概述 C31型直流电表是磁电系张丝支承指针指示可携式电表,仪表具有良好的防颠震性能和较高的灵敏度及使用寿命.C31型仪表为多量限仪表,量限转换采用插塞,使用方便.可供工厂,学校或科研部门的实验室作精密电气实验用或在计量室作标准表使用. 仪表的测量范围与消耗:Measuring Ranges and Consumption Model型号 | Measuring ranges 测量范围 | Interal ResistanceOr Voltage Drop内阻或压降 | Internal ResistanceOr Consumed Current内阻或消耗电流 | ScaleDivision刻度分格 | C31-UA | 0-10μA0-20μA0-50μA100/μA150/μA | R≈10KΩR≈2。6KΩR≈600ΩR:1200-1100-560-300ΩR:933-633-292-153Ω | ───── | 100100100100150 | C31-mA | 1.5/3/7.5/15mA5/10/20/50mA100/mA | U:10-20mVU:12-28mVU:45mV | ───── | 150100100 | C31-A | 7.5/15/30/75/150/300/750mA/1.5/3/7.5/15/30A2/5/10/20A | U:27-45mVU≈45mV | | 150100 | C31-mV | 0-10mV45/75/150//3000mV100/Mv 0-75mV/A | ───── | R≈5Ω45mV R≈15Ω75mV R≈30Ω150-300mVI=2mAI=1mAI=1mA | 100150100150 | C31-V | 0.045/0.075/3/7.5/15/3075/150/300/600V1.5/15/150/1500V2/5/10/20V50/100/200/500V | ───── | 45mV R75mV R3-600VI=2mAI=2mAI=2mAI=1mA | 150150100100 | C31-Av | 1.5/3/7.5/15/30A3/15/30/75/150/300/600V | 1.5-30AV≈45mV | 3-600VI=5mA | 150 |
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