0 . 36 นิ้วหลอดดิจิตอล dc 4v - 40 v two - line ดิจิตอลโวลต์มิเตอร์สีแดงสีฟ้าสีเขียว 0.36'' 0.36 inch Digital tube DC4V-30V Two-Line Variable Precision Digital Display Digital Voltmeter

0.36'' 0.36 inch Digital tube DC4V-40V Two-Line Variable Precision Digital Display Digital Voltmeter Red Blue Green ● Ultra high precision ● With reverse connection protection, reverse connection will not damage. Feature: 1. This voltmeter has a volume of 0.36 inches, a range of DC 4-40V, 2-wire access, breaking the conventional voltmeter. It is the latest design. It can work directly in 5V, 9V, 12V, 24V circuits without voltage regulation. 2. Equipped with two wiring, easy access to the car/battery car/motorcycle internal line, with reverse connection protection function, wiring will not burn. 3. It can be used to monitor battery voltage and master battery voltage status in time. It can also be used for voltage measurement of other products. 4. Good product stability and high measurement accuracy. 5. Appearance adopts standard size, easy to install. 6. Power supply adopts polar protection circuit. Description： Measuring range:DC4V-40.0V, Power supply range:No additional power supply, the direct use of the measured voltage as a power supply, the same range Highest input:DC40V. Note: Input voltage higher than 40V may cause permanent damage! Allowable error:0.1%, the decimal point automatically shift Measurement voltage more than the equal 10.0V, the measurement error is +/- 0.1V The measurement error is +/- 0.02V when the measurement voltage is Less than equal 9.99V input resistance: more than the 100K Europe Working current: Red Less than 23mA / Green Less than 18mA / Blue Less than 13mA Refresh speed:About 300mS once Display method:Three 0.36 inch LED digital tube Display color: Red / Green / Blue Lead length:15cm Dimensions:23 x 15 x 10 mm( L x W x T )(excluding mounting ears); With mounting ears Length: 33mm Mounting holes Pitch: 28mm, aperture: 2.8mm Operating temperature: -10 Celsius ~ 65 Celsius Before purchase: 1. All the goods are in stock and we will dispatch immediately if we receive the order. 2.Please read the item description, if you have any question, do not hesitate to contact us. 3.Use the vouchers for more saving. Shipment： 1.1-2 days to ship(except for the pro-order item) After purchase: 1.If you are satisfied，please give us 5 stars praise. 2.Please contact us before you are going to give us bad review. We are helpful and will solve the problems. if you receive a defect item,please contact us at once with item picture or video #0.36'' #0.36 #inch #Digital #tube #4V-30V #Two-Line #Variable #Precision #Digital #Display #Digital #Voltmeter #Red #Blue #Green