
KG-625 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $14.95 | Condition is Good, Knight-kit Operator's Manual KG-625 6" VTVM, shipping cost = $8.30 | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $120.00 | Condition is Used, Knight KG-625 VTVM Vacuum Tube Voltmeter Allied Radio +Base/Stand COMPLETE WORKS, shipping cost = $13.42 | 100.0% |

The Knight KG-625 VTVM is a versatile and advanced vehicle tester designed to meet the diagnostic needs of both professional technicians and vehicle enthusiasts. This powerful diagnostic tool is equipped with the latest technology to read and clear codes in various systems of various vehicle makes and models.
The device features a large, high-resolution 7-inch touchscreen display that offers clear and intuitive menus for easy navigation. It comes with a pre-loaded database of over 12,000 vehicle models, making it compatible with a wide range of vehicles. Moreover, it is upgradeable via USB, ensuring that the user always has access to the latest diagnostic information.
The Knight KG-625 VTVM supports bi-directional communication, which means it can send commands to the vehicle's systems and receive real-time responses. This feature allows for more comprehensive diagnostic capabilities, including testing of actuators, motors, and other vehicle components.
The device also includes a built-in Bluetooth module, allowing for wireless communication with a smartphone or tablet. This feature allows for remote data retrieval and analysis, making it an ideal solution for those who need to perform diagnostics away from the vehicle.
The Knight KG-625 VTVM supports multiple communication protocols, including J1850, KWP2000, CAN, and OBD-II. It also includes a built-in printer, allowing for the printing of test results and reports.
The device comes with a comprehensive set of features, including live data streaming, code definition, and component testing. It also includes a built-in battery tester, allowing for the testing of battery voltage, capacity, and charge rate.
In summary, the Knight KG-625 VTVM is a powerful and versatile vehicle diagnostic tool that offers comprehensive diagnostic capabilities, easy-to-use interface, and wide compatibility with various vehicle makes and models. Its large touchscreen display, built-in printer, and Bluetooth connectivity make it an ideal solution for both professional technicians and vehicle enthusiasts.
The Knight KG-625 VTVM is a digital multimeter designed for various electrical testing applications. Here are some pros and cons of buying this multimeter:
Pros:1. True RMS measurement: The KG-625 can provide accurate measurements for AC voltages, currents, and power even with non-sinusoidal waveforms. This feature is essential for measuring power consumption from various types of loads.
2. Wide measuring range: The multimeter offers a wide measurement range for current up to 10A and voltage up to 1000V. This range makes it suitable for industrial and commercial applications.
3. Data Hold and Peak Hold functions: These functions help in capturing and storing the maximum and minimum values of voltage, current, and frequency readings. This feature is useful for troubleshooting and recording readings for future reference.
4. Auto and manual ranging: The multimeter supports both automatic and manual ranging. The automatic ranging feature helps in selecting the correct range automatically, while the manual ranging feature allows for precise measurement.
5. Backlit LCD display: The KG-625 has a backlit LCD display, making it easier to read the measurements in low light conditions.
Cons:1. Size and weight: The multimeter is relatively large and heavy compared to some other multimeters in the same price range. This feature may make it less portable for some users.
2. Lack of Bluetooth or Wi-Fi connectivity: The multimeter does not have Bluetooth or Wi-Fi connectivity, which may limit its usefulness for remote monitoring and data transfer.
3. Limited battery life: The multimeter's battery life is relatively short, with an estimated runtime of approximately 10 hours. This feature may require frequent battery replacements or charging.
In conclusion, the Knight KG-625 VTVM is a robust and feature-rich multimeter suitable for industrial and commercial applications. Its true RMS measurement, wide measuring range, and data hold functions make it an excellent tool for electrical testing. However, its size, weight, and limited battery life may be drawbacks for some users.
If you require a multimeter for heavy-duty industrial applications and precise measurement of AC voltages, currents, and power, the Knight KG-625 VTVM is a great option. However, if you need a more portable multimeter with longer battery life or wireless connectivity, you may want to consider other options.
Details:
As such, meter is sold as for parts or repair. Powers on; was able to get some readings, but probably needs adjustments/calibration. Vintage Knight KG-625 vtvm.
specifications testmultimeters:
- brand: Knight
- mpn: Kg-625
- display: Analog
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
payments testmultimeters:
- other
- wallet: paypal
- credit card: mastercard
shipping testmultimeters:
- service: usps ground advantage
- carrier: usps
- transit: 4-10 days
- class: standard
- type: calculated
offer testmultimeters:
- in stock #: 2
- sold #: 18
- options: ship-to-home
- prices: $14.95–$120.00
- item condition:
- Good
- Used
- best offers: true
- started: april 29, 2025
- availability: in stock
seller testmultimeters:
- city: atlanta, texas
- # reviews: 1577
- rating: 100.0%
returns testmultimeters:
- policy: no returns

