Multi-channel Rapid Corrosion Tester
Product Description
W290059 multi-channel rapid corrosion test instrument is my company basis of the results of years of study on the development of integrated linear polarization corrosion rate and weak polarization measurement principle advantages. Built-in high-frequency constant current mode step, metal and dielectric between the electric double layer capacitor Cdl on the high-frequency signals in the low impedance, the method can accurately measure the working electrode and the reference electrode between the dielectric resistance Rs from linear polarization or weak polarization measurement of polarization resistance Rp cut medium resistance RS, can be the real polarization resistance values to accurately access to the corrosion rate. This is particularly applicable to media corrosion resistance of the larger environment. HK3CST800 corrosion rate measurement instrument applied to the soil environment, oily wastewater, as well as reinforced concrete atmospheric environment and the environmental monitoring of corrosion inhibitor and the inhibition efficiency rating.
Equipment use low-power design, built-in rechargeable batteries, at the scene of the application without the use of power. Man, can be under 100 hours of continuous measurement.
Measuring principle:
W290059 multi-channel rapid corrosion test instrument used linear polarization, weak polarization and AC impedance technology to the method of combining the corrosion rate measurement. Measurement of the polarization resistance measurement technology has become an important metal corrosion rate means. Now widely used method for measuring the corrosion rate: Rp polarization resistance measurements first, then press the corrosion current estimate of Icorr and weak polarization technology is weak polarization through the area measured the polarization current value of the Tafel B constant value, which obtained the corrosion current closer to the actual value, the theoretical analysis shows that the biggest measurement error does not exceed 20%. Clearly, the weak polarization technology can effectively solve the theory of linear polarization measurement error.
Based on the above measurement principle measurement acquisition front-end design of automatic measurement and control of the data storage part of the output data. Instrument mainframe constant potential control circuit, SCM system, high-precision A / D conversion circuit, clock circuit, large-screen LCD monitors and computer interface circuit components. SCM by the entire measurement process control, and electronic switches automatically select current range, automatic test data storage and computing. Finally, the measurement data for transmission to the computer software, and provide a more convenient data processing, drawing curves function.
Main performance and technical indicators:
HK3CST800 multi-channel rapid corrosion test instrument is easily portable, simple, rapid measurement, the result will be displayed visual characteristics can be carried out manually measuring equipment can be installed in the field regularly automatic measurement apparatus also has the time, date capabilities , the experiment may be the time, date storage, while users with large data storage space and can store up to 4000 group, and equipment in the data after power is still preserved, provided for the convenience of the scene. Final test results can be transferred to the PC through the RS232 machine for processing and display.
input impedance: 1 × 1012 Ω Ecorr measuring range: ± 2000mVØ
corrosion rate measurement range: 1 × 10-4 ~ 10mm / a absolute measurementØ 5%;±accuracy:
Rp polarization resistance measurement range: 20 Ω to 1 MØ Ω
medium resistance Rs measuring range: 10 to 500 Ω K ΩØ
regularØ automatic measurement: Users can set up the measurement intervalof 10 to 99 minutes, can store data 4000 group.
measurement error: the 273 with theØ United States electrochemical measurement system compared to measurement results, the error is less than 10%;
Real Time Clock Error: ± 1 minute /Ø (comes with batteries); Power: four NiMH rechargeable batteries
Weight:Ø C; Relative Humidity: ≤° C to 50 °3.5Kg, and the operating temperature: -10 80% RH
Scope of application:
The equipment widely used in petroleum, chemical, construction, underground pipelines at the speed of detection and corrosion monitoring, corrosion protection countermeasures, as well as the evaluation of the indoor Pharmacy corrosion assessment and screening; linked to the scene and experimental films can be compared to a more comprehensive, more rapid corrosion and corrosion control information.
System components
HK3CST800 measurement mainframe-1
a measurement probeØ
dataØ communications and data processing computer software installation disk 1
electrode grinding tool kit 1
Measurement System Simulation Group 1Ø
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