AMS 5812

 

AMS 5812 – Pressure Sensor with Analog and Digital Output (I2C)

Data Sheet
Flyer

AMS 5812 is a series of high precision pressure sensors combining a ratiometric analog voltage output with a digital I2C output. They are calibrated and compensated in a temperature range of -25 … 85 °C. The PCB- mountable sensors are available in a ceramic DIP package in variants with tube fittings or for o-ring sealing.

 

Short Specifications

Pressure Ranges* bidirectional differential: -3.736 … 3.736 mbar up to -1034 … 1034 mbar
differential / gage: 0 … 5.171 mbar up to 0 … 6895 mbar
absolute: 0 … 1034 mbar up to 0 … 2068 mbar
barometric: 758.4 … 1206 mbar
Total Error Band (TEB)
(T = -25 … 85 °C)		 2.0 %FSO (max.) for ultra low pressure ranges (≤ 10.34 mbar)
1.5 %FSO (max.) for low pressure ranges (≤ 103.4 mbar)
1.0 %FSO (max.) for standard pressure ranges (> 103.4 mbar)
Ratiometric Output Voltage 0.5 … 4.5 V
Digital Output Signal
(pressure and temperature)		 3277 … 29491 Counts for pressure
3277 … 29491 Counts for temperature
Supply Voltage (VS) 4.75 … 5.25 V (typ. 5 V)
Package ceramic DIP-8 (width: 0.6 inch)
RoHS status compliant

Features

  • Calibrated and temperature compensated pressure sensor with analog and digital output (can be used simultaneously)
  • Variants for all types of pressure: absolute pressure sensor, relative pressure sensor, differential pressure sensor, bidirectional differential pressure sensor
  • Analog output: ratiometric, amplifed, 0.5 to 4.5 V
  • Digital output for pressure and temperature data via I2C interface
  • Resolution of the analog output: 11 bit
  • Resolution of the digital output: 14 bit
  • Supply voltage range 4.75 to 5.25 V (3.3 V variant available on request)
  • High accuracy at room temperature, 0.5 %FSO for standard pressure ranges
  • Low total error in the compensated temperature range of -25 … 85 °C
  • High long-term stability (maximum 0.5 %FSO/a)
  • High speed measurements (typical response time 1 ms or sampling rate 1 kHz)
  • Programmable I2C address
  • Compact, ceramic DIL package (Length x width: 15.24 mm x 15.24 mm)
  • Replacement / substitute product for SM5852 / SM5812 (Cross reference list AMS 5812 – SM5852 / SM5812)
  • USB Starter Kit available for easy first operation, testing / measuring and adjustment of the I2C address
  • Arduino Kits for Arduino Uno und Arduino Nano available
  • RoHS conform

 

Typical Applications

  • Static and dynamic pressure measurement
  • Barometric pressure measurement
  • Vacuum monitoring
  • Gas flow
  • Fluid level measurement
  • Medical instrumentation:
    respirators, spirometers, CPAP, sleep diagnostics, anaesthesia, insufflators, pneumatic compression
  • Heating, ventilation and air conditioning (HVAC)

 

AMS 5812’s Model Variants, Pressure Ranges and Ordering Codes

Differential Pressure Sensors

OEM pressure sensor (ordering code) Pressure type Pressure range
in mbar		 Pressure range
in psi
Ultra Low Pressure
AMS 5812-0000-D differential / relative 0 … 5.17 mbar 0 … 0.075 psi
AMS 5812-0001-D differential / relative 0 … 10.34 mbar 0 … 0.15 psi
Low Pressure
AMS 5812-0003-D differential / relative 0 … 20.68 mbar 0 … 0.3 psi
AMS 5812-0004-D differential / relative 0 … 27.58 mbar 0 … 0.4 psi
AMS 5812-0008-D differential / relative 0 … 55.16 mbar 0 … 0.8 psi
AMS 5812-0015-D differential / relative 0 … 103.4 mbar 0 … 1.5 psi
Standard Pressure
AMS 5812-0030-D differential / relative 0 … 206.8 mbar 0 … 3 psi
AMS 5812-0050-D differential / relative 0 … 344.7 mbar 0 … 5 psi
AMS 5812-0150-D differential / relative 0 … 1034 mbar 0 … 15 psi
AMS 5812-0300-D differential / relative 0 … 2068 mbar 0 … 30 psi
AMS 5812-0600-D differential / relative 0 … 4137 mbar 0 … 60 psi
AMS 5812-1000-D differential / relative 0 … 6895 mbar 0 … 100 psi

All differential pressure sensors can be used as relative pressure sensors for the measurement of pressure and vacuum.

Bidirectional Differential Pressure Sensors

OEM pressure sensor (ordering code) Pressure type Pressure range
in mbar		 Pressure range
in psi
Ultra Low Pressure
AMS 5812-015W-D-B bidirectional differential -3.73 … 3.73 mbar -0.0541 … 0.0541 psi
AMS 5812-0000-D-B bidirectional differential -5.17 … 5.17 mbar -0.075 … 0.075 psi
AMS 5812-0001-D-B bidirectional differential -10.34 … 10.34 mbar -0.15 … 0.15 psi
Low Pressure
AMS 5812-0003-D-B bidirectional differential -20.68 … 20.68 mbar -0.3 … 0.3 psi
AMS 5812-0008-D-B bidirectional differential -55.16 … 55.16 mbar -0.8 … 0.8 psi
AMS 5812-0015-D-B bidirectional differential -103.4 … 103.4 mbar -1.5 … 1.5 psi
Standard Pressure
AMS 5812-0030-D-B bidirectional differential -206.8 … 206.8 mbar -3 … 3 psi
AMS 5812-0050-D-B bidirectional differential -344.7 … 344.7 mbar -5 … 5 psi
AMS 5812-0150-D-B bidirectional differential -1034 … 1034 mbar -15 … 15 psi

Absolute Pressure Sensors

OEM pressure sensor (ordering code) Pressure type Pressure range
in mbar		 Pressure range
in psi
Standard Pressure
AMS 5812-0150-A absolute 0 … 1034 mbar 0 … 15 psi
AMS 5812-0300-A absolute 0 … 2068 mbar 0 … 30 psi

Barometric Pressure Sensors

OEM pressure sensor (ordering code) Pressure type Pressure range
in mbar		 Pressure range
in psi
Standard Pressure
AMS 5812-0150-B absolute 758.4 … 1207 mbar 11 … 17.5 psi

 

Evaluation Kits

The AMS 5812 evaluation kits allow an easy and fast examination and evaluation of a pressure sensor from the AMS 5812 series and also enable the inspection of the sensor’s function and data logging. We offer evaluation kits for Windows computers, Arduino Uno and Arduino Nano.

Order Number Description
AMS 5812 USB Starter Kit

AMS 5812 USB Starter Kit

  • Quick and easy usage of sensors from the AMS 5812 series using a Windows PC with an USB port
  • Visualization and recording of the measured digital pressure and temperature data
  • Functional test of the sensor / troubleshooting
  • Programming of an individual secondary I2C-address

Details Further information
AMS 5812 Arduino PCB

AMS 5812 Arduino PCB

  • Shield for Arduino Uno, which can be used for data acquisition with the AMS 5812
  • Allows the readout of AMS 5812’s digital pressure and temperature data
  • Compatible with the AMS library (AMS.zip) for Arduino’s IDE
  • Ready for immediate use after mounting an AMS 5812, no further components required

Details Further information
AMS 5812 Arduino Nano Kit

AMS 5812 Arduino Nano Kit

  • Kit for the usage of an AMS 5812 with an Arduino Nano
  • Allows the readout of AMS 5812’s digital pressure and temperature data
  • Compatible with the AMS library (AMS.zip) for Arduino’s IDE
  • Ready for immediate use after mounting an AMS 5812, no further components required

Details Further information

Accessories

Order Number Description
Silicon-Tubing-2-6
  • Material: Silicone
  • Inner diameter: 2 mm, outer diameter: 6 mm
  • Temperature range: -40 °C up to 125 °C
  • Maximum working pressure: 2 bar
Nylon-Tubing-3-5
  • Material: Nylon Polyamide (PA)
  • Inner diameter: 3 mm, outer diameter: 5 mm
  • Temperature range: -10 °C up to 80 °C
  • Maximum working pressure: 41 bar at 20 °C and 20 bar at 80 °C
  • Minimum bending radius: 25 mm
PA-Tubing-3-5
  • Material: Polyamide (PA)
  • Inner diameter: 3 mm, outer diameter: 5 mm
  • Temperature range: -40 °C up to 80 °C
  • Maximum working pressure: 33 bar at 20 °C and 16 bar at 80 °C
  • Minimum bending radius: 20 mm
PU-Tubing-3-4
  • Material: Polyurethane (PU)
  • Inner diameter: 3 mm, outer diameter: 4.3 mm
  • Temperature range: -35 °C up to 60 °C
  • Maximum working pressure: 12 bar at 20 °C and 6 bar at 60 °C
  • Minimum bending radius: 15 mm

 

Documentation and Downloads

Title Download

Datasheets and general documents
Datasheet AMS 5812, rev. 2.0 pdf Datasheet
Product flyer AMS 5812, May 2017 pdf Flyer

User guides
User Guide USB Starter Kit AMS 5812, rev. 1.0 pdf AMS 5812-Starter Kit
Reference and user guide for the AMS Arduino Library, rev. 1.0 pdf AMS Arduino Library Reference

Applications notes and whitepapers
Interfacing AMS 5812 to an Arduino Uno, rev. 2.0 pdf AMS 5812-AN01
Arduino Nano Kit for AMS 5812 pressure sensors, rev. 1.0 pdf AMS 5812-AN02

Software
Software library for Arduino’s IDE allowing readout of the pressure and temperature data provided by AMS 5812, rev. 1.0 zip AMS Arduino Library

Technical drawings, CAD models and footprints
3D-Model for differential pressure sensors from the AMS 5812 series, step file, rev. 1.0 stp AMS 5812-xxxx-D Step File
3D-Model for absolute and barometric pressure sensors from the AMS 5812 series, step file, rev. 1.0 stp AMS 5812-xxxx-A/B Step File
3D-Model for manifold mount pressure sensors from the AMS 5812 series (package option -N), step file, rev. 1.0 stp AMS 5812-xxxx-y-N Step File

Additional documents
AMS 5812 as substitue / replacement product for SM5852 / SM5812, cross reference, rev. 1.1 pdf Cross Reference AMS 5812-SM58xx