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恒温槽 [héng wēn cáo]
thermostatic bath
- 电阻置于275℃的恒温槽中2小时以后,其外观不得损伤.
PUT RESISTOR IN 275℃ CONSTANTLY FOR 2 HOURS.NO PROMINENT CHANGES IN APPEARANCE. - 温度70±3℃(15W以上,须25±3℃)的恒温槽中,加额定电压1.5小时,切断0.5小时,如此连续迴圈1000小时后,再置于室温下1小时,其阻值变化应在3%±0.05Ω以内,其外观不得损伤.
UNDER CONSTANT TEMP. 70±3℃.(IN CASE OVER 15W, 25±3℃),APPLYING RATING VOLTAGE FOR 1.5 HOURS,THEN DISCONNECTING FOR 0.5 HOUR,RECYCLING FOR 1000HOURS ,PUT RESISTOR IN ROOM CONDITION AND ZERO LOADING FOR 1 HOUR THE VARIANCE OF VAILUE SHALL BE WITHIN 3%±0.05Ω.NO PROMINENT CHANGES IN APPEARANCE. - 将电阻器放入温度40±2℃及湿度90~95%之恒温恒湿槽中,其端子加正极,金属板加负极,以直流电100V加压1000小时后,其阻值变化应在3%±0.05Ω以内.
PUT RESISTOR IN THE STATE OF TEMP .40±2℃ CONSTANT ,RELATIVE HUMIDITY 90~95% CONSTANT ,CONNECT RESISTOR AS ANODE,CONNECT METAL PLATE AS CATHODS,APPLY 100V DC FOR 1000 HOURS,THE VARIANCE OF VALUE SHOULD BE WITHIN 3%±0.05Ω.
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