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UJ33A直流電位差計

發布日期：2025-01-05
訪問次數：887
地址：上海寶山

UJ33A直流電位差計为测量精度0.05%的直流携带式电位差计。可在实验室、车间及现场测量直流电压，亦可经换算后测量直流电阻、电流、功率及温度等。
本電位差計能檢定工業和標准熱電偶，能檢定電子電位差計、測溫毫伏計、數字溫度計、數字毫伏計及一般電壓表，亦可作爲直流電壓信號發生器使用。
本電位差計有內附電子指零儀、標准電池，裝入工作幹電池便可進行測量

訂購留言

一、用途
UJ33A直流電位差計为测量精度0.05%的直流携带式电位差计。可在实验室、车间及现场测量直流电压，亦可经换算后测量直流电阻、电流、功率及温度等。
本電位差計能檢定工業和標准熱電偶，能檢定電子電位差計、測溫毫伏計、數字溫度計、數字毫伏計及一般電壓表，亦可作爲直流電壓信號發生器使用。
本電位差計有內附電子指零儀、標准電池，裝入工作幹電池便可進行測量。避免了采用市电带来的工业干扰，使测量更加稳定、准确。
本電位差計內附標准電池爲我廠制造的BC5/3型不飽和標准電池，溫度系數小，不必對它進行溫度補償，測試方便。

UJ33A直流電位差計
二、主要技術指標
1 、仪器使用条件；
a、溫度參考值；20±2℃
b、溫度標稱使用範圍；5~35℃
c、濕度參考值；40％~60％
d、濕度標稱使用範圍；25％～80％
2 、各主要指标见表1：
3 、外壳对线路绝缘电阻RJ>100MΩ/500V。
注；校對“標准”時工作電流相對變化0.05%時，檢流計指針偏轉大于一格。
4、外殼對線路能承受頻率爲50HZ，正弦波交流電壓500V，曆時一分鍾作用而不擊穿。

5、仪器工作电流3mA，工作电压7.5V（由五节1.5V 1号干电池串联供电），它的供电部分是通过精密基准源MC1403输出，

该元件为美国莫托洛拉公司产品，电压稳定性优于50PPm，温度系数优于30PPm/℃，当工作电压从9V~4.5V之间变化时，其输出电压恒定为2.5V。

6、外形尺寸；320mm×260mm×160mm
7、重量；<5kg

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