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Masimo's MS Boards are complete pulse oximeters, based on Masimo SET® technology, on circuit boards. These circuit boards interface directly to the LNOP® and LNCS® family of sensors, driving the LEDs in the sensors to acquire the patient signal, calculate SpO2 and pulse rate, and communicate the information off the boards.
| What are the physical sizes of MX/MS boards? |
Dimensions and specifications on the MX-1 board are as follows:
- Size = 2 inches by 3.5 inches
- Board thickness = 0.062 inches
- Mounting hole diameter = 0.125 inches
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Dimensions and specifications on the MS-13 board are as follows:
- Size = 2 inches by 2.5 inches
- Board thickness = 0.062 inches
- Top height = 0.2 inches
- Bottom height = 0.1 inches
- Mounting hole diameter = 0.13 inches
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Dimensions and specifications on the MS-11 board are as follows:
- Size = 2 inches by 3.5 inches
- Board thickness = 0.062 inches
- Top height = 0.2 inches
- Bottom height = 0.1 inches
- Mounting hole diameter = 0.13 inches
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Dimensions and specifications on the MS-7 board are as follows:
- Size = 2 inches by 3.5 inches
- Board thickness = 0.062 inches
- Top height = 0.2 inches
- Bottom height = 0.1 inches
- Mounting hole diameter = 0.13 inches
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Dimensions and specifications on the MS-5 board are as follows:
- Size = 2.4 inches by 3.65 inches
- Board thickness = 0.062 inches
- Top height = 0.2 inches
- Bottom height = 0.1 inches
- Mounting hole diameter = 0.13 inches
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Dimensions and specifications on the MS-3 board are as follows:
- Size = 3.13 inches by 3.83 inches
- Board thickness = 0.062 inches
- Top clearance = 0.375 inches
- Bottom clearance = 0.10 inches
- Mounting hole diameter = 0.187 inches
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Masimo MS Boards Powered By:  |
| What is the power requirement? |
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Masimo Boards
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Power Requirement
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MX-1 board
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The MX-1 board consumes approximately 500 milli watt typical power at +5 volts. |
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MS-13 board
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The MS-13 board consumes 125 milli watt typical power at +5 volts. |
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MS-11 board
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The MS-11 board consumes 125 milli watt typical power at +5 volts. |
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MS-7 board
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The MS-7 board consumes 225 milli watt typical power at +5 volts. |
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MX-1 board
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The MX-1 board consumes approximately 500 milli watt typical power at +5 volts. |
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MS-5 board
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The MS-5 board consumes 550 milli watt typical power at +5 volts. |
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MS-3 board
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The MS-3 board consumes 1.0 watt typical power at +5 and ±15 volts. |
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| Is a custom software communications protocol required with MS boards? |
| In order to interface to the MS boards, the host instrument must read and interpret the serial communications protocol. Although this protocol is specific to Masimo’s boards, it is a digital serial communications protocol and, to date, our partner companies have found it very straightforward to implement with a minimal amount of software and/or engineering time. |
| To what extent have EMC design considerations been employed in MS boards? |
The MS boards have been designed to comply with the International Electromagnetic Compliance Directive. To that end, signals with high frequency content have been routed to minimize loop lengths as much as possible. Ground planes have been laid out to maximize their effectiveness at shielding and curbing emission from the board. All signals that connect to the outside have been filtered to reduce their emissions and susceptibility.
These design features are no guarantee of compliance and, furthermore, the system that the board is installed in plays the major role in meeting the directive. However, Masimo has made a concentrated effort to try to make sure the board is not a limiting factor. The MS boards have been successfully installed in multiple end-customer instruments with these instruments meeting the required level of EMC performance to achieve all applicable regulatory requirements including CE marking. |
| What other assistance or support can Masimo provide? |
Masimo has developed a complete set of software and hardware tools aimed at simplifying the integration and validation of the MS boards in a “Host Instrument”. To date, our experience with multiple partner companies and their associated host instruments has been very positive, and we continue to refine our technology deployment process based on feedback from our partner companies.
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