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3051 Capacitive Pressure Transmitter
Product Name: Capacitive Pressure Transmitter Model: 3051 Capacitive pressure transmitter combines international advanced digital technology and uses
Product details
Product Name: Capacitive Pressure Transmitter
Model: 3051
The capacitive pressure transmitter combines international advanced digital technology and uses digital circuits instead of analog signal amplification circuits and A/D conversion circuits to improve measurement accuracy. Adopting a standardized installation structure design, it is easy to install and use. The sensitive membrane has one-way overload protection capability, with a maximum pressure resistance of 320 bar. It has the characteristics of high reliability and good long-term stability. Capacitive pressure transmitters are divided into gauge pressure type, absolute pressure type, and differential pressure type.
Capacitive transmitters are equipped with high-performance digital circuits, carefully designed for working conditions such as radio frequency, electromagnetic interference, and surge voltage. They have strong anti-interference ability, wide power supply range, polarity protection, and comply with IEC and CE (EMC) standards. Resistance to radio frequency and electromagnetic interference; The intelligent digital temperature compensation circuit stores the calibration values corresponding to temperature changes in the chip. When the sensor is affected by temperature, it can automatically compensate, solving the temperature drift phenomenon of the sensor and improving its measurement accuracy and environmental adaptability.
Application areas:
Widely used in fields such as pharmaceuticals, medical equipment, petroleum, gas, chemical industry, urban construction power, metallurgy, textiles, aerospace, scientific research, leak detection, and automation equipment support.
Product features:
High precision and good stability;
■ Range and zero point can be continuously adjusted externally;
■ Resistance to radio frequency and electromagnetic interference;
Good one-way overload protection;
Explosion proof structure, all-weather use;
Intelligent HART fieldbus protocol.
Capacitive pressure transmitter:
| Measurement medium | Liquid, gas |
| measuring range | 0-1.3~7.5kPa |
| 0-6.2~37.4kPa | |
| 0-31~186.8kPa | |
| 0-117~690kPa | |
| 0-345~2068kPa | |
| 0-1170~6890kPa | |
| 0-3480~20680kPa | |
| 0-6890~41370kPa | |
| accuracy | ±0.1% URL ±0.2% URL |
| signal output | 4~20mA 4~20mA combined with HART |
| Supply Voltage | 24VDC (12VDC~45VDC) Explosion proof type: 12~28VDC |
| stability | Six months ± 0.1 URL |
| medium temperature | -40~+100℃ |
| storage temperature | -40~+100 ℃ (without LCD head) -40~+70 ℃ (with LCD head) |
| Operating temperature of the whole machine | -40~+85 ℃ (without LCD head) -30~+60 ℃ (with LCD head) |
| ambient temperature | -0~-100% relative humidity |
| Temperature influence | ± (0.2% URL+0.18% inspection range)/56 ℃ |
| Power supply impact | Less than 0.0059%/V of the output range |
| Load impact | No load impact, unless there is a change in power supply voltage |
| vibration effect | The vibration effect at 200Hz in any axial direction is ± 0.05% URL/g |
| EMI/RFI impact | When the field strength reaches 30V/M from 20 to 1000MHz, the output drift is less than ± 0.1% of the range |
| Installation location impact | The maximum zero drift is ± 0.25kPa, and all zero drifts can be corrected; Impact of range blockade |
| Zero point positive and negative transfer | When zero point negative shift occurs, the lower limit of the range must be greater than or equal to - URL; When zero point is shifted forward, the range must be less than or equal to+URL. The verification range must be greater than or equal to the minimum range |
| Zero point and range | It can be adjusted using the local range and zero buttons, or remotely adjusted using a HART handheld device |
| Static pressure and overpressure limit | Applying a pressure of 0 to 13.79MPa on either side of the transmitter will not cause damage. Meets performance specifications when operating within the range of 0kPa to the upper limit of the transmitter range |
| Damping time constant | The time constant is adjustable, increasing by 0.1 seconds from a minimum to 16.0 seconds |
| Explosion proof grade | Intrinsic safety type: Exia II CT6 Explosion proof type: Exd II BT5 |
| protection grade | IP65 |
Button operation:
Support HART protocol, enable button settings for range, unit, damping, reset, calibration, etc
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