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SM39TWB-LoRa Wireless temperature transmitter
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Product Description
1. Introduction
- The embedded wireless data transmission module based on LoRa spread-spectrum technology, using LoRa network to provide users with wireless data transmission function.
- Oil field pipeline temperature, single well pumping unit well temperature, temperature monitoring and upper and lower alarm;
- 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: alarm temperature data, battery capacity icon, upper and lower limits, 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 (temperature 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 ~ 150 ℃, 0 ~ 300 ℃, - 50 ~ 500 ℃; F.S precision, 0.5%; Can be made according to the actual demand; In line with the GB/T 28473.2, JJF1183 related technical standards;
Temperature sensor: using PT100 platinum resistance encapsulation, temperature overload capacity, 150% FS.
Process connection interface: probe connection process thread M20X1. 5, use clamp patch sensor installation, clamp size can be customized, clamp material 304 stainless steel, cable length is greater than 1 m, and with metal hose connection.
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
- Shape structure and function is introduced
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 to refresh the current temperature 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, temperature 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. The pipe installed on the cellular network temperature transmitter (1) pipe, pressure, discharge empty running. In the line a is a little bigger than the sensor probe blind pipe sleeve diameter hole; (2) insert the blind pipe sleeve from opening the vertical to the bottom of the pipe, and then along the hole week seal welding on the pipe; (3) blind pipe set inside into the heat conduction oil, about 1/2 pipe volume; (4) temperature sensor probe into blind pipe sleeve, adjust good header direction, with wrench will union tighten, pipeline transport.
5.4. After completion of the wireless temperature transmitter installation, buttons or debugging tools for network parameter Settings.
5.5. Transducer without using for a long time, can through the debugging tools set temperature 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
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6.1. This product is the battery model used for ER34615H - 3.6 V38Ah; It is prohibited to use other model battery.
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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:
温度
仪表
变送器
安装
设置
电池
使用
防爆
量程
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