■ functional characteristics of DC parameter tester for oxidative arrester
▲ temperature measurement: automatically sense the ambient temperature and record the test results.
▲ internal power supply: AC220V AC or built-in rechargeable battery can be used.
▲ easy to use: Chinese menu operation, intuitive measurement data display, built-in printer, fast printing speed.
▲ accurate measurement: fully digital processing, built-in precision mathematical model, high measurement accuracy and good repeatability of test results.
▲ data storage: it can store 50 groups of test data without loss in case of power failure, and can be viewed and printed at any time.
▲ easy to carry: the height, volume and weight are only 30% ~ 70% of similar products, which is convenient to carry.
▲ complete functions: measurement, display, clock, temperature and result printing in one step.
■ technical parameters
▲ measurement range: voltage: 0 ~ 30KV ripple coefficient: ≤ 1.5% current: 0 ~ 1000 μ A
▲ resolution: current: 0.5 μ A voltage: 0.1 kV
▲ accuracy: 1% ± 2 words
▲ ambient temperature: - 10 ℃ ~ 50 ℃
▲ relative humidity: ≤ 85% at 25 ℃
▲ altitude: < 1000M
▲ charging voltage: AC220 ± 10%
▲ power frequency: 50 ± 1Hz
▲ service time of built-in power supply: ≥ 4 hours