Pressure Transmitter Differential
JK591D Differential Pressure Transmitter
Best Selling, Precision
Features
• Material: stainless steel
• Accuracy: 0.075%F.S
• Type: Differential pressure
• Measurement Range: 0-10kPa
• The max. static pressure can reach to 10MPa
• Min. order: 1 piece
• Customization: Customized logo(min order 100 pieces)
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Description
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Pressure Transmitter Differential Overview
The pressure transmitter differential is used to prevent the medium in the pipeline from entering the transmitter directly, and the pressure-sensitive diaphragm and the transmitter are connected by a capillary filled with fluid. The differential pressure transmitter is used to measure the liquid level, flow and pressure of liquid, gas or steam, and then convert it into a 4- 20mA DC current signal output. The pressure transmitter differential can also communicate with each other through the HART protocol, and set and monitor through them.
Differential pressure transmitter has high quality, high reliability and wide selection range, providing high quality and high value-added pressure measurement solutions for various process control systems.
The pressure transmitter differential is the most commonly used sensor in industrial practice. It is widely used in various industrial automatic control environments, involving water conservancy and hydropower, railway transportation, intelligent buildings, production automatic control, aerospace, military industry, petrochemical, oil wells, electric power, ships, machine tools, Pipeline and many other industries.
Pressure Transmitter Differential Features
• Adopt MEMS monocrystal silicon high-precision pressure sensor
• With high response speed and stability
• Measurement accuracy 0.1%-0.075%FS
• The max. range ratio can reach to 100:1
• Adopt double overload protection technology
• With strong overload capability, the unidirectional pressure can reach to 10MPa
• The max. static pressure can reach to 10MPa
• Provide standard HART bus communication mode
• Sophisticated self-diagnosis and telecommunication function
• Highlighted LCD with backlight
• Local display screen which can rotate by 360º
• Convenient local zero clearing function
• Convenient local zero point, extreme point setting and calibration function
• Convenient local current loop calibration function
Differential Pressure Transmitters Measurement Medium
• Viscous medium at high temperature
• Easily crystallized medium
• Sedimentary media with solid particles or suspended matter
• Strong corrosive or highly toxic media
• Continuous and precise measurement of interface and density
The remote transmission device can avoid the mixing of different instantaneous media, so that the measurement results truly reflect the actual situation of the process change.
• Occasions with high sanitation requirements
Pressure Transmitter Differential parameter
| Products specification parameter | |
| Medium | liquid, gas and steam |
| Measuring Range | 0~10KPa |
| Output | 4~20mA |
| Accuracy | ±0.04-0.075%FS |
| Range and null point | Adjustable |
| Power Supply | 14.5~36V DC, generally 24V DC |
| Protection | IP65 |
| Storage Temperature | -46~+110°C |
| Overload Limit | 150%-200% of rated range |
| Load Resistance | 750Ω(See below diagram 1 for load characteristic ) |
| Relative Humidity | 0~100% |
| Converter housing | Die-cast aluminum IP65 coated and plastic sprayed |
| Fill Fluid | Silicon oil / Inert liquid |
| Process Connections |
NPT1/2(F), NPT1/4(F), M20×1.5 male and rear welded SST pressure pipe NPT1/2 and rear welded SST pressure pipe |
| Weight | 3.75kg |
| Material | |
| Flange/Adaptor | Stainless Steel 316/ Haste alloy |
| Drains/Vents | Stainless Steel 316 / Stainless Steel/Haste alloy |
| Cover O-ring | Buna-N |
| Seal O-Ring | Buna-N |
How to choose the pressure transmitter
★ Depending on the type of pressure to be measured
Pressure types mainly include gauge pressure, absolute pressure, differential pressure, etc. Gauge pressure refers to the pressure that is less than or greater than atmospheric pressure based on the atmosphere. Absolute pressure refers to the zero position of the absolute pressure as the reference, which is higher than the absolute pressure. Differential pressure is the difference between two pressures.
★ According to the measured pressure range
Under normal circumstances, the actual measured pressure is selected as 80% of the measurement range.
★ According to the measured medium
According to different measurement media, it can be divided into dry gas, gas liquid, strong corrosive liquid, viscous liquid, high temperature gas liquid, etc. Correct selection according to different media will help prolong the service life of the transmitter.
★ According to the system operating temperature range
The temperature of the measuring medium should be within the working temperature range of the pressure transmitter. During the production process of the pressure transmitter, the temperature effect will be measured and compensated to ensure that the measurement error caused by the temperature effect is within the range required by the accuracy level. In the case of high temperature, you can consider choosing a high-temperature pressure transmitter or take auxiliary cooling measures such as installing condensing pipes and radiators.
★ According to the pressure interface form
Usually, a threaded connection (M20×1.5) is the standard interface form. If you need other sizes of the interface, we will produce and formulate them according to your requirements.
Company profile
CN BOILER ENGINEERING SOLUTION LLC is a comprehensive service provider of thermal energy systems in China, devoted to providing customers with one-step thermal energy system solutions by safe, save energy, environmentally, intelligent, and reliable. Main products include industrial boilers(hot water boilers, steam boilers, thermal oil boilers, waste heat boilers, and CFB boilers), steam generators(electric steam generators, electric hot water generators), intelligent control system by PLC control, PLC+PC control or DCS control, remote instrument and valves and so on. The control system includes industrial boiler control system(oil fired boilers, gas fired boilers, biomass fired boilers, coal fired boilers, electric boilers, waster heat boilers, CFB boilers), PLC deaerator control system, condensate recovery system, reactor control system, heating exchanger control system, hot air boiler control system etc. The remote instrument and valves include temperature sensor, pressure transmitter, pressure sensors, pressure controller, liquid level meter, flowmeter, electric control valve, Zirconia, TDS sewage and so on.
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