Home / Products / Pressure Transmitters / SX-PDCB Series

1/5

Pressure Transmitters

SX-PDCB Series

The SX-PDCB smart differential pressure
transmitter offers high accuracy and long-term stability across a 0.2 kPa to 3 MPa range. It supports differential pressure, flow, level, and density
measurement, with 4–20 mA, HART, and optional Modbus RTU, Profibus PA, and ATEX.

Accuracy: ±0.075% FS
Differential Pressure Range: 0.2 kPa – 3 MPa
Output Signal: 4–20 mA / HART / Modbus RTU / Profibus PA
Power Supply: 12–42 VDC
Ingress Protection: IP67
Maximum Working Pressure: 16 MPa / 25 MPa / 40 MPa
Process Connection: ¼" NPT & 7/16" UNF threaded ports
Diaphragm Materials: 316L stainless steel / Hastelloy C / Tantalum / Gold-plated 316L SS / FEP-coated 316L SS
Ambient Temperature: −40 to +85°C, depending on configuration

$433.00

Compare

Datasheet Request a Quote

Product Overview

The SX-PDCB series smart differential pressure transmitter is engineered for high-precision process measurement in demanding industrial environments. Built on silicon piezoresistive MEMS sensing technology and a rugged industrial housing, it delivers outstanding accuracy, long-term stability, and wide-range adaptability. The SX-PDCB series is ideal for a wide range of industrial applications, providing reliable 4–20 mA HART output with optional Modbus RTU and Profibus PA communication.

Typical Measurements

Differential pressure measurement of liquids, gases, and steam
Tank and vessel level monitoring
Flow measurement (differential pressure method)
Density and interface measurement

Main Features

High Accuracy ±0.075% FS; ±(0.0075 × TD)% FS when TD > 10
Wide Differential Pressure Range 0.2 kPa to 3 MPa, with bidirectional measurement
Excellent Long-Term Stability Code A: ±0.5%/yr; Code B: ±0.2%/yr; Code C/D/E: ±0.1%/yr
Multiple Communication Protocols HART | Modbus RTU | Profibus PA
Multiple Diaphragm Materials 316L stainless steel | Hastelloy C | Tantalum | Gold-plated | FEP-coated
Hazardous Area Certification Intrinsic Safety ATEX | Flameproof ATEX (optional)
Flexible Drain/Vent Options Without valve, rear, upper-side, lower-side, or vertical-mount valve
Rugged Industrial Housing Aluminum alloy or 316 stainless steel; IP67

Product Application

Industries Served

Oil & Gas	Power Generation	Food & Beverage
Petrochemical & Chemical	Water & Wastewater	Pharmaceutical
Metal Smelting	Pulp & Paper	Marine & Offshore

Technical Data

Measurement
Pressure Type	Differential pressure
Differential Pressure Range	0.2 kPa to 3 MPa; bidirectional ranges available
Maximum Working Pressure	16 MPa / 25 MPa / 40 MPa (selectable)
Sensor Technology	Silicon piezoresistive MEMS
Turndown Ratio	Adjustable within the selected range limits
Accuracy & Stability
Reference Accuracy	±0.075% FS; ±(0.0075 × TD)% FS when TD > 10
Long-Term Stability	Code A: ±0.5% span/year; Code B: ±0.2% span/year; Code C/D/E: ±0.1% span/year
Response
Response Time	0.1–1.6 s sensor time constant; adjustable damping from 0.1 to 60 s
Power & Output
Supply Voltage	12–42 V DC; minimum 15 V DC with backlit LCD
Power Consumption	< 0.8 W typical
Analog Output	4–20 mA, 2-wire, loop-powered; linear or square-root selectable
Digital Communication	HART / Modbus RTU (RS-485) / Profibus PA (select on order)
Environmental Conditions
Ambient Temperature	−40 to +85 °C; −20 to +65 °C with backlit LCD or FKM seal
Ingress Protection	IP67 (IEC 60529)
Process Connection & Materials
Process Connection	1/4 in NPT female and 7/16 in UNF female threaded ports
Diaphragm Materials	316L stainless steel / Hastelloy C / Tantalum / gold-plated 316L SS / FEP-coated 316L SS
Housing Material	Epoxy-coated aluminum alloy or 316 stainless steel
Certifications
Explosion Protection	Intrinsic safety ATEX or flameproof ATEX (optional)
EMC Compliance	EN 55022 / IEC 61000-4 series / IEC 61326

Certification & Compliance

Certifications & Compliance

Ready to upgrade your sensing infrastructure?

You can directly input your requirements and the AI will automatically match the most suitable model.

Request a Quote Talk to an Expert