Top 14 recommendation ammeter voltmeter 2022

When you looking for ammeter voltmeter, you must consider not only the quality but also price and customer reviews. But among hundreds of product with different price range, choosing suitable ammeter voltmeter is not an easy task. In this post, we show you how to find the right ammeter voltmeter along with our top-rated reviews. Please check out our suggestions to find the best ammeter voltmeter for you.

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Iztor DC 12-24V 2 in 1 red led Digital display Voltmeter Ammeter Range 1-10A ,6-30V for Car Motorcycle RV boat marine Iztor DC 12-24V 2 in 1 red led Digital display Voltmeter Ammeter Range 1-10A ,6-30V for Car Motorcycle RV boat marine
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VANJING DC 6.5-100V 0-100A LCD Digital Display Voltmeter with 100A Shunt Power Energy Meter Multimeter Amperage Ammeter (DC 100A Tester) VANJING DC 6.5-100V 0-100A LCD Digital Display Voltmeter with 100A Shunt Power Energy Meter Multimeter Amperage Ammeter (DC 100A Tester)
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AstroAI Digital Multimeter with Ohm Volt Amp and Diode Voltage Tester Meter AstroAI Digital Multimeter with Ohm Volt Amp and Diode Voltage Tester Meter
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bayite AC 80-260V 100A BYT-VAEM-034 Digital Current Voltage Power Energy Analyzer Meter Ammeter Voltmeter with Open-close Current Transformer Split Core CT bayite AC 80-260V 100A BYT-VAEM-034 Digital Current Voltage Power Energy Analyzer Meter Ammeter Voltmeter with Open-close Current Transformer Split Core CT
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Fluke 323 True-RMS Clamp Meter Fluke 323 True-RMS Clamp Meter
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bayite DC 6.5-100V 0-100A LCD Display Digital Current Voltage Power Energy Meter Multimeter Ammeter Voltmeter with 100A Current Shunt bayite DC 6.5-100V 0-100A LCD Display Digital Current Voltage Power Energy Meter Multimeter Ammeter Voltmeter with 100A Current Shunt
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AIDBUCKS MT200 Digital Clamp Meter 600V Electrical Tester Continuity Diode Test Voltmeter Ammeter 6000 Counts CAT III True RMS (Blue) AIDBUCKS MT200 Digital Clamp Meter 600V Electrical Tester Continuity Diode Test Voltmeter Ammeter 6000 Counts CAT III True RMS (Blue)
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DROK 0.28 DROK 0.28"High Accuracy DC 0-33.00V/0-999.9mA-3.000A 12V Voltmeter Ammeter Voltage Current Tester Monitor Panel Gauge
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MICTUNING DC 6.5-100V 0-100A LCD Digital Display Ammeter Voltmeter Multimeter Volt Watt Power Energy Meter Blue with 100A/75mV Shunt MICTUNING DC 6.5-100V 0-100A LCD Digital Display Ammeter Voltmeter Multimeter Volt Watt Power Energy Meter Blue with 100A/75mV Shunt
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WATERWICH DC12-24V/0.1-10A Dual LED Digital Multimeter Amp Voltage Meter 2-in-1 Current Tester and Voltage Tester For Boat Marine Vehicle Truck ATV UTV Car Camper LED Round Panel (Blue) WATERWICH DC12-24V/0.1-10A Dual LED Digital Multimeter Amp Voltage Meter 2-in-1 Current Tester and Voltage Tester For Boat Marine Vehicle Truck ATV UTV Car Camper LED Round Panel (Blue)
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DROK 0.28 DROK 0.28"LED DC0-100V 10A Digital voltmeter Ammeter 2in1 Multimeter 12V/24V Voltage Amperage Meter Volt Amp Gauge Panel
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GERI Volt Amp Voltmeter Ammeter 2in1 LED Digital Voltage Current Measurement Meter DC 5V 12V 4.5-30V/100A with Shunt Red +Blue GERI Volt Amp Voltmeter Ammeter 2in1 LED Digital Voltage Current Measurement Meter DC 5V 12V 4.5-30V/100A with Shunt Red +Blue
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DT830B LCD Digital Voltmeter Ammeter Ohm Multimeter DT830B LCD Digital Voltmeter Ammeter Ohm Multimeter
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uxcell DC 0-200V 100A Blue Red LED Dual Digital Panel Voltmeter Ammeter Meter uxcell DC 0-200V 100A Blue Red LED Dual Digital Panel Voltmeter Ammeter Meter
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Reviews

1. Iztor DC 12-24V 2 in 1 red led Digital display Voltmeter Ammeter Range 1-10A ,6-30V for Car Motorcycle RV boat marine

Feature

Sold from Iztor,send 3 lines for free
Measure range: 1-10 A,Voltmeter Measure range: 6-30V
Reverse connect protection function, won't burn when Lines connect wrong
Used for testing equipment working current
The installation hole diameter: 26mm

Description

Voltmeter Measure range: 6-30V
Ammeter Measure range: 1-10 A
Used for testing equipment working current
Package content :1 X Digital Display Ammeter Voltmeter

2. VANJING DC 6.5-100V 0-100A LCD Digital Display Voltmeter with 100A Shunt Power Energy Meter Multimeter Amperage Ammeter (DC 100A Tester)

Feature

Voltage test range:DC 6.5-100V;Current test range: 0-100A;Display: 6.50-99.99V
With overload alarm function:If the testing voltage is beyond alarm threshold(6-90V factory alarm value),the backlight and voltage will flash to alarm,at the same time it can be set by yourself.
Data Storage Design:The dc power meter can store energy date when suddenly powered off.
Super Large Digital Display:It can show display voltage, current, active power, energy at the same time.
Package included1X DC 6.5-100V 100A Power Multimeter,1X 100A Current Shunt.

Description

DC multimeter is a compact, lightweight and functional multi-meter, with large-screen LCD display, can display voltage, current, active power and energy at the same time.
It is able to measure voltage, current, power and energy of most electrical devices (100A max.), which features high accuracy, low power consumption and easy reading large display.
It also functions beyond voltage alarm, energy value reset, data storage, backlight control and measuring range option, suitable used for RV battery, voltage regulator, device detection and replacing various pointer-type electric meters.


Specification
Working Voltage: 6.5-100V/DC
Power Rating: 100A/10000W
Measuring Accuracy: 1.0 grade
Power Consumption: 0.2W
Measuring Speed: 2 times/s
Materials: LCD display + PC shell
Meter Dimensions: 9.0x5.0x2.4cm/3.5x2.0x0.9 in
Shunt Dimensions: 10.5x3.0x2.2cm/4.1x1.2x0.9 in

Notes

1. Please remember wiring order cannot be wrong.

2. This module is only suitable for indoor not for outdoor.

3. Applied load should not exceed the rated power or current.

4. This voltmeter is only suitable for 6.5~100V DC power.

Package included :
1 x DC 6.5-100V 0-100A Voltmeter
1x 100A Shunt

3. AstroAI Digital Multimeter with Ohm Volt Amp and Diode Voltage Tester Meter

Feature

Check out our VIDEO on the left side and take a quick tour of AstroAI Multimeter! ACCURATELY MEASURES: Voltage, DC current, resistance, diode, continuity and more
TROUBLESHOOTS: Automotive and household electrical problems safely and accurately
EASE OF USE: Data hold and large digital display with backlit LCD for visibility in dimly light areas
SAMPLING SPEED: 2 times per second. Overload protection on all ranges
1 Year Warranty. Built-in kickstand for hand free use. Protective rubber corner guards for drop protection; Note: the meter can not be used to test AC current and can not be used to test AC voltage when the dial is located in the DC current range

Description

The AstroAI AM33D Multimeter is designed to safely and accurately troubleshoot a variety of automotive and household electrical problems.  It's easy and safe to operate and features many different functions for measuring current, voltage, and resistance, as well as continuity, transistor, and diode testing, which is both for automotive and household uses. Use this multimeter for: household outlets, fuses, wiring, general-purpose batteries, vehicle battery and charging system, automotive circuits and more. The grip of the multimeter is around the edge of the entire multimeter and a kickstand on the back so you don't have to be holding the entire time when you want to use it. It can also be used to diagnose, assemble, and repair circuitry and wiring. Other features include a low battery indicator, continuity buzzer, and overload protection.The Hold Button can be useful when it's for more precise measurements. For example if measuring a sensor you might want to make a note that the meter reads 2.984 V and it's more convenient than trying to remember the value while you write it down on a piece of paper or enter the value into a spreadsheet etc.SpecificationsMax.display: 1999, 3 1/2 digitsRange selection: Manual rangingOverload display: "1" is displayedSampling Speed: 2 times per secondLow Battery IndicationPower: 1 x 9V 6F22 Battery IncludedDiode Test: YesContinuity Test: YesSquare Wave Output: YesDimensions: 5.1" x 2.8" x 1.4"Safety/Compliances: IEC61010 CAT.I 600V, CAT.II 300V, double insulationDC Voltage: 200mV/2000mV/20V/200V ±(0.5%+3), 500V (1%+5)AC Voltage: 200V/500V ±(2%+10)DC Current: 2000μA/20mA ±(1.8%+2), 200mA ±(2%+2), 10A ±(2%+10)Resistance: 200Ω ±(1%+10), 2000Ω/20KΩ/200KΩ ±(1%+4), 20MΩ ±(1%+10), 200MΩ ±[5%(reading-10)+10]Package Includes1 x AstroAI AM33D Digital Multimeter1 x 9V 6F22 Battery2 x Test Leads1 x User Manual

4. bayite AC 80-260V 100A BYT-VAEM-034 Digital Current Voltage Power Energy Analyzer Meter Ammeter Voltmeter with Open-close Current Transformer Split Core CT

Feature

The meter can only measure the active power(real power). It doesn't show Apparent power. If you measure power from a DC-AC inverter please make sure it's PURE SINE WAVE. Otherwise the meter can be burnt or melted
Voltage test range: One-Phase 80~260V AC Power, 50/60HZ; Current test range: 0~100A;
Store energy data when power off(can be reset). w/ Open-close structure Current Transformer. Inner diameter of the CT: 15mm/0.6''
Large-screen LCD (display voltage, current, active power, energy at the same time).
The blue backlight can be turned on/off manually. The CT can be either on Live line or Neutral Line.

Description

This meter can only be used with one-phase AC power. And it can only measure the active power(real power). It doesn't show Apparent power. For more information about the difference, please search AC POWER on wikipedia.

Main Specifications:

Working voltage: 80 ~ 260VAC
Working frequency: 50/60Hz
Measuring:Accuracy: 1%
Power Consumption: 0.2W
Measurement speed: 2 times/s
Store data when power off
The blue backlight can be turned on/off manually

Test Range and Display format:

1.Power: test range: 0~22kW
< 1kW, display: 0.0~999.9W
1kW~10kW, display: 1000~9999W
> 10kW, display: 0.1~22.0kW
2.Energy: test range: 0~9999kWh
<10KWh, display: 0~9999Wh
>10kWh, display: 10~9999kWh
3.Voltage: test range: 80~260V(single-phase)
Display: 80~260V
4.Current: test range: 0~100A
Display: 0.00~99.99A

Precautions

1. Please make sure the AC input is Pure Sine Wave.(Municipal electric power is pure sine wave). Please don't use the meter to measure AC power converterd from a DC-AC inverter UNLESS you can make sure the output from your DC-AC inverter is Pure Sine Wave. This is very importatnt.
2. Applied load should not exceed the rated power.
3. Wiring order can not be wrong.
4. This module is suitable for indoor, please do not use outdoor.

Packing including:
1x 80 ~ 260VAC 100A Power Multimeter w/ Open-close structure Current Transformer

5. Fluke 323 True-RMS Clamp Meter

Feature

Digital clamp meter measures AC current to 400 amp, AC and DC voltage to 600V, and resistance to 4 kilohms. Does not measure DC current
True RMS sensing meter provides accurate readings when measuring linear or non-linear loads, regardless of waveform
Jaw opening measures current in a conductor up to 30mm without touching or interrupting the circuit
Audible continuity sensor confirms that the circuit conducts electricity
Meets IEC safety standard 61010-1, and is rated for CAT IV installations to 300V and CAT III installations to 600V

Description

The Fluke true-rms clamp meter is a great clamp meter for general, grab-and-go troubleshooting needs. The Fluke 323 323-AMZN is ideally suited for current measurements up to 400 a in tight cable compartments.

6. bayite DC 6.5-100V 0-100A LCD Display Digital Current Voltage Power Energy Meter Multimeter Ammeter Voltmeter with 100A Current Shunt

Feature

Voltage test range: DC 6.5~100V; Current test range: 0~100A
Store energy data when power off(can be reset to 0). The blue backlight can be turned on/off manually
With overload alarm function(If active power is larger than threshold, backlight and power will flash)
Large-screen LCD (display voltage, current, active power, energy at the same time)
Note: only display and shunt are included. It doesn't include any wire or accessories

Description


Main Specifications:

Working voltage: DC 6.5 ~ 100V
Measuring Accuracy: 1%
Power Consumption: 0.2W
Measurement speed: 2 times/s
Store Energy data when power off. Can be reset to 0.
The blue backlight can be turned on/off manually

Test Range and Display format:

1.Active Power test range: 0~10kW
2.Energy test range: 0~9999kWh
3.Voltage test range: DC 6.5~100V
4.Current test range: 0~ 100A

Precautions

1. This module is only suitable for 6.5~100V DC power.
2. Applied load should not exceed the rated power.
3. Wiring order cannot be wrong.
4. This module is suitable for indoor, please do not use outdoor.

Packing including:

1x DC 6.5-100V 100A Power Multimeter

7. AIDBUCKS MT200 Digital Clamp Meter 600V Electrical Tester Continuity Diode Test Voltmeter Ammeter 6000 Counts CAT III True RMS (Blue)

Feature

Accurate RMS manual multi-ranging : Accurate measures AC current to 600 amp, AC/DC voltage to 600V,, resistance to 6 kilohms, diode and continuity test
True convenient AC current measurement: Jaw opening measures current in a conductor up to 30mm without touching or interrupting the circuit.
Overload protection & Rapid measurement account maximum display value up to 6000 and about 3 times/s for sampling, the overlaod protection is for the whole range.
Automatic shutdown & Backlit -- Data hold & automatic shutdown(10 min) & low power display provide a simple measure method. The backlit function allows you to operate easily even in the dark.
"24 months warranty" MT200 are in accordance with CE ROHS ETL CAT. 1000V standard. Contains Clamp meter MT200, test leads, "batteries", English manual, packing boxes. As a customer of Aidbucks, you will enjoy our lifelong technical support and service!

Description

Our suppliers have 16 years of experience in meter development and production, focusing on productingf high-quality and safe products.

The clamp meter MT200 can only test the AC current.
If you want to test the AC /DC current, we would like to recommend the digital multimeter PM8233B and MS8232.

non-contact AC current detection: open the clamp head and clamp one cable of
the measured circuit then you can get the data, without the help of other tools.

Specifications:

DC Voltage range and accuracy: 1-600V (0.5%+3)
AC Voltage range and accuracy: 1-600V (0.8%+5)
AC Current range and accuracy: 6/60/400 A 3%+8; 400A-600A 3.5%+10
Resistance range and accuracy: 6k/60k (0.8%+3)
Display: 6000 counts
Automatic shut-down: 10 min
Back light: 1 min
Sampling time: about 3 times / sec
Overrange display: '0L' or '-0L'
Polarity indication: '-' indicates negative polarity
Short circuit buzzer :

General Specifications:
Dimensions: 7.4*2.8*1.5 in
Power: 2 x 1.5V AAA Batteries
Safety Rating: CE CAT.III 600V RoHS

Package List:
1* Clamp Multimeter
1* Pair Test Leads
1* English manual
1* Carry Case
2 * 1.5V AAA Batteries

NOTE:
1. Before opening the meter case or battery cover, remove the test leads from the circuit under test.
2. Use a damp cloth and a mild detergent to clean the meter, do not use abrasives or solvents.
3. When you're using the MT200 to test current circuits, make sure to separate and single out
the cable/wire you want to measure. Cables on the market currently bundle live and null
wires together which makes accurate measurements difficult, if not impossible.

8. DROK 0.28"High Accuracy DC 0-33.00V/0-999.9mA-3.000A 12V Voltmeter Ammeter Voltage Current Tester Monitor Panel Gauge

Feature

Measuring Voltage: 0.00-33.00V; Measuring Current: DC 0-999.9mA-3.000A(change the resolution automatically)
This Volt/Amp meter is 0.28'' 4 digit high accuracy dual display, the display is bright and sharp.
When measuring current, the measured line provides power supply. Don't need a isolated power supply.
High accuracy voltage measurement with measuring line voltage drop compensation.
A good tool to monitor charging LI-ion batteries and electronics bench, etc.

Description

Technical Parameters:
Display color: Red+Blue
Display mode: Dual 0.28" LED digital 4 bit tube
Refresh rate: About 200 ms/time
Dimensions: 48 x 29 x 21 mm (L*W* H)
Cutting size: 45 x 26 mm (L*W)
Supply voltage: DC 3.5-28V
Lead wire length: 14 cm (5-wires)
Measurement range: DC 0-999.9mA-3.000A(current); 0.00-33.00V(voltage)
Operation temperature: -10 degrees~65 degrees
Measurement accuracy: (0.3% + 2 digits)
Net weight : 22g

Display Description:
Voltage measurement range: 0.00-33.00V; the minimum resolution is 10mV.
Current measurement range: 0-999.9mA-3.000A. when the measuring current is below 1A, it display ***.*mA, the resolution is 0.1mA; when the measuring current is higher than 1A, it display *.***A, the resolution is 1mA.

Wiring Instruction:
RED(VCC): Power input+, 3.5-28V (NOTE: If the measuring signal is lower than 28V and have abundant power supply, it can be used as power supply for the meter. black wire and yellow wire are contacted together to use)
Black(GND): Power input- , Measurement signal- (3.5-28V)
Yellow(VIN): Measurement signal+ (0-33.00V)
RED(I+): Current input+ (must be connected in series between Power Supply Negative and Load Negative)
Black(I-): Current input- (must connected in series between Power Supply Negative and Load Negative)

Package Includes:
1x 0-33.00V/0-3.000A Volt Amp Meter

9. MICTUNING DC 6.5-100V 0-100A LCD Digital Display Ammeter Voltmeter Multimeter Volt Watt Power Energy Meter Blue with 100A/75mV Shunt

Feature

MICTUNING 4-in-1 DC Multimeter - with 1.0 grade measuring accuracy, it combines Voltage, Current, Power and Energy measurement in one combo, super compact and lightweight that can be portable and easily used
Unique Voltage Alarm Function- the backlight and voltage value will flash simultaneously if the testing voltage is beyond alarm threshold (6-90V factory alarm value), and it can be set if needed
Data Storage Design - it is designed to automatically storage the last testing data when suddenly powered off and the energy value can be reset by a short press after long pressing the function button for seconds
Super Large Digital Display - 51x30mm easy reading LCD screen, clearly displays all testing figures at the same time, while the recessed button used to control the backlight, reset energy value, set voltage alarm threshold and choose measuring range
Bonus Current Shunt - it comes with a 100A/75mV current shunt, suitable for large range measurement, no need to waste extra money to get another one.Plus, we offer 1 Year MICTUNING Warranty and lifetime free technical support and friendly customer services

Description

MICTUNING 4-in-1 DC Multimeter
MICTUNING DC multimeter is able to measure voltage, current, power and energy of most electrical devices (100A max.), which features high accuracy, low power consumption and easy reading large display. It also functions beyond voltage alarm, energy value reset, data storage, backlight control and measuring range option, suitable used for RV battery, voltage regulator, device detection and replacing various pointer-type electric meters.

Specification
Working Voltage: 6.5-100V/DC
Power Rating: 100A/10000W
Measuring Accuracy: 1.0 grade
Power Consumption: 0.2W
Measuring Speed: 2 times/s
Net Weight: 190g/0.42lb/6.70oz
Materials: LCD display + PC shell
Meter Dimensions: 9.0x5.0x2.4cm/3.5x2.0x0.9 in
Shunt Dimensions: 10.5x3.0x2.2cm/4.1x1.2x0.9 in

Display format:
1. Power: 0-10KW Test Range, within 1KW, 0.0-999.9W; 1KW and above, 1000-9999W
2. Energy: 0-9999KWh Test Range, within 10KWh, 0-9999Wh; 10KWh and above, 10-9999KWh
3. Voltage: 6.5-100V, it shows 6.50-99.99V
4. Current: 0-100A, it shows 0.00-99.99A

Notices:
1. Wiring order cannot be wrong.
2. This meter is suitable for indoor use ONLY.
3. Applied load should not exceed the rated power or current.
4. "Zero current" and "All 888s display" are mostly caused by wrong wiring.
5. Need a pointing tool to press the function button to prevent accidental touch.

Warranty
We sell it and stand behind it.1 Yr MICTUNING Warranty and lifetime Friendly Customer Service.

Package List:
1 x DC Digital Multimeter
1 x 100A Current Shunt

10. WATERWICH DC12-24V/0.1-10A Dual LED Digital Multimeter Amp Voltage Meter 2-in-1 Current Tester and Voltage Tester For Boat Marine Vehicle Truck ATV UTV Car Camper LED Round Panel (Blue)

Feature

2-in-1 current voltage meter, real time monitoring battery of vehicles, remind you of charge or replacement in time, better avoid emergent dead battery at starting car engine!
High temperature resistant,Made of Eco-friendly & flame retardant durable ABS plastic and good conductivity pins with black matte surface treatment, wear and tear resistant for long lasting durability,CE Certification.NOT WATERPROOF
Manual:This is the only 2-in-1 current voltage meter that didn't come with Installation Notes,but We show the wiring diagram in the product picture.And is very easy to Install.Require external power supply; with reversed connection protection
Panel Flush Mount and Easy to Install, drill size of 1.15" diameter, ,Comes with 3 terminals.with Twist & Lock fastener for stable mounting, Fits to almost all panel locations you desired!
Note: 10A below ammeter (include 10A), built-in shunt, does not require external shunt Over-current,Over-volt and Short Circuit Protection, well protects the whole circuit, fits for most 12-24V Boat Marine Vehicle Motorcycle Truck ATV UTV Car Camper LED Round Panel

Description

Specifications:
Voltage measuring range: DC10V-28V
Ammeter measuring range: DC 0.1A-10A
Display color : Red / Blue/ Green
Operating temperature: -40 to 85

Features:

Display the AC voltage and current simultaneously by LED digital tube.

With reversed-connection protection to avoid burning when connected reversely.but the max power supply can not exceed DC 28V .

Timely grasp the state of battery voltage, voltage measurement purposes can also be used for other products

shows you the voltage readings and helps you to better monitor car voltage condition. Say Goodbye to Exhausted Battery Before Each Drive!

Built in over current, over voltage and short circuit protection,

CE Certification,High temperature resistant,it well protects the whole circuit. While made of eco-friendly and flame retardant ABS plastic shell and good conductivity

connecting pins, it is super sturdy and lasts for a long long time.

Panel Flush Mount and Easy to Install, drill size of 1.15" diameter, ,Comes with 3 terminals.with Twist & Lock fastener for stable mounting, Fits to almost all panel locations you desired!

Fits for most 12-24V Boat Marine Vehicle Motorcycle Truck ATV UTV Car Camper LED Round Panel

Notice:
10A below ammeter (include 10A), built-in shunt, does not require external shunt

11. DROK 0.28"LED DC0-100V 10A Digital voltmeter Ammeter 2in1 Multimeter 12V/24V Voltage Amperage Meter Volt Amp Gauge Panel

Feature

With small sized x 29 x 21 mm ), wide measuring range(dc 0-100v; 0-10A) and high accuracy percent ( 1 digit))
Display Voltage and current simultaneously in different colors, red for Voltage, Blue for current (the current is Measured in the negative rail)
Require external power supply; with reversed connection protection
Ground wire of testing end and power supply terminal is the same wire; quick refresh of about 500 MS/time
With built-in shunt, has Voltage and current calibration potentiometers

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 Meter

12. GERI Volt Amp Voltmeter Ammeter 2in1 LED Digital Voltage Current Measurement Meter DC 5V 12V 4.5-30V/100A with Shunt Red +Blue

Feature

GERI Testing current: 0-100AMeasure range: DC4.5-30V
Operating humidity1080%Operating temperature-10+65working air pressure80106kPa
Display voltage and current simultaneously(the current is measured in the negative rail)
Ground wire of testing end and power supply temninal is the same wire; quick refresh of about 500 ms
0.28" DC digital LED display in two colors (red+blue), bright LED, easy to read

13. DT830B LCD Digital Voltmeter Ammeter Ohm Multimeter

Feature

Digital AC/DC multimeter with diode and transistor test function
Large 2"X1/2" LCD display with a maximum reading 1999
Automatic low battery and overload indication
Light and compact, easily fit into pocket
1 Year Tekpower Warranty

Description

Specifications:
DCV:0-200mV/0.25%-2-20-200-1kV/0.5%
ACV:0-200V-750V/1.2%
DCA:0-200u-2m-20m/1.0%-200mA/1.2%-10A/2.0% Fused.
R:0-200-2k-20k-200k/0.8%-2Mohm/1.0% hEF measurement Diode test Battery, test leads and manual included.

14. uxcell DC 0-200V 100A Blue Red LED Dual Digital Panel Voltmeter Ammeter Meter

Feature

Country of Manufacture: CHINA; Brand: Assisi; Material: Plastic, Electronic Component; Net Weight: 24g
Package Content: 1 x LED Digital Panel Meter; Bits: 4 Bit; Display Type: Dual Digital Display
Product Name: LED Digital Panel Meter; Measure Voltage: DC 0-200V; Measure Current: DC 0-100A
Display Method: 7 Segment; Display Color: Blue Color on Voltmeter and Red on Ampmeter; Size(Approx): 48 x 29 x 22mm/ 1.9" x 1.2" x 0.8"(L*W*T)
Mounting Size: 45.5 x 26.5 mm/1.8" x 1.1" (L*W); Wire Length: 14.5cm/5.7"; Color: As Picture Show

Description

Voltmeter and Ammeter,2 in 1 function Voltmeter Ammeter,Top blue linedisplay voltage,bottom redlinedisplay current.Equipped with three connection,convenient access tocar/electromobile/motorcycle circuitline,used to monitor the battery voltage,timely grasp the state of battery voltage,voltage and current measurement can also be used for other products use.Wire Instructions:Thin Red Line(VCC): power supply input positive (4.5-30V)Thin black line(GND): powersupply input electrode (4.5-30V)and signal groundThick black Line:public line,ground wireThick Red Line:signal line voltage measurementThick Yellow Line:current inputs,connecttest equipmentNotice:More than 10A need external shunt(75mV),under 10A direct connect circuit.The maximum of input voltage cannot be exceed of 30V,otherwise would be burnt.

Conclusion

By our suggestions above, we hope that you can found the best ammeter voltmeter for you. Please don't forget to share your experience by comment in this post. Thank you!