Differential Pressure Transmitter

PCM3051S Series Differential Pressure Transmitter is a high performance pressure transmitter based on the international leading technology, adopting the world advanced monocrystalline silicon pressure sensor technology. It can be used not only for Differential Pressure, but also for gauge and absolute pressure measurement.

PCM3051S Series Differential Pressure Transmitter contains linearity and temperature compensation circuits inside. So the whole transmitter can achieve high precision and high stability.

Monocrystalline silicon pressure sensor has extremely high anti-overload performance and excellent performance in micro-pressure measurement. Widely used in various complex industrial environments.

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Features

■ Advanced MEMS monocrystalline silicon pressure sensor chip adopted

■ Wide pressure range covering

■ Double-wire mode, 4～20mA HART® protocol digital communication option

■ Intelligent LCD gauge outfit with backlight

■ With local zero and pressure range adjustment

■ Complete varieties, high accuracy, good stability,

■ Isolation ex-proof housing structure, strong resistance to the frequency conversion interference

■ No mechanical transmission parts, strong anti-vibration

Applications and industries

■ Process control fields for the industries such as petroleum, chemical industry, metallurgy, thermal power, nuclear power, food, papermaking, medicine, machine manufacturing, scientific experiment and military aviation etc.

Specifications

Item	Specification
Measuring range	± 0-1~10 kPa to ± 6 MPa
Output signal	4-20mA with super imposed signal for HART protocol, digital communication.
Power supply	9~45V DC, generally 24V DC
Load characteristics	Related to the power supply, the load capacity at a certain
Local display	5 digits LCD display engineering units
Temperature effect	Effects per 28°C change within the range of @-20℃～70℃ ±0.25%FS
Temperature range	Ambient temperature: - -20 to 80°C Storage temperature: -40 to +90°C Process temperature: -40 to +104°C (Measuring element filled with standard silicone oil) Process temperature: -40 to +149°C (Measuring element filled with high temperature silicone oil) For remote seal process temperature is up-to 350 °C
Humidity	Relative humidity is 5 ~ 95%
Protection grade	IP 67
Accuracy	0.065% of URL (including linearity, hysteresis, and repeatability) 0.04% High Accuracy optional
Zero temperature drift	±0.03% of URL per 28°C
Sensitivity temperature drift	±0.04% of URL per 28°C
Overload pressure	200% F.S
Damping	Adjustable 0 to 32 seconds
Dead Time	< 40 msec.
Stability	±0.1% of the URL for 10 years
Vibration effect	On any axis, when the vibration frequency is 200Hz, the error is +0.05%/g of URL
Power supply influence	Less than 0.005%V of the calibration span per volt
Installation Position effect	Zero shifts up to +/- 0.15% of URL, which can be calibrated out. No SPAN effect.
Transfer function	Linear and square root
Bust pressure	3 times max. pressure range
Turndown ratio	100:1
Turn on time	Less than 5 sec.
Response time	120 ms (without considering electronic damping)
Isolating Diaphragm	316 Stainless Steel, Hastelloy C-276, Monel or Tantalum
Vent/Drain Valve	316 Stainless Steel
Flanges and Fittings	304 Stainless Steel
Contact medium “O” ring	Silicone rubber
Filling fluid	Silicone oil or inert oil
Mounting brackets	MS / Carbon steel with zinc coating or with painting / SS304 / SS316 / SS316L
Electronic housing material	Die cast aluminum alloy / 316L stainless steel
Electrical connections	½” NPT or M20X1.5
Ex-proof grade	Ex d IIB T6 Gb

Additional Information

PCM3051S Series-Differential Pressure Transmitters. We are manufacturer of advanced monocrystalline silicon pressure -Differential Pressure Transmitters. PCM3051S Series-Differential Pressure Transmitters adopts high-performance pressure-sensing chips. With advanced circuit processing and temperature compensation technology, it converts pressure changes into linear current or voltage signals .

PCM3051S Series-Differential Pressure Transmitters have HART communication, communication and self-diagnosis functions. Users use handheld terminals or fieldbus systems to transmit, read, display and input all working information and additional information of transmitters from a long distance.

If you need to purchase PCM3051S Series-Differential Pressure Transmitters, or have any technical questions about Differential Pressure Transmitters, please feel free to contact our engineers.