ขาย โวลต์มิเตอร์แผงวัดแรงดันไฟฟ้า 91C4 Dc 3/5/10/15/20/30/50/100/150/250V ราคาที่ดีที่สุด

100% brand new and high quality. Color: white Material: plastic Size: as the picture show Accuracy: class 2.5 Conditions of use: -20 ° C ~ +50 ° C Relative temperature ≤ 85% (+5 ° C) Insulation strength: AC voltage 50Hz, 2KV for 1 minute. Measuring range: 3/5/10/15/20/30/50/100/150/250V, according to your choice Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 × Mechanical Voltmeter