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This is the CM3 Vibration and/or Noise Analyser, a high end and award winning compliance monitor for use on engineering and construction sites.
The CM3 provides the user with the ability to view and analyse live data trends on an online internet portal, which is accessible on any internet enabled device.
The CM3 offers accuracy levels to comply with both the noise at work standards and the vibration standards set by the HSE.
| Brand | Magus Electronics |
|---|---|
| Available Outside the UK? | Yes |
The CM3 Vibration and/or Noise Analyzer is very efficient for use in engineering and construction sites. Designed to provide fast, accurate and efficient method of ensuring compliance with limits to both noise at work and the vibration standards set by HSE, the CM3 provides users with the ability to view and analyze live data trends on an online internet portal, which is accessible on any internet enabled device. It also provides automatic unattended monitoring, and remote monitoring via modem with SMS alerts and multiple blast event storage in memory.
Full Remote Data Collection for Unattended Monitoring. The simplest and most reliable way to monitor your sites for compliance for both Noise and Vibration legislation. Available in Simultaneous (Vibration and Noise Type 1 Leqs) or Vibration/Noise Only.
Up to 7 channels With the ability to log in to the CM3 device it allows you a wide range of new features, Under configuration, you now have the ability to remotely change settings on the CM3 such as:
The great news is that you can select all the event parameters from this web page and even change the Leq measurements times on recorded data. For example, say you select 5 minute tables and L10, L90. Clicking table or event data will give you the results over the period selected for these Leq’s. Then, if you change the Leq periods (say a table of 1 hour and L1,L10,L30,L50 and L90), and reselect the event data or table data, the same period of data will now show the new selected Leq values. This gives you the option to ‘change your mind’ after the monitoring has been recorded.
| Input Ranges | Technical Specification | Values |
| Vibration | Velocity | 0.01 to 99.8mm/S |
| Resolution | 0.01mm/S | |
| Noise | Range | 60 dB (10dB below base 50dB above base) minimum |
| Base Selectable | 20, 40, 60, 80, 100. | |
| Resolution | 0.1dB accuracy 0.5dB Meeting Type 1 Precision grade | |
| Standard Values | Leq, Lmax, Leq5, Percentiles: L10 L90. Factory option: L1 |
Trigger Level | Technical Specification | Values |
| User Selectable | Vibration | 0.1 to 100mm/S Velocity |
| Sound/ AOP | dB Above Meter base (Linear) (ON or OFF) |
| Cut off Delay | Values |
| User Selectable | from 0.1 to 1 second. Used to reduce event length if event falls below trigger level for more than selected delay. |
| Sampling Rate | Values |
| Vibration | User-selectable from 200 to 1000Hz. Impulse mode only. |
| Frequency Response | Values |
| Vibration | 0.5Hz TO 1KHz, with standard accelerometers. |
| Noise | A or C weighted, Linear for Air Overpressure to IEC651. |
| Memory | Values |
| Event Data Ram | 384KB. Option of 32GB. Protected by a separate battery. User information store for 4 fields, 12 characters/field. All user-selected options have separate data retention for up to 10 years after each event save. |
| Standard Channels | Values |
| Vibration Only | 3 Channels (1 triaxial or 3 single axis transducers) OR 6 Channels (2 triaxial or 6 single axis transducers) |
| Noise Only | Single Channel, Type 1 Precision Grade microphone |
| Simultaneous Noise and Vibration | 4 or 7 Channels (1 Noise Channel + 3 or 6 Channels of Vibration). |
| Print-out (user selectable) | Values |
| None | Only valid with PC or Flash Card Option. |
| Block Results | Values |
| Vibration | Displacement, Acceleration, Velocity, Frequency, Resultant Velocity. |
| Noise | Air Overpressure (Leq in the Continuous Mode): Leqs of Overall, Max 5 min, Leq(interval), Max 5 (interval), L10, L90 Percentiles, LMAX. Additional user definable interval for Leq, Max 5 min Leq, L10, L90 in Sound only mode. SPL mode (from Calibration menu). |
| Full | As Block results with additional user data, Velocity and Air Overpressure graphs or PPV and Leq Histograms. |
| Transducers | Values |
| Vibration | TA1 (3 accelerometers mounted triaxially) or VT1 (single accelerometer) as required. Cable lengths unlimited (POA) |
| Noise | Type 1 Precision Grade Microphone for Leq noise. Linear sub 4Hz for Air Overpressure data. Remote mounting up to 10M. |
| Standards | Values |
| Vibration | BS6472, BS7385, BS6955 and DIN 4150. |
| Noise | BS4142, IEC651, BS5228, BS5969 and ANSI S1.4 Type 1. |
