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Xi'an Xiyi Central Control Technology Co., Ltd.

  • China ,Shaanxi
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China PTP31B Pressure Switch Liquid Level Measuring Instrument Stimmgabel Messer
China PTP31B Pressure Switch Liquid Level Measuring Instrument Stimmgabel Messer

  1. China PTP31B Pressure Switch Liquid Level Measuring Instrument Stimmgabel Messer
  2. China PTP31B Pressure Switch Liquid Level Measuring Instrument Stimmgabel Messer
  3. China PTP31B Pressure Switch Liquid Level Measuring Instrument Stimmgabel Messer
  4. China PTP31B Pressure Switch Liquid Level Measuring Instrument Stimmgabel Messer
  5. China PTP31B Pressure Switch Liquid Level Measuring Instrument Stimmgabel Messer
  6. China PTP31B Pressure Switch Liquid Level Measuring Instrument Stimmgabel Messer

PTP31B Pressure Switch Liquid Level Measuring Instrument Stimmgabel Messer

  1. MOQ: 1 pc
  2. Price: USD 500
  3. Get Latest Price
Payment Terms T/T
Supply Ability 100 pc
Delivery Time 7-14 days
Protection Rating IP67
Customized Support OEM, ODM, OBM
Overpressure Limit 2 times of full scale range
Mounting Direct or Remote
Diaphragm Material 316L Stainless Steel
Process Fluid Liquids and Gases
Housing Material Stainless Steel
Certifications ATEX, IECEx, FM, CSA, CE
Protocol HART/RS485
Flange Material 316SST
Ingress Protection IP67
Electrical Connection M12x1, 4-pin
Mounting Method DIN rail or wall mount
Storage Temperature -40 to 85°C
Brand Name E+H
Model Number PTP31B
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 100 pc
Delivery Time 7-14 days Protection Rating IP67
Customized Support OEM, ODM, OBM Overpressure Limit 2 times of full scale range
Mounting Direct or Remote Diaphragm Material 316L Stainless Steel
Process Fluid Liquids and Gases Housing Material Stainless Steel
Certifications ATEX, IECEx, FM, CSA, CE Protocol HART/RS485
Flange Material 316SST Ingress Protection IP67
Electrical Connection M12x1, 4-pin Mounting Method DIN rail or wall mount
Storage Temperature -40 to 85°C Brand Name E+H
Model Number PTP31B Place of Origin China
High Light PTP31B pressure switch level transmitterliquid level measuring instrument stimmgabellevel transmitter with pressure switch

What is the Ceraphant PTP31B?

  • The Ceraphant PTP31B is a pressure switch made by Endress+Hauser.
  • It is designed for measuring and monitoring absolute and gauge pressure in a variety of media (gases, vapors, liquids, dust) in industrial applications.
  • It uses a piezoresistive sensor (or variant depending on model) and integrated switching electronics.
  • One of its selling points is being relatively cost-effective while providing essential functionality.

 

Absolute vs Gauge Pressure — how PTP31B handles them

To understand how this switch supports both, it helps to recap what “absolute” and “gauge” pressure mean, then see how the PTP31B implements them:

  • Gauge pressure is pressure measured relative to ambient (atmospheric) pressure. Zero on the gauge scale corresponds to ambient atmospheric pressure.
  • Absolute pressure is measured relative to a perfect vacuum—i.e. zero absolute pressure means no pressure.

Because atmospheric pressure is nonzero, in many processes you need an “absolute” reading, especially when working under vacuum or when atmospheric fluctuations matter.

The PTP31B supports both modes (depending on configuration and sensor variant) by using internal reference conditions or sensor types that allow measurement referenced to absolute zero.

In its documentation, the device is described as being for “absolute and gauge pressure” measurement.

 

Key Specifications & Features

Here are the main technical data and features for the Ceraphant PTP31B:

Parameter

Typical / Range

Measuring (process) pressure range

from +400 mbar up to +400 bar

Accuracy

Standard: ±0.5 %, “Platinum” (higher grade): ±0.3 %

Overload capacity / maximum overpressure

Up to 600 bar (for some versions)

Process temperature range

–40 °C to +100 °C

Ambient temperature range

–20 °C to +70 °C

Sensor / diaphragm material

Metallic sensor diaphragm (welded sensor) for many variants.

Process connections

Threaded types (G, NPT, DIN, JIS, etc.)

Outputs / switching functions

Has integrated switching electronics + optional analog outputs, and supports IO-Link communication for parametrization.

Long-term stability

~0.2 % of URL/year

“Turn-down” (adjustable span)

Up to 5:1 for many ranges

Some more functional / operational features:

  • Local display + LEDs for on-site diagnostics and status.
  • Capability to do a function check on-site.
  • The device is overload-resistant (robust sensor) up to high pressures.
  • It supports “zero shift correction” / offset adjustments to compensate for orientation or installation effects (especially relevant in absolute mode)

 

Use Cases & Applications

Because it supports both absolute and gauge pressure, PTP31B is versatile. Some typical applications include:

  • Monitoring vacuum systems (where you need an absolute reference)
  • Process control loops where pressure relative to atmosphere is critical
  • Level / head pressure in tanks (where gauge pressure is often sufficient)
  • Safety / limit switching in pipelines, vessels, compressors
  • Industrial automation systems, integrated into control systems, thanks to IO-Link for easier setup and communication

 

Company Details

Bronze Gleitlager

,

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 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2003

  • Total Annual:

    3000000-5000000

  • Employee Number:

    101~200

  • Ecer Certification:

    Verified Supplier

Xi'an Xiyi Central Control Technology Co., Ltd. is an enterprise engaged in the production, sales and R & D of industrial automation instruments. The company is located in the ancient city of Xi'an, a prosperous international city in China. The company is mainly engaged in Rosemount a... Xi'an Xiyi Central Control Technology Co., Ltd. is an enterprise engaged in the production, sales and R & D of industrial automation instruments. The company is located in the ancient city of Xi'an, a prosperous international city in China. The company is mainly engaged in Rosemount a...

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Get in touch with us

  • Reach Us
  • Xi'an Xiyi Central Control Technology Co., Ltd.
  • Room 2204, Unit 1, No. 91, Taoyuan South Road, Xi'an, Shaanxi, China
  • https://www.industrial-pressuretransmitters.com/

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