ZX21a、ZX21b、ZX21c、ZX21d、ZX21e、ZX21f旋轉(zhuǎn)式電阻箱生產(chǎn)廠家上海勝緒電氣有限公司,歡迎您的,: ZX21a、ZX21b、ZX21c、ZX21d、ZX21e、ZX21f旋轉(zhuǎn)式電阻箱用途: ZX21系列旋轉(zhuǎn)式電阻箱供直流電路中作可調(diào)節(jié)阻值之用,具有較低的零值電阻,是一切實(shí)驗(yàn)室zui常用的儀器,適合學(xué)校、工廠和科研單位作電測(cè)量和其它實(shí)驗(yàn)使用。ZX21系列旋轉(zhuǎn)式電阻箱適用于周圍空氣溫度+10℃~+35℃及相對(duì)濕度30~80%時(shí)使用。 關(guān)鍵詞:,旋轉(zhuǎn)式電阻箱 主要技術(shù)指標(biāo): 示值 Ω 型號(hào) | × 100M | × 10M | × 1M | × 100k | × 10k | × 1k | × 100 | × 10 | × 1 | × 0.1 | × 0.01 | ZX21 | — | — | — | — | 0.1 | 0.1 | 0.5 | 1 | 2 | 5 | — | ZX21a | — | — | — | — | 0.1 | 0.1 | 0.1 | 0.5 | 1 | 2 | — | 2X21b | — | — | — | — | 0.1 | 0.1 | 0.1 | 0.5 | 1 | 2 | — | ZX21c | — | — | — | — | — | 0.1 | 0.1 | 0.5 | 1 | 2 | 5 | ZX21d | — | — | — | 0.5 | 0.1 | 0.1 | 0.5 | 1 | 2 | — | — | ZX21e | — | — | 1 | 0.5 | 0.1 | 0.1 | 0.5 | 1 | — | — | — | ZX21f | — | 2 | 1 | 0.5 | 0.1 | 0.1 | 0.5 | | | | | ZX21g | 5 | 2 | 1 | 0.5 | 0.1 | 0.1 | | | | | | 電流≤(A) | 60 μ | 180 μ | 0.6 m | 1.8 m | 6 m | 18 m | 60 m | 180 m | 0.6 | 1.5 | 3 | ZX21: (0~9)×(0.1~10k)Ω =0~99.9999 kΩ ZX21a:(0~10)×(0.1~10k)Ω =0~111.1110 kΩ ZX21b:(0~9)×(0.1~10k)Ω =0~99.9999 kΩ ZX21c:(0~10)×(0.01~1k)Ω=0~11.11110 kΩ ZX21d:(0~10)×(1~100k)Ω =0~1.111110MΩ ZX21e:(0~10)×(10~1M)Ω =0~11.11110MΩ ZX21f:(0~10)×(100~10M)Ω =0~111.1110MΩ ZX21g:(0~10)×(1k~100M)Ω =0~1.111110GΩ 2、零值電阻:30±5mΩ 3、電阻箱的基本誤差如下表1規(guī)定: 4、每檔電阻容許通過(guò)電流見表1: 5、電阻箱電路與外殼之間的絕緣強(qiáng)度,經(jīng)得住頻率為50赫茲,2000伏交流電的作用,歷時(shí)1分鐘。 6、電阻箱電路與外殼之間的絕緣電阻不少于1000兆歐。 7、電阻箱重量約1.3公斤;尺度為200×150×110mm
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