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SAIC differential pressure transmitters are domestic Chinese instruments for measuring ΔP in process lines. They are commonly used with orifice plates for flow measurement and for monitoring level or filter status in tanks and pipelines. The transmitters offer simple installation and stable performance at an affordable price point.
Technical Specifications
Parameter
Specification
Measuring Principle
Piezoresistive
Pressure Type
Differential
Accuracy
±0.5% FS typical
Output
4–20 mA DC
Supply Voltage
12–36 VDC
Wetted Parts
316 stainless steel
Ambient Temperature
–40 °C to +85 °C
Protection
IP65
Application Industry
Flow measurement with orifice plates
Tank level monitoring (closed vessels)
Filter differential pressure detection
Pump protection and bypass control
General industrial utility systems
Common Problems & Solutions
Problem: Signal instability → Solution: Check power supply and grounding
Problem: Zero shift → Solution: Regular zero adjustment on site
Problem: Incorrect range selection → Solution: Choose range with 1.5–2× safety margin
Replacement Models
Older SAIC DP transmitter models
Comparable Chinese OEM differential pressure transmitters
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