
ACM-3 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $299.00 | Top Pick! Condition is Open box, RDL DCF-100MB use with ACM-3 Noise Monitor, shipping cost = $8.06 | 100.0% |
![]() | $899.99 | Condition is Open box, New RDL ACM-3 Amplitude Component Monitor No Box, shipping cost = $7.90 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $290.00 | Top Pick! Condition is Used, RDL ACM-3 Amplitude Component Monitor, shipping cost = $10.00 | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $483.53 | Condition is New, RDL DCF-100MB ACM Detector for use with ACM-3 Noise Monitor, FREE SHIPPING | 99.8% |
![]() | $1427.60 | Top Pick! Condition is New, RDL ACM-3 Amplitude Component Monitor, FREE SHIPPING | 99.8% |

The RDL ACM-3 Amplitude Monitor Box is a high-performance, compact, and versatile solution designed for monitoring and controlling AC line voltage and current levels in professional audio, broadcast, and other applications. This crucial piece of equipment is engineered to deliver accurate and reliable readings, ensuring optimal performance and protection for your sensitive audio equipment and electrical systems.
The ACM-3 is housed in a rugged, 1RU rackmount enclosure that offers a sleek and modern design as well as excellent durability. Its front panel is home to a clear orange seven-segment LED display, which provides an easy-to-read representation of the instantaneous line voltage, line current, and two selectable peak readings for each channel. Each channel can be individually enabled or disabled, enabling customizable monitoring arrangements.
Beneath the standard meters, the ACM-3 features 12 additional theta-function-style bar graph meters, allowing for an instant visual assessment of voltage and current levels across a wide range. These meters offer both constant and peak indication, making it easy to monitor trends and detect potential issues.
The ACM-3 is equipped with a range of input options, including NuNeutrik or IEC power locks and NEMA socket types, catering to various power requirements and connections. Three input voltage ranges are supported: 100 - 277 volts, 220 - 240 volts, and 208 - 277 volts. This adaptability ensures compatibility with diverse applications and power systems.
The ACM-3 Amplitude Monitor Box is also outfitted with an extensive set of display and connectivity options. These include a remote a front-panel control, four 3.5mm amplifier level alarm outputs, two USB WAV recorders, an RS-232 serial interface, and an Ethernet access point, allowing for easy integration with various audio control systems andwave file storage.
The device is housed in a robust steel chassis and boasts an isolated power supply and front panel Hewtight connectors. These features safeguard against electrical interference, ensuring precise, dependable monitoring of AC line voltage and current levels.With its advanced features, durable build quality, and comprehensive input and output capabilities, the RDL ACM-3 Amplitude Monitor Box is an indispensable tool for professionals in need of accurate, reliable, and convenient monitoring in demanding audio, broadcast, and other applications.
The RDL ACM-3 Amplitude Monitor is a versatile instrument designed to measure and display the amplitude of AC signals, making it suitable for various applications in electrical systems. Below are some pros and cons that can help guide your decision on whether to purchase this instrument.
Pros:1. Wide Measuring Range: The RDL ACM-3 can measure AC amplitudes ranging from 0.1 to 600 Volts, making it a suitable instrument for a broad range of applications.
2. Rugged Design: With an all-metal enclosure, this instrument is built to withstand harsh environments, ensuring reliable operation in industrial settings.
3. Adjustable Ranges: The ACM-3 offers selectable measurement ranges to suit different applications, ensuring accurate readings.
4. Easy-to-Read Display: The large, high-contrast LED display shows clear readings and alerts with big, easy-to-understand digits.
5. Remote Control: The instrument comes with a remote control unit for added convenience and safety in operating the instrument from a distance.
Cons:1. Cost: The RDL ACM-3 is on the higher end of the price spectrum compared to some other amplitude monitors in the market.
2. Complex Setup & Calibration: The instrument may require some expertise to set up and calibrate for specific applications, which could be a challenge for some users.
3. Size & Weight: The all-metal design and the inclusion of a large display result in a heavier and bulkier instrument compared to some other models.
Conclusion:The RDL ACM-3 Amplitude Monitor offers excellent features such as a wide measuring range, rugged design, easy-to-read display, adjustable ranges, and remote control, making it an attractive choice for professionals seeking a reliable and versatile instrument to measure AC amplitudes. However, its relatively high cost, complex setup, and bulky size may deter some potential buyers.
Recommendation:If you require a rugged, high-performance amplitude monitor with a wide measuring range and easy-to-read display, the RDL ACM-3 Amplitude Monitor is an excellent option for your industrial or electrical applications. Considerfactoring the cost and potential setup complexity into your budget and planning. If these factors are not a concern, the RDL ACM-3 should serve you well. If you're looking for a more budget-friendly option, you might want to explore other brands and models with similar features.
Details:
Maximize performance from your FM transmitter. New Rdl ACM-3 amplitude component monitor no box. Mount using Ru series mounting options. Maintain positive control of multi path artifacts.
Reduce sub carrier crosswalk. Maintain clarity. Maximize loudness. Assure consistency of your signal coverage.
Maximize stereo separation.
specifications vidioaudio:
- brand: Rdl
- mpn: Acm-3
- type: Video Test Signal Generators
shipping vidioaudio:
- class: standard
- transit: 5-10 days
- service: usps ground advantage
- carrier: usps
- type: calculated
returns vidioaudio:
- policy: no returns
general vidioaudio:
- category: Electronics > Tv, Video Home Audio
payments vidioaudio:
- wallet: apple-pay
- other
- credit card: mastercard
offer vidioaudio:
- prices: $290.00–$1427.60
- item condition:
- Open box
- Used
- New
- started: january 18, 2025
- availability: in stock
- in stock #: 5
- sold #: 20
- options: ship-to-home
seller vidioaudio:
- city: des moines, iowa
- rating: 100.0%
- # reviews: 12
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