What should I pay attention to when measuring current?

First, select the correct range according to the object being measured. This multimeter has μA, mA, and 10A ranges. Second, to measure current, the current needs to be connected in series to the circuit.

Can this measure AC current?

This multimeter can not measure AC current.

The product does not work. What is the reason?

When the product does not work properly, you can check whether it is operating normally from four aspects: battery, circuit board, test lead, and fuse.

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Description

🔧 Power Up Your Precision: The Multimeter Every Pro Needs!

ALL IN ONE ESSENTIAL TOOL - Perfect for DIYers and pros alike—ideal for automotive, household, and industrial electrical diagnostics.
BATTERY HEALTH AT A GLANCE - Auto-detects and displays battery status for 1.5V, 9V, and 12V batteries—never get caught with a dead power source again.
USER FRIENDLY IN ANY LIGHT - Backlit LCD screen and data hold function make testing easy even in dim or tight spaces.
PRECISION MEETS VERSATILITY - Accurately measures voltage, current, resistance & diode for all your electrical troubleshooting needs.
BUILT FOR SAFETY DURABILITY - Double fuse anti-burn system and silicone cover protect you and your device from overloads and shocks.

The AstroAI Digital Multimeter MT33D is a compact, battery-powered tool designed for precise measurement of AC/DC voltage, DC current, resistance, and diode testing. Featuring a backlit LCD, double fuse safety protection, and versatile battery test modes, it’s engineered for both professional and DIY electrical troubleshooting across automotive, household, and industrial applications.

Specifications

Manufacturer	AstroAI
Part number	MT33D
Item Weight	150 g
Product Dimensions	3.7 x 7.3 x 13 cm; 150 g
Batteries	21 Lithium Metal batteries required. (included)
Item model number	AM33D
Size	M
Colour	Blue
Style	compact
Material	ABS
Power source type	Battery Powered
Voltage	9 Volts
Item Package Quantity	1
Number of Pieces	1
Measurement System	imperial
Display style	LCD
Specification met	Iec 61010
Special Features	Ohm Volt Amp and Diode Test
Included components	1 x Multimeter, 1 x Test Leads (Pair), 1 x user manual
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Zinc Carbon

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.