電纜長(zhǎng)度測(cè)量?jī)x
- 可連接電腦,實(shí)時(shí)監(jiān)測(cè)電纜長(zhǎng)度
- "自較準(zhǔn)技術(shù)"可適應(yīng)各種類型電纜
- 測(cè)試范圍:400m/4000m/40km.
- 精度:±1%±0.3m
- 適用于網(wǎng)絡(luò),有線電視,電力電纜
- 電壓、電阻、二極管、連續(xù)性測(cè)試
參數(shù) | 量程 | 準(zhǔn)確度 |
長(zhǎng)度 | 400m | ± 1.0% 讀數(shù) ± 0.3m |
4000m | ± 1.0% 讀數(shù) ± 2m | |
40Km | ± 1.0% 讀數(shù) ± 20m | |
直流電壓 | 400mV | ± (1.0% 讀數(shù) +2) |
4V/40V /400V/1000V | ± (0.8% 讀數(shù) +2) | |
交流電壓 | 400mV | ± (1.8% 讀數(shù) +5) |
4V/40V/400V | ± (1.0% 讀數(shù) +3) | |
750V | ± (1.5% 讀數(shù) +3) | |
溫度 | 0 ~ 400 ℃ | 1.0% 讀數(shù) ± 3d |
400 ~ 750 ℃ | 2.0% 讀數(shù) ± 15d |