Pressure Sensors

Measurement Specialties' digital pressure sensor modules and analog pressure sensor modules are signal conditioned and temperature compensated and are available in small footprints for lightweight applications. Standard interfaces include SPI or I²C but may be configured for other outputs. Our sensor modules can operate on as little as 1.8V.

MS5535-30C

Applications: Mobile water depth measurement systems, Diving computers and diving watches

Datasheet: MS5535-30C

Description: The MS5535-30C is a high-pressure version of MS5535C pressure sensor module. It contains a precision piezoresistive pressure sensor and an ADC-Interface IC. It uses an antimagnetic polished stainless ring for sealing O-ring. It provides a 16 Bit data word from a pressure and temperature dependent voltage. Additionally the module contains 6 readable coefficients for a highly accurate software calibration of the sensor. MS5535- 30C is a low power, low voltage device with automatic power down (ON/OFF) switching. A 3-wire interface is used for all communications with a microcontroller.

Features:

• Resolution 3.0 mBar
• Supply voltage 2.2V to 3.6V
• Low supply current < 5uA
• Standy current < 0.1µA
• -40°C to +125°C operation temperature
• 16 Bit ADC resolution pressure measurement and control systems

MS5535C

Applications: Mobile water depth measurement systems, Diving computers and divers watches

Datasheet: MS5535C

Description: The MS5535C is a SMD-hybrid device including a piezoresistive pressure sensor and an ADC-Interface IC. It provides a 16-bit data word from a pressure and temperature dependent voltage. Additionally the module contains 6 readable coefficients for a highly accurate software calibration of the sensor. MS5535C is a low power, low voltage device with automatic power down (ON/OFF) switching. A 3-wire interface is used for all communications with a microcontroller. The MS5535C is fully software compatible to the previous versions (MS5535A and MS5535B). Compared to the previous versions, the ESD sensitivity has been improved to 4kV on all pins.

Features:
• Integrated pressure sensor (9x9 mm)
• Pressure range 0-14 bar (200 PSI)
• 16 Bit ADC
• 6 coefficients for a software compensation stored on-chip
• 3-wire serial interface
• 1 system clock line (32.768 kHz)
• Temperature range -40..+125°C
• Low voltage (2.2 to 3.6V)
• Low power (Standby current: 0.1uA)
• Pb-free and RoHS-compatible
• Soldering profile: 240-250°C
• Low supply current
• No external components required

MS5536-60C

Applications: Liquid level metering, Medical application, Air flow measurement, HVAC application

Industries:

Replaces:

Datasheet: MS5536-60C

Description: MS5536-60C is a family of high-resolution factory calibrated pressure sensors. The devices include a piezoresistive pressure sensor and an ADC-Interface IC. The 3-wire serial interface ensures simple communication with any microcontroller. The devices provide digital pressure and temperature information as 16-Bit data word each. In addition 64-Bit of individually calibrated compensation coefficients are stored allowing for a highly accurate software compensation of process spread and temperature effects. The devices have a very low standby current and automatically enter power down mode after each conversion. The optimum compromise of refresh rate and average current consumption can be defined by the application software.

Features:

• 16-Bit ADC resolution
• Supply voltage 2.2V to 3.6V
• Low supply current
• No external components required

MS5536C

Applications: Medical application, Blood pressure meter, Air flow measurement, HVAC application

Datasheet: MS5536C

Description: MS5536C is a family of high-resolution factory calibrated pressure sensors. The devices include a piezoresistive pressure sensor and an ADC-Interface IC. The 3-wire serial interface ensures simple communication with any microcontroller. The devices provide digital pressure and temperature information as 16-Bit data word each. In addition 64-Bit of individually calibrated compensation coefficients are stored allowing for a highly accurate software compensation of process spread and temperature effects. The devices have a very low standby current and automatically enter power down mode after each conversion. The optimum compromise of refresh rate and average current consumption can be defined by the application software.

Features:
• Pressure range -400 to 1000 mbar (Optional -1000 to 400 mbar)
• 0.1 mbar resolution (16 bits)
• Factory Calibrated (coefficients for software compensation stored on-chip)
• 3-wire serial interface
• Low Voltage (2.2V to 3.6V)
• Low Power Consumption 5 uA typ.
• -40°C to +60°C
• Pb-free and RoHS-compatible

MS5541-30C

Applications: Diving computers and divers watches, Mobile water depth measurement systems

Datasheet: MS5541-30C

Description: The MS5541-30C is the high-pressure version of MS5541C pressure sensor module. It contains a precision piezoresistive pressure sensor and an improved version of the 16 Bit Micropower Sensor interface IC known from the MS5535C. The ESD sensitivity has been improved to 4kV on all pins. In addition to this the MS5541- 30C is from its outer dimensions compatible to the MS54xx series of pressure sensors. It uses an antimagnetic polished stainless steel ring for sealing with O-ring. The sensor provides 16 Bit pressure and temperature data via a 3 wire serial interface that can be easily interfaced with 4 Bit low power microcontrollers. 64 Bit of factory programmed PROM provides calibration data for a highly accurate pressure and temperature calculation.

Features:

• Resolution 3.0mBar
• Supply voltage 2.2V to 3.6V
• Operating current < 5µA
• Standy current < 0.1µA
• -40°C to +85°C
• No external components required

MS5541C

Applications: Mobile water depth measurement systems , Diving computers and divers watches

Datasheet: MS5541C

Description: The MS5541C is the miniature version of MS5535C pressure sensor module. It contains a precision piezoresistive pressure sensor and an improved version of the 16 Bit Micropower Sensor interface IC known from the MS5535C. Compared to the previous version the ESD sensitivity has been improved to 4kV on all pins. In addition to this the MS5541C is from its outer dimensions compatible to the MS54xx series of pressure sensors. It uses an antimagnetic polished stainless steel ring for sealing with O-ring. The sensor provides 16 Bit pressure and temperature data via a 3 wire serial interface that can be easily interfaced with 4 Bit low power microcontrollers. 64 Bit of factory programmed PROM provides calibration data for a highly accurate pressure and temperature calculation. The MS5541C is fully software compatible to the MS5535C and previous versions of MS5541.

Features:
• Integrated pressure sensor
• Pressure range 0 - 14 bar (200 PSI)
• Resolution 1.2 mbar
• Small size 6.2 x 6.4 mm
• 16 Bit ADC
• 6 coefficients for a software compensation stored on-chip
• 3-wire serial interface
• 1 system clock line (32.768 kHz)
• Temperature range -40..+85°C
• Low voltage (2.2 to 3.6V)
• Low power (Standby current: 0.1uA)
• Pb-free and RoHS-compatible
• No external components required

MS5701

Applications: HVAC, Respirators/Ventilators, CPAP/Sleep Apnea Instruments, Leak Detection, Liquid Level Metering

Datasheet: MS5701

Description: The MS5701 is a new generation of high resolution differential pressure sensors with SPI and I2C bus interface. It is optimized for water level measurement until ~50 cm. The sensor module includes a high linear pressure sensor and a ultra low power 24 bit ΔΣ ADC with internal factory calibrated coefficients. It provides a precise digital 24 Bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high resolution temperature output allows the implementation of a thermometer function without any additional sensor. The MS5701-B can be interfaced to virtually any microcontroller. The communication protocol is simple, without the need to programming internal registers in the device. This new sensor module generation is based on leading MEMS technology and latest benefits from Intersema’s proven experience and knowhow in high volume manufacturing of pressure sensors modules which have been widely used for over a decade. The sensing principle employed leads to very low hysteresis and high stability of both pressure and temperature signal.

Features:

• Low power, 1μA (standby <0.15μA)
• High stability, insensitive to mechanical stress
• Temperature range: -20°C to +85°C

MS5801

Applications: Mobile altimeter / barometer systems, Weather control systems, Adventure or multi-mode watches, Variometers, Dataloggers

Datasheet: MS5801

Description: The MS5801-01BA is a new generation of high resolution altimeter sensors from MEAS Switzerland with SPI and I²C bus interface. It is optimized for depth meters and altimeters with an altitude resolution of 10 cm. The sensor module includes a high linearity pressure sensor and an ultra low power 24 bit ΔΣ ADC with internal factory calibrated coefficients. It provides a precise digital 24 Bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high resolution temperature output allows the implementation of an altimeter/thermometer function without any additional sensor. The MS5801-01BA can be interfaced to any microcontroller. The communication protocol is simple, without the need of programming internal registers in the device. The gel protection and antimagnetic stainless steel cap allows the use in 100m waterproof altimeter/compass watches. This new sensor module generation is based on leading MEMS technology and latest benefits from MEAS proven experience and knowhow in high volume manufacturing of altimeter modules, which have been widely used for over a decade. The sensing principle employed leads to very low hysteresis and high stability of both pressure and temperature signal.

Features:

• High resolution module, 10cm
• Fast conversion down to 1 ms
• Low power, 1 µA (standby < 0.15 µA)
• Integrated digital pressure sensor (24 bit ΔΣ ADC)
• Supply voltage 1.8 to 3.6V
• Operating range: 10 to 1300 mbar, -40 to +125°C
• I²C and SPI interface up to 20 MHz
• No external components (Internal oscillator)
• Excellent long term stability
• Hermetically sealable for outdoor devices

MS5803

Applications: Mobile altimeter / barometer systems, Bike computers, Adventure or multi-mode watches, Variometers, Dataloggers

Datasheet: MS5803

Description: The MS5803-01BA is a new generation of high resolution altimeter sensors from Measurement Specialties with SPI and I²C bus interface. It is optimized for altimeters and variometers with an altitude resolution of 10 cm. The sensor module includes a high linearity pressure sensor and an ultra low power 24 bit ΔΣ ADC with internal factory calibrated coefficients. It provides a precise digital 24 Bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high resolution temperature output allows the implementation of an altimeter/thermometer function without any additional sensor. The MS5803-01BA can be interfaced to virtually any microcontroller. The communication protocol is simple, without the need of programming internal registers in the device. The gel protection and antimagnetic stainless steel cap allows the use in 100m waterproof altimeter/compass watches. This new sensor module generation is based on leading MEMS technology and latest benefits from MEAS proven experience and know-how in high volume manufacturing of altimeter modules, which have been widely used for over a decade. The sensing principle employed leads to very low hysteresis and high stability of both pressure and temperature signal.

Features:

• High resolution module, 10cm
• Fast conversion down to 1 ms
• Low power, 1 µA (standby < 0.15 µA)
• Integrated digital pressure sensor (24 bit ΔΣ ADC)
• Supply voltage 1.8 to 3.6V
• Operating range: 10 to 1300 mbar, -40 to +125°C
• I²C and SPI interface up to 20 MHz
• No external components (Internal oscillator)
• Excellent long term stability
• Hermetically sealable for outdoor devices