Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • Submersible Level Transmitter PCM260H

Submersible Level Transmitter PCM260H

Features

 Diffuse piezoresistive silicon sensor adopted

 Probe insertion measurement mode, simple and convenient installation

 For level measurement

 High accuracy, all stainless steel structure

 Small size and light weight

 Strong anti-interference, good  long-term stability

 Anti-vibration, shock resistance

Applications and industries

 Water level measurement in rivers and lakes

 Level measurement of containers and storage systems

 Sewage lift pump and pumping station control

 Sewage, sediment and flood drainage system monitoring



 




Product Parameters

Performance parameters

Pressure range

01mH2O…200mH2O

Pressure reference

Gauge pressure

Accuracy

±0.5%FS@25

Supply

930V

Output

420mA

Temp. drift

35kPa±3%FS(@060

Others±1.5%FS(@-1070

Response time

≤100msUp to 90%FS

Overpressure

Refer to “Pressure range selection”

Service life

≥106 pressure cycles

Operating temp.

-2070

Medium temp.

-1070

Storage temp.

-4070

EMC

EN61000-6-2, EN61000-4-3

Insulation resistance

≥100MΩ/250VDC

Vibration resistance

Sine curve20g, 25Hz2kHzIEC 60068-2-6


Random7.5g, 5Hz1kHzIEC 60068-2-64

Shock resistance

Shock200g/1msIEC 60068-2-27


Free fall1mIEC 60068-2-32

Protection

IP68

Surge

300V

Static

IEC 61000-4-2 Level 3

Medium compatibility

All kinds of media compatible with stainless steel 304

 (Protective cap material: PC+ABS)


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Production process

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PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor

PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor


                                                          Testing Equipment


Water liquid oil Level Sensor PCM260Water liquid oil Level Sensor PCM260

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Certificate

PCM260H Submersible Level 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.