+ $8.94 Delivery
Arrives: 16 - 18 Nov
Fastest delivery: 3 - 5 Nov
In stock.
US imports may differ from local products. Additional terms apply. Learn More.

Amazon Global Store

  • International products have separate terms and are sold from abroad and may differ from local products including fit, age rating, and language of product, labeling, or instructions.
  • Manufacturer warranty may not apply but you may have other rights under law.
  • Learn more about Amazon Global Store
Your transaction is secure
We work hard to protect your security and privacy. Our payment security system encrypts your information during transmission. We don’t share your credit card details with third-party sellers, and we don’t sell your information to others. Learn more
Ships from Amazon US
Sold by Amazon US
Ships from
Amazon US

Sold by

AstroAI Digital Multimeter, TRMS 4000 Counts Volt Meter Manual and Auto Ranging; Measures Voltage Tester, Current, Resistance, Continuity, Frequency; Tests Diodes, Temperature, Red

4.6 out of 5 stars 2,474 ratings

Price: $45.16 + $8.94 Delivery
  • WIDE RANGE of tests for AC/DC Voltage, AC/DC Current, Resistance, Continuity, Capacitance, Frequency and Temperature; Tests Diodes
  • PROFESSIONAL LEVEL features include Auto-Ranging capability, and True RMS for measuring both AC Current and Voltage
  • EASE OF USE: Convenient features like Data Hold, Large LCD Backlit Screen, Kickstand, and Low Battery Indicator make taking and recording measurements easier than ever before
  • IDEAL FOR COMMERCIAL settings where it can handle the demands of a long workday, from the durable exterior to the wide range of heavy-duty capabilities

Product Information

Technical Details

Additional Information

Have a question?

Find answers in product info, Q&As, reviews

There was a problem completing your request. Please try your search again later.
All Product Information Customer Q&A's Customer Reviews

Your question may be answered by sellers, manufacturers, or customers who purchased this item, who are all part of the Amazon community.

Please make sure that you've entered a valid question. You can edit your question or post anyway.

Please enter a question.

Product description

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.

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% RH
Storage Temperature: 14°F~122°F (-10°C~50°C); <85% RH
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

Customer Questions & Answers

Customer reviews

4.6 out of 5 stars
4.6 out of 5
2,475 global ratings
How are ratings calculated?

Review this product

Share your thoughts with other customers

Top review from Australia

Reviewed in Australia on 18 May 2020
Verified Purchase

Top reviews from other countries

Lee Webb
5.0 out of 5 stars Absolutely fantastic
Reviewed in the United Kingdom on 4 April 2020
Verified Purchase
22 people found this helpful
Report abuse
Alex S Wilson
5.0 out of 5 stars Good value, excellent support, a few small issues.
Reviewed in the United Kingdom on 15 November 2019
Verified Purchase
7 people found this helpful
Report abuse
Reviewed in the United Kingdom on 14 June 2019
Verified Purchase
11 people found this helpful
Report abuse
5.0 out of 5 stars AstroAI 4000 counts Multimeter
Reviewed in the United Kingdom on 24 June 2020
Verified Purchase
One person found this helpful
Report abuse
1.0 out of 5 stars Faulty right out the box
Reviewed in the United Kingdom on 19 August 2020
Verified Purchase
Pages with related products. See and discover other items: Top rated in Multi Testers