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LPT-LS single flange pressure transmitter
● High-performance single crystal silicon core
● 24-bit high-precision ADC
● Dual compensation for core and circuit
● Configuration can be done via HART handheld device
● Various remote transmission devices can be selected for low pressure measurement
● Output damping can be set
● RS485 function available (please specify when ordering)
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Product Description
Product Overview Product overview
The LPT-LS series single flange pressure/level pressure transmitter adopts a microprocessor core modular design in circuit design, which has good anti-interference performance. The internal configuration of the temperature sensor compensates for the transmitter, improving measurement accuracy and reducing temperature drift. It has characteristics such as long-term stability, high reliability, and strong self-diagnosis capability. Users can calibrate, set, and configure the transmitter through the HART communication handheld device. The interface is fully designed in Chinese, with different password permissions for easy user settings. The low-pressure measurement has various configuration interfaces, which can perform well in both closed and open containers. Different materials can be selected for viscous and corrosive media conditions. It is widely used in chemical, metallurgy, water conservancy, electric power, petroleum, and other fields.
Performance Indicators TECHNICAL PARAMETERS
| Measuring Medium | Gas, liquid, steam | ||
| Measuring Range (*Involves secondary packaging with oil filling, measuring range and flange specifications need to be verified) | Minimum Range (kpa) | Range and Sensor Limit Value (kpa) | |
| Maximum Range (URL) | Minimum Range (LRL) | ||
| 1.0 | 6.0 | -6.0 | |
| 4.0 | 40 | -40 | |
| 10.0 | 100 | -100 | |
| 12.5 | 250 | -100 | |
| 25.0 | 500 | -100 | |
| 25.0 | 1000 | -100 | |
| 87.5 | 3500 | -100 | |
| Range Ratio: | 40:1 | ||
| Accuracy | 0.2 grade, 0.5 grade (including linearity, hysteresis, and repeatability) | ||
| Range Ratio Impact: | 0.2 grade | When the range ratio is 1:1—10:1, the calibration range is ±0.20%; | |
| When the range ratio >10:1, it is ±[0.03×range ratio-0.1]%. | |||
| Stability | 0.2 grade | 36 months error is ±0.25% of the maximum range | |
| Temperature Impact | 0.2 grade | Zero or range error is ±0.25% of the maximum range/28℃ | |
| Power Supply Impact | Less than ±0.005%/V of the calibration range | ||
| Vibration Impact | Less than ±0.05% of the maximum range/g | ||
| Installation Impact | Zero drift does not exceed 0.25kPa, this error can be eliminated by zero adjustment, with no impact on the range | ||
| Static Pressure Impact | Zero Point Impact | ±0.1% URL/10MPa | |
| Range Impact | ±0.2% URL/10MPa | ||
| Output Signal | 4-20mA+HART (can also have RS485 simultaneously) | ||
| Power Supply | 15-36VDC | ||
| Ambient Temperature: | -40℃~85℃ | ||
| Medium Temperature | -40℃~120℃ | ||
| Storage Temperature | -40℃~85℃ | ||
| Display | 7-digit LCD display | ||
| Protection Level | IP65 | ||
| Explosion-proof Level | Exd IIC T6Gb | ||
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Installation Requirements INSTALLATION
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Tianjin Ling Yu Technology Co., Ltd.
Operator:86-22-58554679
Fax: 022-58285528
After-sales technical support:86-18920413023
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Factory Address: No.5 Yingbin Road, Xiqing District, Tianjin
E-mail:sales@lingyukeji.com
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