Diaphragm Digital Pressure Gauge

Diaphragm Digital Pressure Gauge
1. Accuracy class: 0.5%FS, 0.4%FS, 0.2%FS, 0.1%FS, 0.05%FS
2. Pressure range:
Gauge pressure: -100kPa~0~600kPa~260MPa
Differential pressure: 0~100kPa~3.5MPa
Absolute pressure: 0~100kPa~60MPa
3. Use environment:
Ambient temperature: (-20~50)℃;
Relative humidity: <95%;
Atmospheric pressure: (86~106) kPa;
Storage temperature: (-30~80)℃.
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Product Description

Description


The Diaphragm Digital Pressure Gauge adopts the indirect measurement method, which is suitable for measuring the medium pressure of strong corrosion, high temperature, high viscosity, easy to crystallize, easy to solidify, and solid floating matter, and it is necessary to avoid the measurement medium directly entering the general-purpose pressure instrument and prevent sediment accumulation and easy In the case of cleaning, the diaphragm pressure gauge consists of a diaphragm isolator and a general-purpose pressure gauge to form a system of pressure gauges.


Features


●Touch keys, and with key tone, effectively improve the use of keys.


●Using 4000mAh lithium battery for power supply (ER18505H), low power consumption design.


●The battery can be replaced, which is convenient for customers to replace the battery by themselves. .


●Wide temperature temperature compensation, suitable for various harsh environments.


●Peak record, unit conversion and other functions are complete and easy to use.


●Users can set the acquisition rate, automatic shutdown time, key lock time, backlight automatic shutdown time and other parameters according to their own habits.


●11 kinds of pressure unit conversion, and the unit to be converted can be set, and the less commonly used units can be closed.


●Increased the function of restoring factory settings.

During the operation, if the user makes a mistake, such as mistakenly reset to zero under pressure, mistakenly enter the setting interface, etc. You can use this function to restore the pressure gauge to the factory calibrated data and settings.


●In order to prevent other keys from being touched, a lock key has been added.

In use, you can press the lock key, and a lock pattern will appear on the display screen to lock other touch keys, and it will not affect the pressing and use. After using it, it can be unlocked and turned off.


Principle


The Principle of Diaphragm Digital Pressure Gauge is: When the pressure P of the measuring medium acts on the diaphragm, the diaphragm will deform and compress the sealing fluid of the pressure measurement system of the pressure gauge to form a pressure of P-△P. When the rigidity of the diaphragm is small enough, △P is also small, and the pressure formed by the pressure measuring system of the pressure gauge is close to the pressure of the measuring medium.


Application


Diaphragm Digital Pressure Gauge is mainly used in petrochemical, alkali production, chemical fiber, pharmaceutical, food and other technological processes. It is composed of general-purpose digital pressure gauge, connector and diaphragm isolator. It is used when the measuring medium is strong corrosive, high temperature, high viscosity, easy to crystallize, easy to solidify, and has solid floating matter. 


Show:


SFTN liquid crystal, white backlight, 5-digit display.


Power supply:


3.6V non-rechargeable lithium battery (ER18505H);


Can be connected to an external AC220V adapter for power supply;


It can be connected between DC12V~DC36V.


Installation method:


Three types: radial installation, axial mounting plate, split installation;


Other metrics:


Dimensions: ¢100mmx49mm, total length: 168mm


Weight: 0.6Kg


Pressure interface: standard M20*1.5 male thread connector (can be customized according to user needs);


Additional features:


Can measure temperature: the resolution is 0.1℃;


Pressure percentage indication: display the percentage of pressure measurement value with a progress bar;


Can bring (4-20)MA output;


Can bring RS485 communication;


Can bring single or double circuit contacts;


With data storage, 50,000 pieces of data can be stored, and data can be exported by U disk or computer software; it only takes 7 minutes to export data;

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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.