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The MS5407 SMD pressure sensor series is designed for pressure sensor systems with highest demands on resolution and accuracy. The device consists of a silicon micromachined pressure sensor die mounted on a 6.2 x 6.4 mm ceramic carrier protected by a metal cap. The MS5407 can be delivered in a highly sensitive version giving a maximal output voltage or in a highly linear version giving a linear output voltage directly proportional to the applied pressure.
Features
* 0 to 7 bar full scale absolute range (101.5 PSI)
* Low cost SMD ceramic package
* Small size 6.2 x 6.4 mm
* High sensitivity (MS5407-AM), span of 240mV @5V
* Overpressure 20 bars
* Uncompensated
* -40°C to +125°C
* High reliability, low drift
* Optional gel protection
* Pb-free & RoHS-compatible
Applications
* Absolute Pressure sensor systems
* High resolution Altimeters, Barometers
* Variometers
* Engine Control
* Diving computer
* Tire pressure
HUMIDITY, WATER PROTECTION
The MS54XX carries an anticorrosive and antimagnetic stainless steel protection cap filled with silicone gel for
enhanced protection against humidity. The properties of this gel ensure function of the sensor even when in
direct water contact. This feature can be useful for waterproof watches or other applications, where direct water
contact cannot be avoided. Nevertheless the user should avoid drying of hard materials like for example salt
particles on the silicone gel surface. In this case it is better to rinse with clean water afterwards. Special care
has to be taken to not mechanically damage the gel. Damaged gel could lead to air entrapment and
consequently to unstable sensor signal, especially if the damage is close to the sensor surface.
The metal cap is fabricated of special anticorrosive stainless steel in order to avoid any corrosive battery effects
inside the final product. The MS5401-BM are qualified referring to the ISO Standard 2281 and can withstand a
pressure of 11 bar in salt water. The concentration of the see water used for the qualification is 41 g of see salt
for 1 litre of DI water. The MS5407-AM did also pass the salt-water test with a pressure capability of 21 bar
respectively.
For underwater operations as specified in ISO Standard 2281 it is important to seal the sensor with a rubber Oring
around the metal cap. Any salt water coming to the contact side (ceramic and pads) of the sensor could
lead to permanent damage. Especially for "water-resistant 100 m" watches and for diving computers, it is
recommended to provide a stable mechanical pusher from the backside of the sensor. Otherwise the
overpressure might push the sensor backwards and even bend the electronic board on which the sensor is
mounted.
Unless recorded delivery is used I will not be held liable for lost post. I always keep proof that I have posted items
I combine postage costs for multiple purchases please wait for an invoice before payment
Any questions please feel free to ask
Thanks for looking
00052
Shipping and handling
Ships to
Worldwide
*Sellers are not responsible for service transit time. This information is provided by the carrier and excludes weekends and holidays. Note that transit times may vary, particularly during peak periods.
Return policy
Item must be returned within:
14 Days of receipt
Return policy details:
Returns only accepted if the sensor is unused and no damage to the silicone gel.
International buyers please note unless recorded delivery is used I will not be held liable for lost post. I always obtain proof of postage if you do not agree to this then please do not bid.
Thanks
Daniel
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