129CP SENSATA | Alldatasheet

Document overview

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Technical content

Features

Applications

  • 0-16 bar (0-232 psi) sealed gauge
  • 0-230 psi sealed gauge
  • Digital I2C output
  • Very low power consumption (<6 µA) at 1Hz measurement
  • Small size (18 mm x 23.5 mm x 12.5 mm)
  • Easy design integration
  • Robust and reliable design
  • Compatible with drinking water safe application Utilizing Sensata’s industry leading ceramic capacitive technology, the 129CP pressure sensor is housed in a small and innovative package ideal for use in tight spaces. The sensor is robust and reliable to withstand harsh conditions such as water hammer over the life of the sensor and the water pressure sensor uses state of the art electronics to accommodate digital I 2C output, low power consumption, fast response time, and end-of-conversion interrupt. For ease of integration, the flex tail is connected to the PCB and the sensor pressure port is just compressed to an orifice where the water pressure is to be read. The 129CP is ideal for water and other mid pressure applications where low power consumption is essential like use in smart water meters.
  • Residential water meters
  • Water networks Supply Voltage 1.7-3.6 VDC Digital Output I2C Resolution 14 bit min Supply Current: Update Mode 750 to 1100 μA Supply Current: Sleep Mode 0.07 to 1 μA Wake-Up Response Time 0.5 ms max Reverse Voltage -0.3 VDC ESD IEC 61000-4-2 Radiated Immunity IEC 61000-4-3 Electrical Connection Flex cable (see dimensions section below) ESD Conforms to IEC 61000-4-2 Level 3, 4kV contact / 8kV air Electrical

www.sensata.com Page 2 Copyright © 2024 Sensata Technologies, Inc. Pressure Range 0 - 16 bar (0-232 psi) Pressure Reference Sealed Gauge Proof Pressure 2X FS(1) Pressure Burst Pressure 5X FS(1) Pressure Accuracy (Best Fit Straight Line)(2) +/-1%FS(1), 25°C Accuracy (Total Error Band) (3) +/-2% FS(1), 4 to 40°C Fluid Compatibility* Potable Water Wetted Materials Sense Element: 96%Alumina (Al2O3) Pressure Port: 304L Stainless Steel Inner Seal: EPDM Outer Seal: EPDM Random Vibration DIN IEC 60068-2-27: 5G (2-2kHz) Mechanical Shock DIN IEC 60068-2-6: 40G1/2 HL SINE Operating Temperature 2°C to 85°C Storage Temperature -25°C to 85°C Waterhammer 100K cycles 0 to 25 bar (0 to 360 psi) Operational Pressure Cycling 1M Physical Performance *Other fluid compatibility available upon request Dimensions in mm DIMENSIONS

Rev.03/26/2024 Americas +1 (800) 350 2727 sensors@sensata.com switches@sensata.com Europe, Middle East & Africa +359 (2) 809 1826 pressure-info.eu@sensata.com Asia Pacific sales.isasia@list.sensata.com China +86 (21) 2306 1500 Japan +81 (45) 277 7117 Korea +82 (31) 601 2004 India +91 (80) 67920890 Rest of Asia +886 (2) 27602006 ext 2808 Page 3 www.sensata.com CONTACT US Copyright © 2024 Sensata Technologies, Inc. Sensata Technologies, Inc. (“Sensata”) data sheets are solely intended to assist designers (“Buyers”) who are developing systems that incorporate Sensata products (also referred to herein as “components”). Buyer understands and agrees that Buyer remains responsible for using its independent analysis, evaluation and judgment in designing Buyer’s systems and products. Sensata data sheets have been created using standard laboratory conditions and engineering practices. Sensata has not conducted any testing other than that specifically described in the published documentation for a particular data sheet. Sensata may make corrections, enhancements, improvements and other changes to its data sheets or components without notice. Buyers are authorized to use Sensata data sheets with the Sensata component(s) identified in each particular data sheet. HOWEVER, NO OTHER LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE TO ANY OTHER SENSATA INTELLECTUAL PROPERTY RIGHT, AND NO LICENSE TO ANY THIRD PARTY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT, IS GRANTED HEREIN. SENSATA DATA SHEETS ARE PROVIDED “AS IS”. SENSATA MAKES NO WARRANTIES OR REPRESENTATIONS WITH REGARD TO THE DATA SHEETS OR USE OF THE DATA SHEETS, EXPRESS, IMPLIED OR STATUTORY , INCLUDING ACCURACY OR COMPLETENESS. SENSATA DISCLAIMS ANY WARRANTY OF TITLE AND ANY IMPLIED WARRANTIES OF MERCHANTABILITY , FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT, QUIET POSSESSION, AND NON-INFRINGEMENT OF ANY THIRD PARTY INTELLECTUAL PROPERTY RIGHTS WITH REGARD TO SENSATA DATA SHEETS OR USE THEREOF. All products are sold subject to Sensata’s terms and conditions of sale supplied at www.sensata.com SENSATA ASSUMES NO LIABILITY FOR APPLICATIONS ASSISTANCE OR THE DESIGN OF BUYERS’ PRODUCTS. BUYER ACKNOWLEDGES AND AGREES THAT IT IS SOLELY RESPONSIBLE FOR COMPLIANCE WITH ALL LEGAL, REGULATORY AND SAFETY-RELATED REQUIREMENTS CONCERNING ITS PRODUCTS, AND ANY USE OF SENSATA COMPONENTS IN ITS APPLICATIONS, NOTWITHSTANDING ANY APPLICATIONS-RELATED INFORMATION OR SUPPORT THAT MAY BE PROVIDED BY SENSATA. Mailing Address: Sensata Technologies, Inc., 529 Pleasant Street, Attleboro, MA 02703, USA. GENERAL NOTES (1) Full Scale Pressure = Pmax - Pmin (2) Best fit straight line accuracy includes errors from non-linearity, non-repeatability, and hysteresis (3) Total error band accuracy includes errors from non-linearity, non-repeatability, hysteresis, zero offset, full span offset, and thermal effects Pin Designation Description

1 EOC End-of-conversion and Output Interrupt

2 GND Ground

3 SDA Bi-directional data for l2C

4 SCL Clock input for l2C interface

5 VDD Power supply

6 n.c. No connection