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.

Note:
1. When the Meter is working at an effective voltage over 60V in DC or 30V rms in AC, special care should be taken because there is a danger of electric shock.

2. Before using the Meter, inspect the exterior casing. Do not use the Meter if it is damaged or if all or part of the exterior casing is removed. Look for cracks or missing plastic. Pay special attention to the insulation around the connectors.

3. If you have mistakenly connected the red test lead to the 500mA selection, then used this meter to test larger current(like 10A) or higher voltage, it might probably burn out the wires even the meter.

4. If you are the beginner, you should have known some basic physical concecpts and basic methods of using a meter, you also should have read the user manual carefully and known the consequences of misuse because any misuses will probably cause serious results.

5. This multimeter can not be used to test EMF.

Specifications
Max.display: 1999, 3 1/2 digits
Range selection: Manual ranging
Overload display: “1” is displayed
Sampling Speed: 2 times per second
Low Battery Indication
Power: 1 x 9V 6F22 Battery Included
Diode Test: Yes
Continuity Test: Yes
Square Wave Output: Yes
Dimensions: 5.1″ x 2.8″ x 1.4″
Safety/Compliances: IEC61010 CAT.I 600V, CAT.II 300V, double insulation
DC 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 Includes
1 x AstroAI AM33D Digital Multimeter
1 x 9V 6F22 Battery
2 x Test Leads
1 x User Manual

Do It All, and Then Some

The Etekcity MSR-R500 Digital Multimeter is a practical tool for electricians, hobbyists, and general household use. It is easy to operate and features many different functions for measuring current, voltage, and resistance, as well as continuity, transistor, and diode testing. It can be used to diagnose, assemble, and repair circuitry and wiring. Other features include a low battery indicator, continuity buzzer, and overload protection. It’s tough rubber sleeve protects it from the drops and falls associated with the toughest jobs.

Built for Everyday Use

A Data Hold function keeps the measurements displayed on the MSR-R500 while you record them and a larger display makes the MSR-R500 multimeter even easier to read. Add in the LCD backlight and protective rubber bumper and this is the meter for every job.

Specifications

Safety/Compliances: IEC61010 CAT.I 600V, CAT.II 300V, double insulation

Max.display: 1999, 3 1/2 digits

Range selection: Manual ranging

Overload display: Display OL

Sampling Speed: 2 times per second

Power: 1 x 9V 6F22 Battery Included (Low Battery Indication)

Diode Test: Yes

Continuity Test: Yes

Square Wave Output: Yes

Dimensions: 5.1″ x 2.9″ x 1.4″

DC Voltage: 200mV/2000mV/20V/200V ± (0.5%+2), 500V (0.8%+2) 

AC Voltage: 200V/500V ± (2%+10)

DC Current: 2000μA/20mA ± (1%+2), 200mA ± (1.2%+2), 10A ± (2%+5)

Resistance: 200Ω ± (0.8%+5), 2000Ω/20KΩ/200KΩ ± (0.8%+2), 20MΩ ± (1%+5), 200MΩ ± [5%(reading-10)+10] 

Package Includes

1 x Etekcity MSR-R500 Digital Multimeter

2 x Test Leads (pair) 

1 x GP Supercell 6F22 9V Battery

1 x User’s Manual

The AstroAI True RMS Multimeter is designed to be safely and accurately used by professionals in a commercial setting or weekend DIYer’s that need a little more power utility from their standard digital multimeter. It’s easy and safe to operate with advanced features built for measuring seemingly everything. Run tests on diodes while being able to measure voltage, current, resistance, continuity, capacitance, and frequency, all on one device. This multimeter is designed to be used in commercial settings, but can also be brought home to use with automotive or household electrical problems.

Specifications
Digital Display: 3 ¾ , 3999
Sampling Speed: 2 times per second
LCD Size: 55 x 31mm
Range Selection: Auto or Manual

Polarity Indication
Overload Indication
Low Battery Indication

Operating Environment: 32°F~104°F (0°C~40°C); <80%>
Storage Temperature: 14°F~122°F (-10°C~50°C); <85%>
Power: 3 x 1.5V, AAA Batteries Included
Dimensions: 145x70x35mm
Weight: Approx 157g

Safety/Compliances: EN 61010-1 CAT III 600V
DC Voltage: 400mV ±(0.8%+3), 4V/40V/400V ±(0.8%+3), 600V (1%+5)
AC Voltage: 400mV ±(1.2%+5); 4V/40V/400V ±(1.0%+8); 600V ±(1.2%+5)
Temperature: -40°C~1370°C; -40°F~2000°F (2.5%+4 depending on temp)
DC Current: 400μA/4000μA/40mA/400mA ±(1.2%+8); 4A/10A ±(1.2%+8)
AC Current: 400μA/4000μA/40mA/400mA ±(1.5%+8); 4A/10A ±(2.0%+10)
Resistance: 400Ω/4KΩ/40KΩ/400KΩ/4MΩ ±(1.5%+3); 40MΩ ±(1.5%+3)
Capacitance: 40nF±(8%+10); 400nF/4μF/40μF/400μF/40mF/100uF~2mF±(5%+5)
Frequency: 5/50/500/5K/50K/500K/5MHz ±(1%+3)

Package Contents:
1 x AstroAI 4000 Counts Digital Multimeter
1 x Test Leads (Pair)
1 x K-Type Thermocouple
1 x User Manual

Visual LED bar graph indicates the presence of voltage. The higher the voltage sensed, or the closer to the voltage source, the more LEDs light up. Bright flashlight illuminates work area and may be used independent of voltage detection function.

BONUS: Add B07WQ21YMY to cart and enter code 3Q6XJ2SQ, recieve 10pcs test leads with alligator clips for only 5.38.

Main functions:

AutoRange/Analog Bar Display/True RMS/NCV/Data hold/Back light/LED lamp/Diode test/Triode test/Continuity/Over load protection/Low Battery Indication/Auto Power Off/Short-circuit protection.

NCV:

Place the multimeter close to the AC voltage source (no wire is required) and the multimeter will display the voltage and give a corresponding prompt.

HTN full-viewing angle screen, 180 degree viewing angle. Has two LED backlights, Display is brighter than other sellers’. When the measured voltage exceeds 80V or current exceeds 1A, the white backlight will turn orange as a danger warning.

Wide range of applications: car repair, industrial circuit inspection, home circuit check.

Specification:

• Safety Level/Certification: IEC-61010-1 CATⅢ 1000V, CAT IV 600V, double insulation
• Display: True RMS, 6000 counts, 3 5/6 digits
• Overload Display: Display OL
• DC Voltage: 600mV/6V/60V/600V±(0.5%+3), 1000V ±(0.5%+3)
• AC Voltage: 600mV/6V/60V/600V/750V±(0.8%+5)
• DC Current: 600μA/6000μA/60mA/600mA/10A±(1.2%+3)
• AC Current: 600μA/6000μA/60mA/600mA/10A±(1.5%+3)
• Resistance: 600Ω/6KΩ/60KΩ/600KΩ/±(1.0%+3),6MΩ/60MΩ ±(1.5%+3)
• Capacitance: 10nf/100nf/1000nf/10uf/100uf/1000uf±(4.0%+5), 10MF/100MF±(5.0%+5)
• Frequency/Duty:10Hz/100Hz/1000Hz/10kHz/100kHz/1000kHz ±(1.0%+3),10MHz/±(3.0%+3)

Package Content:

1 x HT118A Multimeter

1 x Test Leads

2 x AA Battery

1 x User Manual

1x Thermocouple

Is EMF real?

Well, think about this. Without protection, a computer's CPU would not be able to function due to all the conflicting electromagnetic chaos. Without this protection, computer CPUs would be rendered useless. Computer manufacturers have been using this technology for decades. But it wasn't until recently that we have begun using this same technology to protect ourselves.

THIS IS THE SAME TECHNOLOGY THAT HAS BEEN PROTECTING COMPUTER CPUs FOR DECADES!

The INNOVA 3320 is a Auto-Ranging Multimeter designed to safely and accurately troubleshoot a variety of automotive and household electrical problems. It’s auto-ranging scales eliminate the need to dial in the correct range when making electronic measurements. The 10 MegOhm input is safe for automotive and household uses (i.e., household outlets, fuses, wiring, general-purpose batteries, vehicle battery and charging system, automotive circuits and more). The color-coded LEDs allow you to quickly check household batteries (green = good, yellow = weak and red = replace). Includes attachable test leads, holders and stand for hands free use and features protective rubber corner guards for drop protection. The INNOVA 3320 has a single setting resistance function for AC and DC voltage.

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