Xiangjing (Shanghai) M&E Technology Co., Ltd
                                                                                                           
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Since 2015
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China SAIC 3151HP 3151DR 3151DP 1151HP 1151DR 1151DP Liquid Gas Steam Digital Differential Pressure Transmitter

Price Negotiable
Price: US $377.00 - 551.00/ Unit
MOQ: 1
Delivery Time: 6~8 weeks
Brand: SAIC
Product Description
Product Overview

SAIC differential pressure transmitters are cost-effective instruments designed for measuring the pressure difference between two points in industrial processes. They are widely used in Chinese plants for flow measurement (with orifice plates), level monitoring in closed tanks, and filter differential pressure detection. The transmitters use a piezoresistive or capacitive sensing element and provide a standard 4-20 mA output.

Technical Specifications
Parameter Specification
Measuring Principle Piezoresistive or capacitive
Pressure Type Differential pressure
Accuracy ±0.5% FS typical
Output Signal 4–20 mA DC (two-wire)
Supply Voltage 12–36 VDC
Wetted Materials 316 stainless steel (standard)
Static Pressure Up to 10 MPa (model dependent)
Ambient Temperature –40 °C to +85 °C
Protection Rating IP65
Application Industry
  • Water and wastewater treatment
  • HVAC and air handling systems
  • Chemical and petrochemical auxiliary lines
  • Power plant utility measurement
  • Filter monitoring and pump protection
Common Problems & Solutions
  • Problem: Output drift over time → Solution: Periodic zero/span adjustment
  • Problem: Condensation inside housing → Solution: Proper cable gland and mounting orientation
  • Problem: Over-range damage → Solution: Select proper range with adequate safety margin
Replacement Models
  • Older SAIC differential pressure transmitter versions
  • Similar domestic Chinese DP transmitters
Why Buy From Us
  • Genuine SAIC product with factory test report
  • Competitive domestic pricing
  • Local technical support and quick response
  • Good spare parts availability
Stock & Delivery Time
  • Standard models: in stock or 4–8 weeks
  • Special ranges / materials: 6–12 weeks
RFQ Form
  • Required differential pressure range
  • Static pressure level
  • Output signal
  • Process connection type
  • Medium and temperature
  • Quantity & delivery timeline

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Xiangjing (Shanghai) M&E Technology Co., Ltd
Location Building 6, 98 Fulianyi Road, Yanghang Town, Baoshan District
Contact Person Edward Zhao

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