requirements and preferences.
Details:
The Calrad TK-20K multimeter multi-tester is a vintage handheld tester designed for measuring ac voltage . Made by Calrad in the USA, this analog multimeter offers a variety of test and measurement functions for industrial inspection purposes.
specifications testmultimeters:
- brand: Calrad
- mpn: Tk-20k
- part type: Multimeter Meter
- form factor: Handheld
- test/measurement functions: Ac Voltage
- ip rating: Not Rated
- features: Vintage
- country/region of manufacture: United States
- display: Analog
payments testmultimeters:
- wallet: apple-pay
- credit card: mastercard
- other
seller testmultimeters:
- city: schoolcraft, michigan
- rating: 100.0%
- # reviews: 615
returns testmultimeters:
- paid by: buyer
- policy: returns accepted
- time: 30 days
- method: money back
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
offer testmultimeters:
- availability: in stock
- started: july 29, 2025
- prices: $18.00–$29.99
- item condition:
- Used
- For parts or not working
- sold #: 15
- best offers: true
- options: ship-to-home
- in stock #: 5
shipping testmultimeters:
- service: usps ground advantage
- carrier: usps
- class: standard
- type: calculated
- transit: 3-8 days







