จอ 0.36" วัดโวลต์ สีแดง DC 4.7V-30V Red Tube Digital Voltmeter

โมดูลดิจิตอลโวลต์มิเตอร์หลอดไฟสีแดง วัดไฟได้ช่วง 3.5-30V โวลต์

Product Features:

• The voltmeter use 0.36 inch digital tube display, with super small volume, area with only a coin similar
• Connection is simple, just need to pick up two lines, a joint reverse protection, then do not burn
• Starting voltage is low, only 3.50 V, can correct measurement
• Variable precision: Precision automatic change below 10.0 V, the highest resolution of 0.01 V, Precision automatic 10.0 V above changes, the highest resolution of 0.1 V
• Can be used for measuring the car / battery car / motorcycle battery voltage, and other forms of voltage
• Can be used in all kinds of voltage measurement purposes

Technical Parameters:

• Weight:                                  6g
• Display color:                                    Red
• Display mode:                         Three 0.36 LED digital tube
• update rate:                             About 200 ms/time
• Physical size:                           31 x 14 x 12 mm (L*W* H, including installation ear)
• Power supply:                                   Don't need the power supply, direct use of the test voltage as a power supply
• Lead wire length:                    10 cm
• The minimum input:               3.50V
• The maximum input:              30.0V
• Measurement range:              DC3.50 - 30.0V
• Operation temperature:         -10 degrees~65 degrees
• Measurement accuracy:            ± (1% + 1 Digit)
• Mounting holes distance:      27mm