Overview

The Daiwa CN-501V VHF/UHF Bench Meter is a versatile tool designed for amateur radio enthusiasts and technicians. This VHF/UHF SWR/power meter measures both forward and reflected power along with SWR, all in one compact device. It covers a broad frequency range of 140-525 MHz, making it suitable for various radio communication setups. The easy-to-read cross-needle display simplifies monitoring, ensuring that users can track multiple measurements at once. This SWR meter is ideal for those looking for an all-in-one solution to monitor their radio system’s performance.

Features & Benefits

One of the key benefits of this VHF/UHF power meter is its switchable 20W/200W full-scale readings, providing flexibility depending on your measurement needs. The built-in lamp allows for easy use in low-light conditions, though it requires an external 13.8 VDC power source. Thanks to its cross-needle movement, there's no need for additional calibration, making it incredibly user-friendly. The durable UHF female connectors ensure a reliable connection, while the compact design makes it portable enough for both field and home setups.

Best For

The Daiwa CN-501V is best suited for amateur radio operators working within the VHF/UHF bands. Its simple design and clear readings make it an excellent choice for both experienced technicians and beginners. Anyone needing a reliable power meter to measure forward power, reflected power, and SWR simultaneously will find it extremely useful. Additionally, this power meter is ideal for those who want a straightforward setup without the hassle of complex configurations.

User Feedback

Users consistently praise this SWV/power meter for its accuracy and ease of use. Many appreciate its versatility in different settings, from fieldwork to home installations. However, some reviews mention that the lack of an internal power source for the lamp can be inconvenient, as it requires an external 13.8 VDC power supply. Despite this, the overall feedback highlights the reliable power readings and the ease with which the device can be operated. This model remains a popular choice for radio enthusiasts.

Pros

  • Easy to use for both field and home setups, making it ideal for amateur radio operators.
  • Switchable 20W/200W power range provides versatility for various measurement needs.
  • Clear and readable cross-needle display, ensuring accurate measurements in any lighting.
  • No calibration required for power and SWR readings, saving time during setup.
  • Durable UHF female connectors ensure reliable, secure connections for long-term use.
  • The compact design makes it easy to transport and set up in different environments.

Cons

  • The built-in lamp requires an external 13.8 VDC power source, limiting its portability in some situations.
  • Some users find the lack of an internal power source for the lamp inconvenient for fieldwork.
  • The device's maximum power rating may not be sufficient for users with higher power requirements.
  • Its relatively basic feature set may not meet the needs of advanced users looking for more detailed measurements.
  • Not designed for heavy-duty or industrial environments, limiting its durability in rugged settings.

Ratings

After analyzing verified user reviews from multiple global sources, the Daiwa CN-501V VHF/UHF Bench Meter stands out for its accuracy, reliability, and ease of use in a variety of settings. User feedback across different platforms highlights both its strengths and areas for improvement. We filtered out spam, bot, incentivized, and off-topic reviews to ensure only high-quality, authentic insights shaped these scores, giving you a clear understanding of this product's real-world performance.

Measurement Accuracy
91%
Users are consistently impressed with the accuracy of the power and SWR readings. Many buyers highlight that the device provides reliable, precise results, even in field setups. The ability to measure both forward and reflected power at once has proven particularly useful for ensuring consistent performance in radio applications.
Some users have mentioned that the accuracy can sometimes be affected by the external environment, particularly when using the meter in highly reflective areas. A few also noted that achieving the best results may require additional adjustments when testing at the extremes of the power range.
Ease of Use
87%
The simplicity of this meter is a standout feature. Many users appreciate how easy it is to operate without needing advanced technical knowledge. The clear cross-needle display and straightforward functionality make it especially user-friendly for both beginners and seasoned technicians.
However, some buyers pointed out that the lack of more detailed instructions can make setup slightly confusing for first-time users. While the basics are easy to grasp, more complex features may require additional research or a learning curve for new users.
Power Measurement Versatility
90%
The ability to switch between the 20W and 200W power scales provides excellent versatility. This is appreciated by users who work across different radio setups and require the flexibility to measure both low and high power without changing equipment. Many also find the consistent performance at both scales to be a great benefit.
A small number of users mentioned that the switch between scales could be a bit tricky during active use. In some cases, switching power levels rapidly led to slight calibration discrepancies, which might be a concern for users requiring absolute precision across all measurements.
Build Quality
85%
The solid, durable construction of this VHF/UHF power meter is often praised by users. It's built to last, with sturdy UHF female connectors that ensure secure connections even with frequent handling. Many report that it can withstand the wear and tear of regular field use without showing significant signs of damage.
However, a few users have pointed out that the overall build quality could feel a bit light, particularly when compared to more robust, professional-grade meters. Some also noted that the plastic housing might not be as durable in very rough environments.
Display Clarity
88%
The cross-needle display is widely regarded for its clarity and ease of interpretation. Users mention that it allows for quick and accurate readings without straining the eyes. The layout is simple, making it easy to track both forward and reflected power simultaneously, which is a huge benefit in a busy work environment.
A few reviewers have expressed that the display can be difficult to read in very bright lighting conditions. Some also noted that the needle could be hard to read from certain angles, which could be a limitation for those working in less-than-ideal lighting.
Reliability Over Time
82%
18%
This device is generally viewed as reliable, with many users noting it performs well across a variety of radio setups. For those who rely on continuous power and SWR readings, the meter has proven to hold up well over time without significant calibration drift. Many also appreciate that the device stays accurate after prolonged use.
Some users have mentioned that after extended periods of use, the readings can occasionally become inconsistent, particularly with the built-in lamp functionality. Additionally, a few have pointed out that the accuracy might degrade slightly over time if the device is frequently exposed to harsh environmental conditions.
Low-Light Usability
80%
20%
The built-in lamp, which is powered by an external 13.8 VDC source, is a handy feature for low-light environments. Users often mention how it improves visibility, making it easier to read measurements in poorly lit areas, such as during fieldwork or in dimly lit rooms.
However, the external power requirement for the lamp has caused some frustration among users. A few reviews noted that relying on an additional power source for the lamp can be cumbersome, especially when working in places where an external power supply isn't readily available.
External Power Requirement
60%
40%
The device's external power requirement is clearly stated, and many users appreciate the flexibility it offers in terms of reducing internal power consumption. The 13.8 VDC power source is compatible with most radio setups, ensuring a stable power supply for extended use.
The need for an external power source for the built-in lamp has been one of the most commonly mentioned drawbacks. Users express that it's inconvenient, especially for those working in mobile setups or in areas where access to external power is limited. This is a significant downside for some, given that other similar devices often come with built-in rechargeable batteries.
Ease of Setup
92%
Users consistently highlight the ease of setup as one of this meter's strongest points. With no need for complicated installation or calibration, it's ready for use right out of the box. The straightforward design makes it a great option for those who prefer minimal setup time.
While the setup is simple, some buyers mentioned that the lack of a detailed user manual could create minor confusion for users unfamiliar with similar equipment. Despite this, the setup process itself remains user-friendly overall.
Portability
84%
The compact size and relatively light weight make this power meter easy to transport and use in various environments. Users find it convenient for on-the-go use, especially in outdoor or remote locations where portability is essential.
Some users have mentioned that while the meter is portable, it still feels a bit bulky when packed alongside other equipment. Additionally, the lack of a built-in carrying case makes transporting the device a bit more cumbersome for some.
Overall Value for Money
93%
Most buyers feel that this power meter offers excellent value for the price. It combines accuracy, ease of use, and versatility in a single, reliable package. For users in need of a dependable power and SWR meter without breaking the bank, it provides strong performance at a competitive price.
The biggest downside noted by some users is the external power requirement for the lamp. While the device is otherwise solid, this limitation detracts from its overall convenience and reduces its value in certain mobile or field settings.
Customer Support
78%
22%
When contacted, the customer support team is reported to be knowledgeable and responsive. Several users appreciated that they received timely assistance when needing clarification on the product or troubleshooting issues.
However, a few users mentioned delays in response times and difficulty reaching the support team during off-hours. There were also complaints regarding the lack of clear troubleshooting information available online for common issues.

Suitable for:

The Daiwa CN-501V VHF/UHF Bench Meter is ideal for amateur radio operators and technicians who need a reliable, easy-to-use power and SWR meter. This device is especially beneficial for users who value straightforward setups with minimal calibration, allowing for quick and accurate measurements of both forward and reflected power. The switchable 20W/200W power range provides flexibility, making it suitable for a wide range of power levels in various VHF/UHF frequencies. Its compact design and clear cross-needle display are appreciated by those who need to take measurements in different settings, whether at home or on location. Overall, it's a great choice for those seeking a user-friendly and versatile meter for basic power measurements.

Not suitable for:

While the Daiwa CN-501V is well-suited for general use, it's not the best option for users who require more advanced features or complete portability. The external power requirement for the built-in lamp may be inconvenient for those working in field setups where access to a 13.8 VDC power source is limited. Additionally, individuals who need high-precision readings in extreme conditions might find that this device's performance can be slightly affected in certain environments. Users looking for an integrated power source or additional features such as data logging might also be disappointed, as this meter focuses more on simplicity and essential measurements.

Specifications

  • Frequency Range: Operates in the 140-525 MHz frequency range for VHF/UHF measurements.
  • Power Range: Switchable power scale between 20W and 200W for flexible power measurement.
  • Power Rating: Supports a maximum power rating of 200W for both forward and reflected power.
  • Impedance: Designed for a standard impedance of 50 ohms, suitable for most radio setups.
  • Connectors: Equipped with durable UHF female connectors for secure, reliable connections.
  • Built-in Lamp: Includes a built-in lamp for visibility in low-light conditions, requiring 13.8 VDC external power.
  • Display Type: Features an easy-to-read cross-needle display for simultaneous power and SWR measurements.
  • Cross-Needle Movement: Utilizes cross-needle movement for accurate real-time readings of forward power, reflected power, and SWR.
  • Dimensions: Compact design with dimensions of 7 x 5 x 4 inches for easy portability.
  • Weight: Weighs 1.89 lbs, making it lightweight and easy to transport.
  • Setup: Simple to set up with no additional calibration required, thanks to automatic cross-needle movement.
  • Application: Ideal for use by amateur radio operators and technicians working with VHF/UHF frequencies.
  • Power Supply: Requires an external 13.8 VDC power supply to operate the built-in lamp.
  • Compatibility: Compatible with most VHF/UHF radio systems and equipment.
  • Durability: Built with a robust design and durable connectors for reliable long-term use.
  • Accuracy: Known for highly accurate power and SWR readings in both field and home setups.

FAQ

To use this device, connect it between your transmitter and antenna, ensuring the UHF female connectors are securely attached. Then, simply switch between the 20W and 200W scales to measure forward and reflected power, along with SWR. The easy-to-read cross-needle display provides real-time measurements.

The Daiwa CN-501V offers a switchable power range between 20W and 200W, allowing for versatile power measurement depending on your system's needs.

No additional calibration is needed. The cross-needle movement of the device automatically adjusts for accurate power and SWR readings, making setup quick and easy.

No, the built-in lamp requires an external 13.8 VDC power source to operate. This is an important consideration if you plan to use it in environments without easy access to an external power supply.

This device operates in the 140-525 MHz frequency range, making it suitable for VHF/UHF radio operators and technicians who work within these frequencies.

Yes, the compact design of this power meter (7 x 5 x 4 inches) and its relatively lightweight build (1.89 lbs) make it portable and easy to carry for both field and home use.

While the Daiwa CN-501V supports up to 200W, it may not be suitable for systems that require more power. If you're working with higher power levels, consider a meter with a higher power rating.

Users generally report that this device provides reliable and accurate readings for both forward and reflected power, as well as SWR, making it a trusted tool for most VHF/UHF applications.

The device features durable UHF female connectors, which are widely used for VHF/UHF radio equipment, ensuring secure and reliable connections.

A common concern is that the built-in lamp requires an external power source, which may not be convenient for all users, particularly in field conditions where a power supply may not be readily available.