When you looking for digital voltmeter 30v blue, you must consider not only the quality but also price and customer reviews. But among hundreds of product with different price range, choosing suitable digital voltmeter 30v blue is not an easy task. In this post, we show you how to find the right digital voltmeter 30v blue along with our top-rated reviews. Please check out our suggestions to find the best digital voltmeter 30v blue for you.
Reviews
1. McIgIcM Digital Voltmeter Led,Red and Blue Digital Voltmeter Ammeter Dual Display Voltage DC 0-100V 10ADetector Current Meter Panel Amp Volt Gauge 0.28"
Feature
Display: 0.28" LED digitalOperating voltage: DC 4.5 ~ 30V; Size: 48mm x 29mm x 26mm
Measure voltage: DC 0 ~ 100V;Minimum resolution (V): 0.1V;
Operating Current: <20mA;Minimum resolution (A): 0.01A;Measure current: 10A
Operating Humidity: 10 to 80% (non-condensing);Operating temperature: -10 to 65c
Description
Features: Operating voltage:DC 4.5 - 30V Measure voltage: DC 0 - 100V Minimum resolution(V): 0.1V Measure current :10A (measure directly,built-in shunt) Minimum resolution(A): 0.01A Operating current: <20mA Display color: Red and Blue (two-color display) Dimensions: 48 x 29 x 21mm Mounting cutout: 45.5 x 26.5mm Refresh rate: about 500mS / times Measure accuracy: 1% ( 1 digit) Operating temperature: -10 to 65 c Operating Humidity: 10 to 80% (non-condensing) Applications:Suitable for automotive/electric cars/motorcycles battery monitoring or other products voltage current measurement Wiring: Black line (thin): vacant or buck circuit (module) negative Red line (thin): power supply+ Black line (thick): COM, common measuring Red line (thick): PW+, measuring terminal voltage input positive Yellow line (thick): IN+, current input+ (Please refer to the wiring diagrams for more details) Notice: The voltage between the thin red and thin black lines must be within DC 4.5-30V The ammeter can only be connected to the negative of the device under test 10A below ammeter (include 10A), built-in shunt, does not require external shunt When the black thin line vacant, it is better to use insulating tape around the exposed part of the wire, to prevent short circuits If just be used as a voltmeter, it is recommended that the yellow line and the black line were connected together, to prevent the ammeter digital flashing Package include: 1x Digital Volt Ampere Meter2. bayite 3 Wire 0.36" DC 0~30V Digital Voltmeter Gauge Tester Blue LED Display Panel Mount Car Motorcycle Battery Monitor Volt Voltage Meter with Reverse Polarity Protection Pack of 5
Feature
3 Wires. Able to measure the voltage that is below 3V. Measurement Accuracy: 1%Display: Three 0.36" digital LED Tube. Display Color: Blue. Measure Voltage: DC 0~30V. Working Voltage: DC 3V-30V
Reverse Polarity Protection: The meter won't burn out if reverse polarity is applied, but the screen will display nothing
Can be calibrated. The screw on the back is used to calibrate the reading
Operating Temperature: 14 ~ 149 F(-10 ~ 65 C)
Description
Features:Cutting size: 23mm x 14mm/0.9" x 0.55", Thickness: 10mm/0.39"
Mounting Hole Center Distance: 28mm
Measure Voltage: DC 0~30V
Working Voltage: DC 3V-30V
Measurement Accuracy: 1% (+ / - 2 digit)
Display: Three 0.36" digital LED Tube
Display Color: Blue
Refresh Rate: about 500mS / times
Operating Temperature: 14 ~ 149 F(-10 ~ 65 C)
Reverse protection: Yes
When measured voltage is below 10V: the voltmeter displays two decimal digits, for example, 5.32V
When measured voltage is larger than 10V, the voltmeter displays one decimal digit, for example, 10.5V
Wiring:
Red wire: Power supply +
Black wire:Power supply -, Measured Voltage -
White wire: Measured Voltage +
Package Includes:
5x DC 0-30V Voltmeter
3. DWZ 0.56" DC 3-30V Digital Voltmeter Voltage Tester Gauge Blue Bright LED Display Two Wires Volt Meter for Solar Battery Monitor Car Motor Panel Mount
Feature
High accuracy: its Decimal point will automatically move, and it also has a tiny potentiometer to do finer adjustmentsEasy to connect wires: it only has two wires, the red connects to positive and the black connects to negative
Safe to use: with reversed connection protection, it will NOT be burnt even when connected reversely, but the screen display nothing
Large screen and bright LED display, and it is well Made, the strong plastic case prevents it from easily damaged by outer force
It is perfect to monitor the condition of the battery, especially for solar projects, you can use it on your car, trailer, motor, etc
Description
Refresh rate: about 500mS / timesOperating temperature: -10c to 65c
Dimension: 482922mm
Cutting size: 4627mm
Measuring voltage range: DC 3-30V
Maximum input: DC 30V (if the input voltage is higher than DC30V, the voltmeter will be burnt)
Minimum input: DC 3V (if the input voltage is lower than DC 3V, the value will be inaccurate or not displayed)
Measurement accuracy: Less than 10V, accurate to 0.01V; More than 10V, accurate to 0.1V If measure 10V below, accurate to 0.01V,display x.xx
If measure 10V or more,accurate to 0.1V,display xx.x
(allowable tolerance: 1% +/- 1 word)
Display: 3 digit 0.56'' LED digital tube
Font Color: blue
Refresh rate: about 200mS
No need power supply
Consuming current: less than 20mA (generally 5-15mA)
Operating temperature: -10c-65c
Wire length: 20cm
Reverse connection protection: YES
Method of wiring:
Red wire: Positive
Black wire: Negative Note:
Please don't use this meter in 24V battery because when the battery is full-charged, its voltage will be about 30V
(the max input volt for this meter), and we don't suggest you use it in max volt of 30V.
Package Includes:
1 0.56'' Voltmeter
4. RioRand Waterproof Monitor 12 Volt Battery Meter 3.0-30V DC Auto Gauge Small Digital Voltmeter Blue LED
Feature
Powered by RioRand Advanced TechnologyDescription
Features:Dimensions: 40 x 25 x 23mm
Cutting Size: 37x20mm
Measure range: DC 3.0-30.0V
Minimum input: DC 3.0V
Maximum input: DC 30V
Permissible Error: 1% (+ / - 1 digit)
Display: three 0.40" LED digital tube
Display Color: Blue
Refresh rate: about 500mS
Current consumption: about 5-20mA
Operating temperature: -10 c ~ 65 c
Voltmeter with epoxy potting, Full waterproof design, Oil Pollution Prevention, Moistureproof, Shockproof, Dust-proof
With Reverse polarity protection
Please Note:
Do not need power supply, can measure 2.5-30V directly
If the input voltage is below 3.5V, the display brightness dims
If the input voltage is below 2.5V,measuring inaccurate or no display
If measure 10V below, accurate to 0.01V,display x.xx
If measure 10V or more,accurate to 0.1V,display xx.x
Package Include:
1x Digital Voltmeter
5. DROK Waterproof LED Digital Voltmeter 0.40" DC 3-30V Voltage Meter Gauge Panel 12V/24V Volt Tester Power Monitor with 2 Wires Blue Digital Display
Feature
Ultra-small size(402523mm), 2-wire simple connection, handy and easy to useWide Voltage measuring range: dc3-30v; max Voltage input: DC30V
Simply connect the red and black wire to positive and negative Pole of Measured Voltage respectively
Reversed connection protection prevents the meter from being burn when wires are connected reversely
Moisture-proof, anti-oil, anti-vibration and waterproof(please do NOT merge the meter in water)
Description
Parameters:Measure range: DC 2.5-30.0V
Minimum input: DC 2.5V
Maximum input: DC 30V
Min input: DC 2.5V
Permissible Error: 1%; + / - 1 digit(its accuracy is 0.01V when in less than 10V and 0.1V when in more than 10V)
Display: three 0.40" LED digital tube
Refresh rate: about 200mS
Power supply: requires no extra power supply
Current consumption: about 5-20mA
Operating temperature: -10 c ~ 65 c
Dimensions: 40x25x23mm
Descriptions:
1.The volt meter adopts epoxy potting design; it is waterproof, anti-oil, moistureproof, shockproof and dust-proof
2.Connect the red wire to positive pole of measured voltage and black wire to negative pole of measured voltage
3.It requires low voltage to start working which is more convenient for lithium and 18650 battery users
4.Its digital point is moveable in accordance with your measured voltage; specifically, it will display two digits
after the decimal point when voltage is less than 10V and display one digit after the decimal point when volt is more
than 10V
Please Note:
Do not need power supply, can measure 2.5-30V directly
If the input voltage is below 3.5V, the display brightness dims
If the input voltage is below 2.5V,measuring inaccurate or no display
If measure 10V below, accurate to 0.01V,display x.xx
If measure 10V or more,accurate to 0.1V,display xx.x
Please don't use this meter in 24V battery because when the battery is full-charged, its voltage will be about 30V(the max input volt for this meter),
and we don't suggest you use it in max volt of 30V
Package Include:
1x Digital Voltmeter
6. DROK 090552 Mini 0.28" Digital Voltage Tester Voltmeter DC 0~~100V Volt Meter 3.0-30V Power Battery Monitoring Gauge Blue LED Panel Display~
Feature
Small in size and light in weight,quite easy and convenient to carry out0.28" visible LED display, easy to read even in dim light
It requires extra power supply of 3V to 30V; only has three-wires for simple connection
With reversed connection protection, meaning it will not burn even when wires are connected reversely
Has resolution of 0.1V and the potentiometer in the back side for accuracy adjustment
Description
Parameters:Measuring range:DC 0~100V
Operating voltage:DC 3.0~30V
Min input: DC 0V
Max input: DC 100V
Measurement accuracy:1 %(+/- 1 digit)
Refresh Rateabout 200mS/times
Operating Temperature:-10 c ~ +65 c
Power consumption: 5-15mA in normal condition
Display:Three 0.28 " LED digital tube
Display Color:Green/Red/Blue/Yellow
Cutting size:23.5mm x 10mm
Mounting holes distance:28mm
Wiring:
Red: Power Supply +,(3.0~ 30V DC)
White: Measure Voltage +,0~ 100V DC)
Black: Power Supply -, Measure Voltage -
Note:
1.The meter requires extra power supply of DC 3.0 to 30V
2.Its resolution is 0.1V and its actual error might larger than 0.1V
Package Include:
1x Digital Panel Voltmeter
7. FXC 5-30V Marine Digital Voltmeter LED Dual Battery Test Panel Rocker Switch Boat (KG007)
Feature
Specifically designed for marine and automotive applications.UV resistant contoured plastic panel.Includes LED volt meter - Used to test and monitor your battery's voltageGreen LED indicator on top position when "Battery 1" is selected, Green LED indicator on bottom position when "Battery 2" is selected. 3-position (Battery 1/Off/Battery 2) LED illuminated rocker switch with rubber seal
Suitable for a variety of applications including: Marine cockpits, caravan applications, trucks, 4x4s and RV's. Panel comes pre-wired, suits 12V systems
Easy to install and durable.With our strict quality control system, we test each item and 100% ensure in good condition before we ship.
Enjoy 1 year quality warranty under regular use. Offering customer technical service, feel free contact us for technical, installation and use question.
Description
Specification: Switch type:4P ON-OFF-ON 100% brand new!!! Color: Black Voltage: 12V DC Size: Height 100mm, Width 60mm, Depth 60mm LED color: Green for switch, Red for volt meter Package included: 1 x LED Dual Battery Test Panel with Voltmeter Includes 4 mounting screwssilicone gasket Note: 1. Please check the size measurement chart carefully before making payment. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 3. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. 4. Instruction is not included.8. Mini DC 2.5-30V Blue 0.28LED 3-Digital Display Voltage Voltmeter Panel New
Feature
Measuring range:DC 2.5030V Two-wire accessMeasurement precision:0.01V(3-10V); 0.1V (10-30V)
Display:Three 0.28 " LED digital tube
Display Color:blue
Power supply same Source,self-Power
Description
Description:Measure Voltage Range: DC 2.5-30V
Min Input Voltage: DC 2.5V
Max Input Voltage: DC 30V
Measurement Accuracy:1% (+ / - 1 digit)
Display: Three digital 0.28" LED
Display Color: Blue
Refresh Rate: 500mS / times
Size:30mm(L) x 12mm(W) x 9mm(H)
Extreme working conditions
Low operating voltage: + 2.5V
Maximum operating voltage: + 30V
Working temperature: -10 ~ + 65
Operating Humidity: 10 ~ 80% (non-condensing)
Working pressure: 80 ~ 106kpa
Accuracy: 3%
Package Included:
1pcs 3-Digital Display Voltage Voltmeter
9. Dreamyth Xh-b102 DC 5-10V Voltmeter Wire LED Digital Display Voltage DC 2.5-30v Durable (Blue)
Feature
voltmeter digital voltmeter digital red voltmeter digital display voltmeter digital 12v voltmeter digital fluke voltmeter digital panel voltmeter digital miniColor: Red/Yellow/Blue/Green/White. Working current: More than 20Ma.
Input range: DC 5-30V. Display: Three 0.28inch digital tube. Dimensions: 23mm * 15mm * 10mm. Perforation size: 24mm * 15mm.
Refresh rate: 200mS / times. Measurement accuracy: 10V accuracy 0.01V, 10V-30V accuracy 0.1 V. Operation Temp: -10 - +65 degree
Feature:0.28" LED display, mini size, with reversal protection.
Description
. Package Included: 1*Digital Voltmeter.10. Blue Water-proof Mini 3.5-30V Voltmeter 3-Digital High-accuracy LED Screen Voltage Tester Meter Voltimetro
Feature
Color: BlueDisplay: LED SCreen
Item Size: 4 * 1.2 * 1.7cm / 1.58 * 0.47 * 0.67in
Item Weight: 8g / 0.29oz
Package List: 1 * Water-proof Voltmeter
Description
Specifications:Power Supply: DC 3.5-30V
Working Temperature: -10-65
Voltage Testing Range: DC 3.5-30V
Refresh Rate: 1 Second
Accuracy: +/-1%
Package Size: 4.3 * 1.5 * 1.9cm / 1.69 * 0.59 * 0.75in
Package Weight: 8.5g / 0.3oz
Features:
LED screen is coated with epoxy, thus it is water-proof, dust-resistant and shock-proof.
High-accuracy: adjust the accuracy automatically: it will display the voltage to 0.01V when it under 10V; or it will display the voltage to 0.1V when over 10V.
Has black and red wire to connect, with reverse polarity protection.
Can be fixed with two holes on each side.
Widely used in automobile, motorcycle and other rugged environment.
