Current position：Home > Products > Oil instrument

Ktd5500 volume resistivity automatic tester

This instrument is applicable to standard dl421, which is mainly used to measure the earth volume resistivity of insulating oil and fire resistant oil, and can also measure the insulation resistance of other objects.





Suitable for measuring the volume resistivity of insulating oil, fire resistant oil and other liquid media



● number of test cups: 4 test electrode cups (including 3 high temperature test cups and 1 low temperature test cup)



The new AVR single chip microcomputer is used as the core microprocessor, which has fast operation speed and strong anti-interference ability



Adopt PID temperature control and self-tuning technology, with high temperature control accuracy



● LCD graphic display, Chinese character prompt for key operation, real clock without machine off



● the measurement process is fully automatic to reduce the labor intensity of operators



● it can be controlled by the central computer of the laboratory wirelessly, run automatically and feed back the operation record, which is an optional function of the instrument



It is equipped with mini thermal printer and can store 100 test results





Main technical performance



● test voltage: 500V · DC



● test range: 107 ～ 1015 Ω· cm



● repeatability: ρ × 1012 Ω· cm ρ ＜ 1 ＞ 15%



When ρ × 1012 Ω· cm ρ > 1 ＞ 25%



● temperature control heating range: ≤ 300W



● temperature control range: 5-110 ℃



● temperature control accuracy: ± 0.3 ℃



● test electrode cup: 3



● power supply voltage: AC220V ± 10%, 50Hz ± 1Hz



● suitable ambient temperature: 5 ℃ ~ 40 ℃



Applicable environmental humidity: ≤ 85%



● boundary dimension: 370 × 260 × 250mm