Flameproof Pressure Transmitter PCM401

Features

■ Diffused piezoresistive silicon pressure sensor

■ Solid and well-sealed aluminum alloy junction box, convenient for outdoor installation and use

■ For gas, liquid and steam pressure measurement

■ Provide low, medium and high pressure ranges

■ LCD option

Applications

■ Industrial site control

■ Coal mine

■ Oilfield & Gas network

■ Heavy Industry

■ Chemicals

■ Water supply network

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Product Parameters

	Performance parameters
	Pressure range		-0.1MPa…0~0.01MPa…100MPa
	Pressure reference		Gauge pressure, Absolute pressure, Sealed gauge pressure
	Operating temp.		-20℃~85℃
	Medium temp.		-20℃~85℃
	Storage temp.		-40℃~125℃
	Zero temp. coefficient		±1.5%FS (@-20℃~85℃)
	Span temp. coefficient		±1.5%FS (@-20℃~85℃)
	Overpressure		150%FS~300%FS
	Mechanical vibration		20g (20~5000HZ)
	Shock		100g (11ms)
	Accuracy		0.5
	Insulation		100MΩ/250VDC
	Response time		≤1ms (Up to 90%FS)
	Long term stability		±0.2%FS/Year
	Protection		IP65
	Ex-proof		ExdⅡBT6
	Material		Low copper aluminum alloy for housing; 316L for isolation diaphragm
	Medium compatibility		All media compatible with stainless steel 316L

Structure

Type		J12: Flameproof housing		J13: Flameproof housing with display
Dimension In mm

Wiring method (Current output)
Wiring method (Voltage output)

Flameproof parameters

Safety barrier parameters should meet: C0≤35V, I0≤35mA

Transmitter internal parameters: C1=0.01uF, L1=0

The distribution parameters of the connecting cable between safety barrier and the transmitter should meet: Cp≤Co-Ci, Lp≤Lo-Li

Flameproof parameters (cont.)

Note:

Uo: Maximum open circuit voltage of safety barrier

Io: Maximum short circuit current of safety barrier

Co: Maximum allowable capacitance outside the safety barrier

Lo: Maximum allowable inductance outside the safety barrier

Cp: Maximum allowable distributed capacitance of connecting cable

Lp: Maximum allowable distributed inductance of connecting cable

Ci: Maximum capacitance inside the transmitter

Li: Maximum inductance inside the transmitter

Pressure range selection
	Pressure range code	Pressure reference	Pressure range	Overpressure	Burst pressure	Remark
	10kG	G	0~10kPa	300％FS	600％FS
	20kG	G	0~20kPa	300％FS	600％FS
	35kG	G	0~35kPa	300％FS	600％FS
	70kG	G	0~70kPa	300％FS	600％FS
	100kG	G	0~100kPa	200％FS	500％FS
	160kG	G	0~160kPa	200％FS	500％FS
	250kG	G	0~250kPa	200％FS	500％FS
	400kG	G	0~400kPa	200％FS	500％FS
	600kG	G	0~600kPa	200％FS	500％FS
	1MG	G	0~1MPa	200％FS	500％FS
	100kA	A	0~100kPa	200％FS	500％FS
	160kA	A	0~160kPa	200％FS	500％FS
	250kA	A	0~250kPa	200％FS	500％FS
	400kA	A	0~400kPa	200％FS	500％FS
	600kA	A	0~600kPa	200％FS	500％FS
	1MA	A	0~1MPa	200％FS	500％FS
	1.6MS	S	0~1.6MPa	200％FS	500％FS
	2.5MS	S	0~2.5MPa	200％FS	500％FS
	6MS	S	0~6MPa	200％FS	400％FS
	10MS	S	0~10MPa	200％FS	400％FS
	16MS	S	0~16MPa	200％FS	400％FS
	25MS	S	0~25MPa	150％FS	400％FS
	40MS	S	0~40MPa	150％FS	300％FS
	60MS	S	0~60MPa	150％FS	300％FS
	100MS	S	0~100MPa	150％FS	300％FS

Note: G stands for gauge pressure, A, absolute pressure, S, sealed gauge pressure.

Production process

PCM401 Flameproof Pressure Transmitter

Testing Equipment

Φ23.5mm Silicon Pressure Sensor PCM320

Certificate

PCM390 Compact structure Pressure Transmitter

Company profile

PCM580 Digital Pressure Gauge (Φ80mm)

Nanjing Wotian Technology Co., Ltd. was established in 2005. It is an outstanding top sensor mkanufacturing enterprise in Jiangning District. The company was rated as Nanjing Engineering Technology Research Center and Nanjing. Municipal Engineering Research Center, Nanjing Enterprise Technology Center, Nanjing Postdoctoral Innovation Demonstration Base; is the unit that formulated the national standards for "Silicon Piezoresistive Pressure Sensitive Chips" and "Silicone Pressure Sensors". It is the leading domestic manufacturer of pressure sensors, with core technology of diffused silicon pressure sensor pressure transmitter, level sensor and temperature sensor and existing staff 305. The annual production of pressure sensors is more than 2 million. The products have been exported to more than 70 countries and regions. Nanjing Wotian was awarded the honorary title of "Sensor Application Program Demonstration Enterprise" by the Ministry of Industry and Information Technology in 2019. "Creating value for customers" is the goal that enterprises always pursue. As leading manufacturer in the domestic pressure sensor industry, the company will revitalize China's pressure sensor business as its own responsibility, work diligently, step by step, strive to make pressure sensors better, and provide customers with cost-effective sensors. Nanjing Wotian Technology Co., Ltd. has passed ISO9001-2015 quality management system certification and TS16949 certification for the automotive industry.

Company advantage

Mass production

We have one production center in Nanjing and one production center in Anshan with 20,000㎡plant and 170 units of production equipments. The main annual capacity of sensors is about 2,000,000 pieces.

Imported equipments

We imported 20 sets of pressure controller and 150 units of testing ovens to our production line.

Informatization management

We have the information management system of CRM, PLM, ERP, MES and DINGDING etc.

Comprehensive testing

We have our own lab and testing equipment such as lightning stroke, surging, static electricity, vibration, high-low temperature impact test and helium mass-spectrum leak detection.

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E-mail:

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