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Feature: Reverse does not burn, the number does not shakeDigital tube: 32 x 10 x 13mm (L x W x H)Board: 35 x 16mmPower supply: 7-30V, high brightness LED digital tubeColor: red, blue, green, yellow (optional)4 display modes: 1: Display time only 2: Display temperature only 3: Di..

Feature:1. The wiring of this voltmeter is simple. The conventional two wires are used, the red is connected to the positive, the black is connected to the negative, and the reverse connection is protected.2. Conventionally, no external working power supply is required, and the measuring volt..

Feature: Reverse does not burn, the number does not shakeDigital tube: 36 x 14 x 13mm (L x W x H)Board: 35 x 16mmPower supply: 7-30V, high brightness LED digital tubeColor: red, blue, green, yellow (optional)4 display modes: 1: Display time only 2: Display temperature only..

Feature: Reverse does not burn, the number does not shakeDigital tube: 36 x 14 x 13mm (L x W x H)Board: 35 x 16mmPower supply: 7-30V, high brightness LED digital tubeColor: red, blue, green, yellow (optional)4 display modes: 1: Display time only 2: Display temperature only..

Feature: Reverse does not burn, the number does not shakeDigital tube: 61 x 29 x 17.5mm (L x W x H)Board: 58 x 26 x 17.5mm (L x W x H)Power supply: 7-30V, high brightness LED digital tubeLED Color: red, blue, green, yellow (optional)4 display modes: 1: Display time only 2:..

Feature: Reverse does not burn, the number does not shakeDigital tube: 61 x 29 x 17.5mm (L x W x H)Board: 58 x 26 x 17.5mm (L x W x H)Power supply: 7-30V, high brightness LED digital tubeLED Color: red, blue, green, yellow (optional)4 display modes: 1: Display time only 2: Displ..

Feature: Reverse does not burn, the number does not shakeDigital tube: 61 x 29 x 17.5mm (L x W x H)Installation size: 58 x 26 x 17.5mm (L x W x H)Power supply: DC7-30V, high brightness LED digital tubeLight Color: red, blue, green, yellow (optional) Shell Color: Black Measuring V..

Feature: Reverse does not burn, the number does not shakeDigital tube: 61 x 29 x 17.5mm (L x W x H)Installation size: 58 x 26 x 17.5mm (L x W x H)Power supply: 7-30V, high brightness LED digital tubeLight Color: red, blue, green, yellow, white (optional) Shell Color: Black (option..

Description:Operating voltage:DC 4 ~ 30V Measure voltage: DC 0 ~ 100V Minimum resolution(V): 0.1V Measure current :100A (require external shunt) Minimum resolution(A): 0.1A Operating current:..

Description: Operating voltage:DC 4 ~ 30VMeasure voltage: DC 0 ~ 100VMinimum resolution(V): 0.1VMeasure current :50A (require external shunt)Minimum resolution(A): 0.1AOperating current:..

Features:  1. Electrical parameter measurement function: voltage, current, active power, energy, frequency, power factor2. Overload alarm function: over power alarm threshold, backlight and power flashing to alarm3. Power alarm threshold preset function: can set power alarm threshold..

Features:1. Electrical parameter measurement function (voltage, current, active power, energy, frequency, power factor)2. Overload alarm function (over power alarm threshold, backlight and power flashing to alarm)3. Power alarm threshold preset function (can set power alarm threshold)..