Application environment and performance characteristics of intelligent potential acquisition instrument

Intelligent potential acquisition instrument is usually used for long-term safe operation of high-pressure metal transmission pipeline, which can timely discover potential safety hazards, reduce the impact on pipeline facilities, realize key area monitoring, timely and accurate measurement, early warning and elimination of potential safety hazards, and realize the overall big data safety prevention and management system. Today, let's talk about the use environment and performance characteristics of intelligent potential acquisition instrument.

1、 Application environment of intelligent potential acquisition instrument:

1. The air pressure is 86 ~ 106kpa;

2. The ambient temperature is - 25 ℃ to + 55 ℃;

3. Buried or outdoor installation;

4. There is no strong vibration, impact and strong electromagnetic interference at the installation site.

2、 The characteristics of intelligent potential acquisition instrument are as follows

1. The product design is modular, standardized and miniaturized, which can be compatible with 95% of the test piles on the market;

2. The product software uses BS structure, and has a super terminal inside. The information can be shared by authorization;

3. The product adopts GSM or nbiot wireless communication mode;

4. The program is equipped with an internal error correction system, and the hardware has the function of self wake-up;

5. The power supply system of the acquisition instrument is a long-life disposable battery with a total capacity of more than 20Ah and designed to be used for 5-7 years;

6. Anti lightning impulse function: the device can work normally when the input terminal of the equipment bears 15kV instantaneous (20 μ s) DC high voltage;

7. Anti AC interference, with filtering function, can work normally in the environment of AC interference voltage below 30V;

8. The product software can share database with SCADA system and provide data acquisition port;

9. On line remote control of the operation of the potentiostat in the cathodic protection station, switching the potentiostat at on and off, and monitoring the operation parameters and cathodic protection data of the potentiostat remotely.

3、 Main performance of intelligent potential acquisition instrument:

1. Working frequency: dual frequency (900hz / l800hz);

2. Reference input impedance: greater than 1m Ω;

3. Working voltage: 6V ~ 12V (DC), (remote monitoring center: ~ 220V);

4. The acquisition instrument is 4-channel detection equipment: three DC, one AC;

5. Working current: 200mA;

6. Standby current: ≤ 10 μ a;

7. Power supply mode: disposable maintenance free battery;

8. Communication mode: GPRS mode;

9. Insulation resistance: greater than 10 m Ω;

10. The anode current flowing through the reference electrode is less than 3 μ a;

11. The sampling range of pipe to ground AC potential is 0v-50v, resolution is 0.1V, sampling error is less than 0.1V, sampling rate is 1-10 times / s and 10s / time, which can be adjusted by users;

12. The sampling range of pipeline natural corrosion potential is from - 5.0V to + 5.0V, the resolution is 0.001V, the sampling error is less than 5mv, and the sampling rate is 1-10 times / s and 10s / time, which can be adjusted by users;

13. The sampling range of on-off potential is from - 5.0V to + 5.0V, the resolution is 0.001V, the sampling error is less than 5mv, 1-10 times / s, 10s / time, which can be adjusted by users;

14. The internal clock of the acquisition instrument is provided, and the GPS clock is calibrated automatically after startup, and the clock error is less than 1 second every 24 hours;

15. With filtering function, it can work normally in the environment of AC interference voltage below 30V;

16. According to the different communication modes of the acquisition instrument, the installation and use place shall be covered by corresponding wireless signals (such as GPRS, GSM, CDMA, etc.), and the signal strength shall meet the requirements of relevant communication standards;

17. Long life disposable battery, battery capacity under the condition of good communication signal, 1 piece of data collected and uploaded every day, the theoretical design service life is 5-7 years, and the external battery box is easy to replace;

18. Under the set state, the intelligent potential acquisition instrument can automatically and regularly collect and send information such as tube ground on-off potential, natural potential, AC interference potential, battery power, signal strength, equipment temperature, etc;

19. Potential overrun error alarm function: when the reference potential exceeds the upper limit of the set protection potential range or is lower than the lower limit of the set protection potential range, the collector will alarm through the server of the management center. The upper and lower limits of protection potential range are set by management software;

20. Working parameter setting function: the working parameters of the acquisition instrument can be set and adjusted through the management system. These parameters include sampling frequency, sampling time, communication time, starting time of power-off test, protection potential range, etc;

21. The printed circuit board shall be protected from moisture, salt fog and bacteria to meet the requirements for buried use;

22. The appearance of the acquisition instrument should be flat without scratch and rust;

23. The acquisition instrument has explosion-proof function, and its design meets the technical requirements of GB 3836 electrical equipment in explosive gas environment;

24. The acquisition instrument has a metal structure shell. The protection form of enclosure meets the requirements of IP66 in GB 4208-93.

Shandong Linyi Bosi conductive materials Co., Ltd. is a high-tech enterprise specializing in the production of MMO flexible anode, conductive polymer flexible anode and titanium coated anode, mainly providing cathodic protection technology, engineering design, installation and technical services. 

Tel: +86 17568010262，0539-3712117.