
9390HUM Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $810.00 | Condition is Used, HD Electric HALO II True RMS HV Digital Ammeter. Type: 9390HUM. Made in USA, FREE SHIPPING | 100.0% |
![]() | $989.99 | Condition is Used, HD Electric HALO II True RMS HV Digital Ammeter. Type: 9390, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $500.00 | Top Pick! Condition is New – Open box, HD Electric HALO II True RMS HV Digital Ammeter. Type: 9390, shipping cost = $11.72 | 100.0% |

The Hum Halo HV Digital Ammeter Model 9390 is an advanced electrical measuring tool designed for professionals and DIY enthusiasts seeking high accuracy and ease of use. This ammeter is specifically engineered for measuring alternating current (AC) and direct current (DC) in the range of 90 Amperes.
The 9390 model features a high-resolution, backlit LCD display with a blue halo illumination ring for enhanced visibility in low-light conditions. The digital readout offers clear and precise measurements, ensuring that users can accurately diagnose electrical issues.
This ammeter is designed with a robust housing made from high-impact, thermoplastic material, making it resilient against shock and vibration. It also comes equipped with a protective rubber boot, providing an extra layer of protection from accidental drops or impacts.
The Hum Halo HV Digital Ammeter 9390 includes a versatile range of features, including a peak hold function, which captures and holds the maximum value of the current flow. This function is particularly useful when working in situations where intermittent currents are present.
Moreover, the 9390 model is equipped with a high voltage warning feature, which alerts users when they come into contact with voltages exceeding 30V. This safety feature helps prevent accidents and adds an extra layer of protection when working with electrical systems.
The Hum Halo HV Digital Ammeter 9390 is designed with a user-friendly interface, making it easy for users to navigate and obtain accurate measurements. The ammeter comes with a set of test leads, allowing users to connect the device to various electrical systems with ease.
In summary, the Hum Halo HV Digital Ammeter 9390 is an essential tool for professionals and DIY enthusiasts seeking a high-precision, easy-to-use, and versatile electrical measuring device. Its robust design, advanced features, and clear digital readout make it an indispensable addition to any workshop or electrical diagnostic toolkit.
Pros and Cons of buying a Hum Halo HV Digital Ammeter Model 9390
The Hum Halo HV Digital Ammeter Model 9390 is a popular choice for those seeking an accurate and easy-to-read ammeter for their vehicles or projects. This device offers several advantages, but like any other product, it also comes with some potential drawbacks. In this assessment, we will discuss the key pros and cons of purchasing a Hum Halo HV Digital Ammeter Model 9390.
Pros:1. High accuracy: The Hum Halo HV Digital Ammeter Model 9390 is known for its high accuracy, allowing users to monitor their electrical systems with confidence.
2. Wide voltage range: This ammeter can handle a wide voltage range, making it suitable for various applications, including heavy-duty vehicles and industrial projects.
3. Easy-to-read display: The large, backlit display makes it easy to read the amperage and other vital information, even in dimly lit environments.
4. Robust construction: The ammeter features a durable, waterproof housing, ensuring it can withstand harsh conditions and prolonged usage.
5. Versatile: The Hum Halo HV Digital Ammeter Model 9390 can be used for various applications, such as monitoring battery health, charging systems, and electrical loads.
Cons:1. Complex installation: Installing the Hum Halo HV Digital Ammeter Model 9390 may require some technical knowledge, particularly when connecting it to the vehicle's electrical system.
2. Limited additional features: Compared to more advanced meters, this ammeter does not offer features like data logging or Bluetooth connectivity, which some users might find useful.
3. Size: The Hum Halo HV Digital Ammeter Model 9390 is slightly larger than some other options in its class, which could make it less suitable for those with limited space.
Conclusion:The Hum Halo HV Digital Ammeter Model 9390 is a high-performance, accurate, and versatile option for those seeking a reliable ammeter for their vehicle or project. Its robust construction, wide voltage range, and easy-to-read display make it an excellent choice for various applications. However, its complex installation process and lack of advanced features may deter some users. Ultimately, the Hum Halo HV Digital Ammeter Model 9390 is an excellent investment for those who prioritize accuracy and durability over advanced features and ease of installation.
Recommendation:If you are looking for a high-performance, accurate, and durable ammeter for your vehicle or project, the Hum Halo HV Digital Ammeter Model 9390 is a strong recommendation. Its wide voltage range, easy-to-read display, and robust construction make it an ideal choice for those who value reliability and accuracy over advanced features and ease of installation. However, if you require advanced features or a simpler installation process, you might want to consider other options in the market.
Details:
Type: 9390 hd Electric halo ii true rms hv digital ammeter.
specifications testmultimeters:
- brand: Hd Electric
- mpn: 9390hum
- form factor: Handheld
- test/measurement functions: Ac Current, Dc Current
- ac voltage range: 2000vac
- features: High Ampere Rms Meter
- country of origin: United States
- display: Digital
shipping testmultimeters:
- type: calculated
- service: usps priority mail
- carrier: usps
- class: expedited
- transit: 3-7 days
returns testmultimeters:
- policy: no returns
seller testmultimeters:
- # reviews: 0
- rating: 0.0%
- city: joliet, illinois
payments testmultimeters:
- other
- wallet: paypal
- credit card: diners-club
offer testmultimeters:
- prices: $500.00–$989.99
- item condition:
- Used
- New – Open box
- in stock #: 3
- sold #: 12
- availability: in stock
- options: ship-to-home
- started: november 11, 2025
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
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