ACES Systems Z2021 – Cobra II 2-Channel Vibration & Balancing Analyzer
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Versatile and compact, the ACES Cobra II Z2021 is a 2-channel vibration and balancing analyzer that combines all of the diverse technologies required for high-end engine vibration analysis, rotor track and balance, and propeller balance into one tool. With the Cobra II, these maintenance functions can be easily performed on virtually any airframe and engine type, such as a 2-propeller airplane.
FEATURES
- Large Full-Color Screen
- The Cobra II has a large, high-resolution, transmissive, full-color display with a super-bright LED backlight that can be easily viewed in direct sunlight.
- PDF Reporting
- Generate PDF reports directly from the analyzer and store them on a USB flash drive to be printed or saved in a separate location to retain accurate maintenance records.
- Portable Convenience
- Data storage, transfer, display, and analysis are independent of any proprietary software and a PC interface. Application notes and eSetups are now available to download directly to the analyzer via the web.
- Solutions Generated
- The compact Cobra II dual-channel analyzer provides accurate solutions in the minimum number of runs, saving costly run time and fuel. Our solutions are extremely valuable tools that are not offered in similar vibration analysis and balancing instruments as standard features for this market.
- Warranty
- Industry-unique, no-cost, five-year warranty
This option ONLY includes the analyzer box.
SPECIFICATIONS
| Vibration Input: | 9.5V Pk-Pk, 0 to 240 IPS Peak with 20 mV per IPS sensor |
| Sensor Types: | Accepts any vibration signal input (acceleration, velocity, displacement) and any voltage-generating sensor. External charge amplifier required for charge mode. |
| Vibration Amplitude Accuracy: | ±1% across the frequency range |
| Frequency Range: | Selectable up to 30 kHz (1,800,000 RPM) |
| Tachometer Inputs: | Better than 1° phase accuracy – 60 to 10,000 RPM |
| Display: | 7" day/night readable color LCD display with super-bright LED backlight |
| Memory: | 1 GB Flash |
| Dimensions: | 10.5" W x 9.75" L x 5" D |
| Weight: | Approx. 6 lbs (2.8 kg) |
| Power Requirements: | Smart Li-Ion battery (internal), 87 Wh |
| Operating Time: | 8 hours |
| Charging Time: | 3 hours (approx.) |
| Vibration Channels: | 2 each |
| Tach / Mag Pickup: | 2 each |
| Trax Optical Tracker | 1 each |
| Strobe: | 1 each |
| USB Port: | 2 each |
| Phase Accuracy: | <1° |
| Balance Frequency: | 60 to 10,000 RPM,± 0.2% |
| Vibration Freq Range: | 0 to 30 kHz |
| Vibration Amplitude: | 0 to 240 IPS (peak), 20 mV / IPS |
| Dynamic Range: | 98 dB |
| Operating Temperature: | -4°F to 120°F (-20°C to +49°C) |
| Relative Humidity: | 10% to 85% (non-condensing) |
| AC Input: | The data acquisition system is capable of measuring AC values to 9.5V Peak-Peak. |
| Sensor Types: | The analyzer will accept any vibration signal input (acceleration, velocity, or displacement.) The input is then displayed as collected or integrated into any other vibration unit. The vibration input will accept any voltage-generating sensor (must have external charge converter when in charge mode) and will supply power to the sensor when required. The Cobra II only accepts acceleration or velocity inputs. |
| Analysis Range: | Anti-aliasing filters are used with a Fast Fourier Transform (FFT) to accurately transform data from the time to the frequency domain. The analyzer will perform FFT resolutions of 100, 200, 400, 800, 1600, and 3200 lines. |
| General Information | |
|---|---|
| Part # | Z2021 |
| Manufacturer | Aces Systems |
| Shipping Information | |
|---|---|
| Product Weight | 6 lbs. |
| Product Dimensions | 10 x 11 x 5 in. |
| Schedule B | 9031100000 |
| ECCN | 9B990 |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* |
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QUESTIONS & ANSWERS
The ACES Systems Z2021 – Cobra II Analyzer is designed for use on virtually any airframe and engine type, from piston aircraft to turbines and helicopters. It can perform propeller balancing, main and tail rotor track and balance, as well as vibration analysis across a wide range of models. Its flexibility makes it a go-to solution for maintenance crews servicing mixed fleets.
The Cobra II uses an ACES AI Learning Algorithm that generates accurate balance and vibration solutions in the fewest possible runs. This reduces engine runtime, saves fuel, and minimizes downtime. Over time, its self-improving software refines results for even faster, more consistent balancing performance.
Yes. The Cobra II allows technicians to generate PDF reports directly from the analyzer, storing them on a USB flash drive for easy printing or digital recordkeeping. This feature simplifies documentation and ensures compliance with aviation maintenance standards.
No, the Cobra II Analyzer functions independently of any PC or proprietary software. Data review, analysis, and transfer can all be performed on the device itself, which features a high-resolution color display for use in the field. This standalone capability makes it ideal for remote operations or ramp-side maintenance.
The Cobra II Analyzer accepts vibration signal inputs for acceleration, velocity, and displacement, as well as any compatible voltage-generating sensors. For charge-mode accelerometers, an external charge amplifier is required. This flexibility allows use with a wide range of vibration sensors and aircraft maintenance configurations.
The Cobra II Analyzer is approved for use under the MORE (Maintenance On Reliable Engines) PT6 Program, enabling accurate vibration capture for PT6A engine compliance reporting. Maintenance teams can use the analyzer to record and store balance and vibration data that meets STC requirements under the MORE program.
The Cobra II can store hundreds of aircraft and engine setup profiles, enabling technicians to quickly recall previous configurations. This reduces setup time and ensures consistent data across repeat maintenance events. New airframes can easily be added using industry-standard polar charts.
The 7” day/night-readable color LCD display offers excellent visibility even in bright sunlight or dark hangars. It features a full spectral display with harmonic cursors that make vibration peaks easy to identify during analysis, providing test-cell accuracy from a portable device.
The analyzer maintains a vibration amplitude accuracy of ±1% across its frequency range, which can reach up to 30 kHz (1,800,000 RPM). This precision ensures reliable balancing and vibration diagnostics even under varying operational conditions.
Technicians can perform propeller balancing, main and tail rotor tracking, vibration surveys, and spectrum analysis using the Cobra II. It supports both single- and dual-channel vibration analysis for comprehensive aircraft diagnostics, streamlining multiple maintenance procedures into one device.
By identifying imbalance, misalignment, and vibration anomalies early, the Cobra II Analyzer helps prevent component wear and potential in-flight issues. Regular use during scheduled maintenance improves operational safety and enhances passenger comfort by reducing vibration levels.
