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Company Information
Yancheng Aoding Instrument Manufacturing Co., Ltd. is located in the beautiful and rich coastal city.Since it established, the company has cooperated with famous universities and research institutes in Jiangsu, Shanghai and other places.
From the components to the final assembly, the factory has gone through strict screening and process quality control, ensuring that the products can be operated safely, reliably and with high quality to the user. The goal we have been pursuing: accurate product measurement, reliable operation, simple operation, low maintenance, little spare parts, convenient installation and good service.
Our products in the global market has been used successfully for more than 10 years, as the industry leader, we will continue to provide a reliable instrument and professional services to global customers, and constantly improve the technological innovation and product quality to meet the needs of different customers.
Product Description
Feature
1.A new generation Chinese microcomputer type high grade instrument: Chinese display, directly display the historical curve, more intuitive to see the latest measurement of pH value fluctuations, Chinese menu operation, intelligent, multi-functional, high measuring performance, environmental adaptation ability.PH value and temperature can be accurately measured.
2.It is imported high performance CPU chip, high-precision AD conversion technology and SMT patch technology, which can complete multi-parameter measurement, temperature compensation and instrument self inspection.It has high precision and good repeatability.
3.Touch button, no switch knob, no adjustable potentiometer.
4.Protection grade IP65, suitable for outdoor use.
5.It is designed and manufactured by European standard EN50081/50082.
6.Nernst electrode slope temperature compensation, pure water and ultra pure water plus 25 ℃.Low impedance instrument has good stability, fast response and strong anti-interference.
7. A variety of calibration methods, E0, S inquiries, monitoring electrode performance.
8.The alarm signal is isolated and output, the upper and lower alarm limits can be set arbitrarily, and the alarm delay is canceled.
9.Isolated current output and RS485 communication interface; current corresponding to the output of pH、upper and lower limits can be arbitrarily set; the amount of hysteresis can be adjusted.
10.An industrial watchdog ensures that the instrument does not crash.
11.Manual current source is convenient for recording and detecting device test.
Technical Parameters
Display mode: Chinese LCD display, Chinese menu operation
Measuring range: 0 ~ 14.00pH, -999.9 ~ +999.9mV, 0 ~ 99.9 ℃
Temperature compensation range: automatic / manual 0~100 ℃, 25 ℃ conversion
25 ℃ conversion: Pure water and ultra pure water with ammonia 25 ℃ conversion
Resolution: 0.01pH, 0.1mV, 0.1 ℃
Accuracy: ± 0.02pH, ±0.5mV, ±0.3℃
Input impedance :>2x1012Ω
Current isolation output: 4~20 mA (load
Alarm relay: AC220V/3A, alarm signal isolated output
Communication interface: isolated RS485
Power supply: AC220V ± 22V, 50Hz ± 1Hz, optional DC24V ± 10%
Protection grade: IP65
Working conditions: temperature 0 ~60 ℃, relative humidity ≤ 90 %
Data storage: 1 months (1point /10 minutes)
Power-down save: > 20 years
Weight & Size: 1Kg, 210 * 220 * 120 mm
Application
Contact Information
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