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Endress Hauser PTP33B Intelligent Pressure Switch Smart Pressure Transmitter E+H PTP33B Smart Pressure Switch

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  • Endress Hauser PTP33B Intelligent Pressure Switch Smart Pressure Transmitter E+H PTP33B Smart Pressure Switch
  • Endress Hauser PTP33B Intelligent Pressure Switch Smart Pressure Transmitter E+H PTP33B Smart Pressure Switch
  • Endress Hauser PTP33B Intelligent Pressure Switch Smart Pressure Transmitter E+H PTP33B Smart Pressure Switch
  • Endress Hauser PTP33B Intelligent Pressure Switch Smart Pressure Transmitter E+H PTP33B Smart Pressure Switch

›

Endress Hauser PTP33B Intelligent Pressure Switch Smart Pressure Transmitter E+H PTP33B Smart Pressure Switch
This is the original Endress+Hauser PTP33B intelligent pressure switch, designed for precise pressure monitoring and control in industrial process applications. It integrates pressure measurement, digital display and switch output functions, supporting real‑time pressure detection of liquids and gases.
With high‑precision measurement, stable performance and long‑term reliability, PTP33B features compact structure, easy installation and simple parameter setting. It is widely used in water treatment, chemical, petroleum, food and beverage, machinery and other industries to realize automatic pressure control and safety protection.
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Product Description

The Endress+Hauser PTP33B is a high‑performance intelligent electronic pressure switch engineered for accurate pressure measurement, monitoring and on‑site switching control in industrial process systems. Combining pressure sensing, digital display, programmable switch output and analog signal transmission, this integrated device replaces traditional mechanical pressure switches with superior stability and precision.
PTP33B adopts advanced piezoresistive pressure sensor technology, delivering reliable measurement for liquid, gas and vapor media under various working conditions. It supports freely configurable switching points, hysteresis and delay time via on‑site buttons or digital communication, enabling flexible automatic control, overpressure protection and alarm functions for pipelines, tanks and equipment.
Featuring compact design, robust stainless‑steel construction and excellent resistance to vibration, corrosion and temperature fluctuation, the PTP33B is suitable for harsh industrial environments. It provides clear local digital readout and supports standard electrical outputs for seamless connection with PLC, DCS and other control systems.
Widely applied in chemical industry, oil & gas, water treatment, power generation, food & beverage, pharmaceutical, machinery manufacturing and HVAC fields, this E+H pressure switch ensures long‑term stable operation, low maintenance cost and high‑level process safety.

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Products Recommended

Pressure Transmitters for Industrial Pressure Measurement

Xinyi Instrument supplies pressure transmitters for process control, hydraulic systems, petrochemical plants, water treatment, HVAC, power generation and general industrial pressure monitoring. Our pressure transmitter range covers gauge pressure, absolute pressure, differential pressure, high temperature media and digital communication applications.

Choose from compact pressure transmitters, smart 3051 differential pressure transmitters, diaphragm seal models, RS485 digital pressure transmitters and high frequency dynamic pressure sensors. Standard outputs include 4-20 mA, voltage output, HART and RS485 Modbus options, with stainless steel wetted parts and custom process connections available on request.

Pressure Transmitter Parameters

Pressure Types Gauge, absolute, negative pressure, differential pressure
Measuring Range From low differential pressure to high pressure ranges up to 100 MPa, depending on model
Output Signals 4-20 mA, 0-5 V, 1-5 V, 0-10 V, RS485 Modbus, HART options
Accuracy Typical options include 0.1%, 0.2%, 0.25% and 0.5% FS
Process Connection M20 x 1.5, G1/4, G1/2, NPT and customized thread connections
Wetted Materials Stainless steel, 316L diaphragm and corrosion-resistant sealing options
Media Water, oil, gas, air, steam and compatible liquid or gas media
Applications Pipeline pressure, tank level, flow differential pressure, hydraulic pressure and automation systems

Recommended Pressure Transmitter Series

  • Xinyi YW-150 - differential pressure transmitter for stable industrial measurement.
  • Xinyi YW-3051DP - smart differential pressure transmitter for process control.
  • Xinyi YW-130 / YW-140 - compact pressure transmitters for general pressure monitoring.
  • RS485 Digital Pressure Transmitter - Modbus communication for remote monitoring systems.
  • High Temperature Pressure Transmitter - designed for hot media and demanding process conditions.
  • Siemens, Yokogawa and ABB Options - international brand transmitters available for project matching.

Pressure Transmitter FAQ

What is a pressure transmitter used for?

A pressure transmitter converts the pressure of liquid, gas or steam into a standard electrical signal for PLC, DCS, recorder or control instrument input. It is widely used for pipeline pressure, tank level, flow measurement and process safety monitoring.

How do I choose the right pressure transmitter?

Confirm the pressure range, pressure type, medium, temperature, output signal, accuracy, installation thread, electrical connection and environmental requirements. For corrosive media, high temperature or sanitary applications, diaphragm material and sealing structure are especially important.

What is the difference between gauge, absolute and differential pressure transmitters?

Gauge pressure transmitters measure pressure relative to atmospheric pressure. Absolute pressure transmitters measure pressure relative to vacuum. Differential pressure transmitters measure the pressure difference between two points and are commonly used for flow, filter and level measurement.

Can Xinyi Instrument provide customized pressure transmitters?

Yes. Xinyi Instrument can support customized pressure ranges, process connections, output signals, cable length, display options and model selection for different industrial applications.