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SM39PWB-LoRa Wireless pressure transmitter
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Product Description
Characteristics of 1.
The embedded wireless data transmission module based on LoRa spread-spectrum technology, using LoRa network to provide users with wireless data transmission function
Oil pipeline pressure, often stop well formation pressure, pressure monitoring alarm and upper and lower limits;
Explosion-proof design: the flame-proof aluminum shell, intrinsically safe circuit board system;
Protection grade: IP68, fully sealed waterproof design;
Instrument can be set up alarm can make, upper and lower limit, time delay and dead zone, maximum range, minimum, decimal digits, upload alarm frequency, sampling frequency and variation, such as parameters.
LED indicator: reset instructions, directions configuration mode, access instructions, data acquisition;
Four and a half LCD display: stress data, battery capacity icon, upper and lower alarm, such as parameters.
Installation direction adjustable: joint through the articulated or access field pipeline valve, adjustable direction.
The product has been widely used in oil and gas in the Internet of things industry.
2. Performance indicators
Working environment temperature, and 40 ~ 70 ℃,
Environmental humidity: 0 ~ 95% RH, without condensation;
Protection grade: IP68;
Explosion-proof marks: Ex ib II C T4 Gb, explosion-proof certificate: CE18.2230 X;
Power supply: lithium thionyl chloride batteries ER34615 type (executive standard: SJ52278/1), two primary battery in parallel, 3.6 V 38 ah capacity; Battery connector SM - 2 p (female head: 1 foot the anode, cathode) 2 feet connected to the instrument; Scope of supply voltage, 3.0 V ~ 3.6 VDC;
Battery work time: 1 year or more (pressure acquisition frequency 1 times/min, communication frequency 1 times/h);
Replace battery mode: open the rear cover, through standard SM - 2 p interface quick replacement;
Long term stability, drift, plus or minus 0.1% FS/year;
Measuring performance: scope, 0 ~ 2.5 MPa, 0 ~ 6.0 MPa, 0 ~ 25 MPa, 0 ~ 40 MPa, 0 ~ 60 MPa,; F.S precision, 0.5%; Can be made according to the actual demand; In line with the GB/T 28474.1, GB/T 28474.2 rules;
Pressure sensor: the piezoresistive type core body, pressure overload capacity, 150% FS.
The process connection interface: M20X1. 5 1/2 "NPT, or can be made according to the actual demand;
Communications: LoRa multiple frequencies (433/470/780/868/915 MHZ);
Theory of communication bandwidth: adjustable level 6 (0.3, 0.6, 1.0, 1.8, 3.1, 5.5 Kbps)
Online debugging and setting function: possess online without unloading installation, through computer + wireless receiver for instrument debugging, set up; Set the data content includes:
Communication work parameters: the network number, air rate;
Measurement parameters: the alarm can make, upper and lower limit, time delay and dead zone, maximum range, minimum, decimal digits, upload alarm frequency, sampling frequency and variation;
Instrument, when the power setting data keep;
Online upgrade: have without unloading installation, configure a serial port, use the computer operation;
Liquid crystal display (LCD), liquid crystal display area, long x = 45 * 35 mm wide, base color is green, the display content including real-time measurements, pressure unit and instrument range, battery, voltage, signal strength; Real-time measurement point can be set, the default reserve 2 decimal places.
17. Instrument shell: material is aluminium alloy, the case sealing ring (mat) as the silicon rubber, front and back cover thread smearing vaseline; Dial diameter of 60 mm, exterior color number is RAL5007;
18. Overall dimensions: length x width x height = 150 x 130 x 235 mm (MAX).
19. Sampling interval: acquisition interval for 1 ~ 60 minutes can be set.
20. Sending interval: 5 ~ 1440 minutes can be set.
21. SMS sending interval: 5 ~ 1440 minutes can be set.
Explosion-proof certification parameters
Explosion-proof number: CE18.2230 X
Explosion-proof marks: Ex ib Ⅱ C T4 GB
- Shape structure and function is introduced
SM39PWB-LoRa无线压力变送器 前面板功能图
The front panel LED: red represents temperature collection status and sleep to wake up,
Front panel reset: by magnet, right in front of the shell cover, the magnet to reset up the arrow and remove the magnet stability for 3 to 5 seconds, LED red light flashes three times, liquid crystal display 8888 synchronous flash three times, also on behalf of the instrument reset successfully, the main purpose of the reset it is changed into the instrument internal parameters, or refresh the pressure value, and build up a network link to refresh.
5. Installation instructions
5.1. All transmitter through digital calibration, the different between the transmitter has the complete consistency and interchangeability;5.2. In transit, all of the transmitter battery is in the off state, pressure transmitter installation on site, need to unscrew header back cover, open the battery switch, attention should be paid to tighten sheath, prevent leaking;
5.3. Pipeline and often stop well installed wireless cellular network pressure transmitter, pressure transmitter will be ready to install on the pipe first valve type needle valve or gate valve closed, and then there are two installation method: (1) the pressure transmitter directly screwing in type needle valve port; (2) will live or port adapter type screwing in the needle valve, then transfer transmitter screwing in live or joint on port, this kind of installation method to increase the living or connector to adjust the direction. Type installed, open the needle valve valve to confirm no leakage phenomenon, namely the installation qualification;
5.4. The cellular network wireless pressure transmitter after the installation is complete, can through the keys or debugging tools for network parameter Settings.
5.5. Transducer without using for a long time, can through the debugging tools set pressure transmitter to sleep patterns, (transmitter in the process of the factory warehouse, unified set to sleep mode or closed, the need to adjust and activation can be normal use). Debugging software interface online list below:
6. Matters needing attention
6.1. This product is the battery model used for ER34615H - 3.6 V38Ah; It is prohibited to use other model battery.6.2. Product antenna casing for the plastic material, potentially dangerous electrostatic charge! Use should be avoided in the friction! Please use wet cloth to wipe clean!
Keyword:
安装
仪表
压力
设置
电池
压力变送器
防爆
量程
无线
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