DM Bảng Vôn Kế Kỹ Thuật Số LED Mini 0.56 Inch DC4.5/4.7/0 ~ 30V Chính Hãng Đồng Hồ Đo Điện Áp Chính Xác 3 Dây 0 ~ 30V

Description:

Ultra-low cost, high precision to meet most of the application requirements.
High precision
low starting working voltage, red minimum 4.5V, green minimum 5.0V, blue minimum 5.0V.
with reverse protection, anti-burn.

Technical Parameters:
Measuring range 0.00V-30.0V
Power supply range red DC4.50-30.0V, green DC4.70-30.0V, blue DC5.00-30.0V
Maximum input DC30.0V. Note: Input voltage higher than 30V may be permanently damaged!
Tolerance ± 1%; error greater than or equal to 10V ± 0.3V; error less than 10V ± 0.10
Input impedance> 100K ohms
Working current red <23mA, green <18mA, blue <13mA
Refresh speed of about 300mS once
Display mode three 0.56 "LED digital tube
Display color red, green, blue optional
Lead length 20cm
Dimensions 48 x 29 x 22 mm, long X wide X thick;
Mounting hole 46 x 27 mm
Net weight 19g
Gross weight 26g
Operating temperature -10 ℃ ~ 65 ℃

Package Included:
1PC*0.56" DC4.5/4.7/5~30V LED Digital Voltmeter Panel Accurate Meter 3 Wire