Home > Products > Pessure transmitter > SRMD smart differential pressure transmitters with Hart Protocol for industry
SRMD smart differential pressure transmitters with Hart Protocol for industry
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- Yantai
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Product Details
Place of Origin: | Shandong, China | Brand Name: | Dongrun | Model Number: | SRMD |
Packaging Details
carton package for Intelligent Capacitive Pressure/Differential Pressure Transmitter
Product Description
Company Introduction
Yantai dongrun Instrument Co., Ltd. was founded in 1998, specializes in manufacturing online water quality analysis equipment, material level meters, pressure gauges, flow meters, special temperature gauges and laboratory analysis equipment. Our company cooperate with the Chinese Academy of Sciences to build a water analysis laboratory, and the main products are TOC analyzer, ammonia analyzer, fluorescence oxygen analyzer, etc. We have passed the ISO9001 certification and has a professional R & D team, providing technical support to meet customer demand, particularly in the anti-corrosion, our company has a unique technology to meet different conditions of corrosion requirements.
Product Introduction
SRMD Intelligent Capacitive Pressure/Differential Pressure Transmitter
Product Introduction
Series SRMD digital pressure / differential pressure transmitter is based on the advanced, mature, reliable capacitive sensor technology in the world and combines the advanced monolithic computer technology and the digital conversion technology of the sensor.
The core component adopts a 16-bit micro controller. Its powerful features and high-speed computing power ensure the good quality of the transmitter. The entire design framework focuses on reliability, stability, high precision and intelligent to meet the increased requirements of the industrial field applications. The digital signal processing technology is applied in the software, which makes it have excellent anti-interference ability and zero stability as well as zero automatic stable tracking capabilities (ZSC) and temperature automatic compensation capacity (TSC).
Performance Index
Performance specifications
(Reference conditions: no migration status, silicone oil filling fluid, 316L isolation diaphragm)
Output signal: 4 ~ 20 mA DC.
Transmission forms: two-wire
Accuracy:
Linear output: ± 0.1% (range ratio 1:1), including linear, variation, repetitive comprehensive errors.
Sqrt output: when the output pressure is 4 to 100%, it is ± (0.2% calibrated span +0.05% upper limit).
Stability: For DP range code 3, 4, 5, it is ± 0.2%of a maximum range. For the rest of the range code, it is ± 0.25% of the maximum range.
Humidity: 0 to 90% relative humidity
Start time: minimum damping, 2 seconds at most
Volume uptake: less than 0.16cm3.
Damping: The electrical damping is 0 to 32 seconds.
Furthermore, the sensitive element has constant damping time of 0.2s (The measurement range code 3 is 0.4 seconds).
Static pressure influence: (DP transmitter)
Zero error: For 14Mpa, it is ± 0.25% of the maximum range. For the range code 3, it is ± 0.5% of the maximum range. It can be corrected by the zero adjustment.
Measurement range Error: every 6MPa can be corrected to ± 0.25% of the input indication. For the range code 3,it is ± 0.5%. This error can be adjusted to eliminate before installation.
Static pressure (HP transmitter)
Zero error: For the 32Mpa, it is ± 1.0% of the maximum range. Through the zero point adjustment, it can be corrected.
Temperature
Zero error in the maximum range
Every 56 ℃ is ± 0.5% of the range. The total impact includes the range and zero error: every 56 ℃ is ± 1.0% of the range. For range code 3, the amount of impact is doubled.
Zero error in the minimum range: every 56 ℃ is ± 3% of the range.
The total impact includes range and zero error. Every 56 is ± 3.5% of the range. For range code 3, the amount of impact is doubled.
vibration influence: frequency :0 ~ 200Hz, every g is ± 0.05% upper limit in every direction.
Power influence: less than 0.005% / Vof the calibration range.
Installation location influence: Zero drift is not larger than 0.25kPa. This error can be eliminated by correction with no effect on the range.
electromagnetic interference / radio frequency interference influence: In accordance with the SAMA PMC33.1, test is conducted from 20 ~ 1000MHZ. The field strength can be as high as 30V / m.
Company and Trading show
Shipping charge
edith sun
skype: dongrun01
ph: 13793523708
Company Profile
Yantai Dongrun Instrument Co., Ltd. is a manufacturer of instruments and meters with well-equipped testing equipment and strong technical force.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in water treatment, biopharmaceutical industry and other industries.
Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs.
We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
Contact Us
- Shandong Dongrun Instrument Science And Technology Co., Ltd.
- Contact nameDongrun Service
- Phone86-0535-3971626
- AddressNo.1 Xiulin Road Yantai,Shandong
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