Xi'an Moshu Co., Ltd.

China Manufacturer with main products: Temperature Transmitter, Pressure Transmitter, Pressure Instruments, Huba Pressure Transmitter, Rosemount Transmitter

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MS329 Digital / Intellectual Pressure Transducer

Supply Ability: 500 Piece/Pieces per Week
Shipping: During 7 days after payment received
Payment Terms: T/T
Update Time: 2012/11/19

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shaanxi in China
Packaging Details: standard export package: one in each box with bubble packs


• • • Overview of Product • • •
MS329 digital · intellectual pressure / differential pressure transducer is a high – accuracy digital and intellectual product developed by German HELM to meet the market needs of Chinese mainland. This series of product adopt German HELM made sensor chip with highest performance and are designed incorporating with monolithic computer technology and sensor digital conversion technology, of which core component adopts 24–bit AD MCU micro – processor to ensure high quality of the transducer relying on its strong function and high – speed operation capacity. The overall designed framework is to meet the requirements of increasingly enhanced industrial site application with a view to reliability, stability, high accuracy, and intellectualization. Meanwhile, the supporting software of the product also features strong function and without manually operating device to ensure good interaction. Application digital signal processing technology is made for good disturbance immunity. It also features zero point automatic stable follow – up capacity and temperature automatic compensation capacity.
• • • Features of Product • • •
1.Baud rate from 1200 to 230400 bps
2.Overall accuracy up to ± 0.05% FS under special condition
3.Optional many kinds of pressure unit, may be user – defined
4.Sampling rate form 10 points / second to 1 point / 50 minutes
5.RS 485 universal serial bus (USB) loop may connected with 63 sensor, as a maximal
6.Communication with the computer via control software in Chinese as well as USB, RS - 232 / 485 port, with easy operation
7.Provided with micro – processor for digital compensation, control, and communication
8.USB, RS - 232 / 485 port directly connecting with the computer
9.20 – bit effective resolution
10.Absolute pressure, gauge pressure, and differential pressure
11.Zero point and FS output setting
12.Readable temperature value of the medium to be measured
• • • Application of Product • • •
1. National defense scientific research
5. Scientific research and laboratory calibration
2. Nuclear power generation and chemical
6. Petroleum survey and investigation
3. Military
7. High – end equipment accessories
4. Airspace and aerospace
8. Support for engineering projects
• • • Technical Data• • •
Measuring range
-100kPa ~ 0 ~ 5KPa … 100MPa
Overloading capacity
Two times of FS pressure (where over pressure for 100MPa is designed with 1.1 times of FS pressure)
Pressure type
Gauge pressure or absolute pressure
Medium to be measured
The gas or liquid compatible with 316 stainless steel
Overall accuracy
(Non-linear, repeatability, lagging)
± 0.05% FS
± 0.075% FS
± 0.1% FS
± 0.25% FS
Long-term stability
Typical: ± 0.01% FS / year
Maximum: ± 0.02% FS / year
Zero point temperature drifting
Typical: ± 0.005% FS
Maximum: ± 0.01% FS / °C
Full scale temperature drifting
Typical: ± 0.005% FS
Maximum: ± 0.01% FS / °C
Range of operating temperature
-40 ~ +85 °C
Range of compensating temperature
-10 ~ +60 °C
Range of power supplying
5 ~ 9V DC(generally 5VDC)
Digital output
RS485 / USB / RS232
Thermal lagging
± 0.1% FS (typical)
Baud rate
1200 , 2400 , 9600 , 19200 , 28800 , 57600 , 115200 , 230400
Data format
1–bit start bit, 8–bit data bit, 1–bit stop bit
Odd and even calibration
Sampling rate
10 points / second – 1 point / 50 minutes
20 bit 10ppm
Insulation resistance
100MΩ, 500V DC
Response time (10% ~ 90%)
Tolerance of vibration
≤ ± 0.01% FS(Axles X, Y, and Z, 200Hz / g)
Enclosure protection degree
Plug type IP65-IEC60529; cable type IP67-IEC60529
Approx. 250g
Explosion – proof Class
Ex ia II CT5
Material of structure
Membrane: 316L
Enclosure: 1Cr18Ni9Ti stainless steel
Approx. 250g
Pressure connection
See product selection table and process connecting drawing (may be defined by the customer).
Electrical wiring connection
See product selection table and process connecting drawing (may be defined by the customer). 

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