Digital Voltmeter 0.56 inch 2 Kabel DC 4.5V-30.0V – Biru

Description Ultra-low cost and high precision meet most application requirements. High precision Low start working voltage, minimum4.5V forred , 4.7V for green , and 5.0V for blue . With reverse connection protection, no burning if connected reversely. technical parameter:   Measuring range Red DC4.50-30.0V , green DC4.70-30.0V , blue DC5.00-30.0V Power supply range No need for additional power supply, directly use the tested voltage as the power supply, the range is the same as above Highest input DC30.0V . Note: Input voltage higher than 30V may be permanently damaged! Allowable error ± 1% ; when greater than or equal to 10V , the error is ± 0.3V ; when less than 10V , the error is ± 0.10 input resistance > 100K Euro Working current Red <23mA , Green <18mA , Blue <13mA Refresh rate About 300mS once Display method Three-digit “0.56” LED digital tube Display color Red, green, blue optional Lead length 20cm Dimensions 48 x 29 x 22 mm , length X width X thickness; Hole Size 46 x 27 mm net weight 18g Gross weight 25g Operating temperature -20 ℃ ~ 65 ℃