DC 2 Wire 3 Bits Digital Voltmeter Voltage Tester 0.36 LED Panel 4.5V-30V E158

Description: 
0.36 inches two-wire DC voltmeter LED digital display meter two-wire DC 4.5V-30V
Ultra-low cost, high precision meets most application requirements
High precision
With reverse connection protection, it will not burn if connected reversely
 
Technical parameters:
Measuring range: DC 4.5V-30V
Power supply range: No need for additional power supply, directly use the measured voltage as the power supply, the range is the same as above
High input: DC 30V. Note: Input voltage higher than 30V may be 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 impedance:> 100K Ohm
Working current: <23mA
Refresh speed: about 300mS-time
Display mode: three-digit 0.36"LED digital tube
Working temperature: -10C~65C
 
Package Includes: 1 x DC 2 Wire 3 Bits Voltmeter 4.5V-30V