黑色指针式模拟万用表正面产品图

写实产品摄影，纯白背景，3:4竖幅正面平视构图；主体是一台黑色外壳的指针式模拟万用表，顶部有黑色方形提手支架，上半部为带透明窗的矩形表盘，白色刻度盘内有多圈红黑弧形刻度、细指针、数字和电气符号；下半部为灰色面板，中央大号黑色挡位旋钮带白色指示线，旋钮周围有数字及电压、电流、电阻挡位标识，下方有三个浅色矩形按钮，右下有黑色小旋钮；底部有黑色和红色接线柱，黑色表笔横放在左前方，红色测试线从右侧接线柱延伸；外壳为黑色硬质塑料，面板为灰色，表笔有塑料握柄和金属探针；均匀柔和棚拍光，无强烈阴影，清晰呈现工业仪器质感。

Realistic product photography, pure white background, vertical 3:4 front view; a black analog multimeter with a rectangular top handle bracket, an upper rectangular meter window with a white scale face containing multiple red and black arc scales, a thin pointer, numbers and electrical symbols; lower gray panel with a large central black selector knob with a white indicator line, numbers and voltage, current and resistance range markings around it, three light rectangular buttons below, a small black knob at lower right; black and red terminals at the bottom, a black test probe placed horizontally at the front left, a red test lead extending from the right terminal; black hard plastic housing, gray panel, plastic probe grips and metal tips; even soft studio lighting, no strong shadows, clear industrial instrument texture.