I was wondering what the dimensions of the tester are? The description says 2" x 3" but it doesn't appear that small in the picture. Thank you.

The meter in the picture is, indeed, the GMT-319. It's dimensions are: HEIGHT (5 3/4"), WIDTH (3 3/4"), DEPTH (1 1/2").The dimensions you list in your question, however, are for the GMT 312.And I own both meters.

for voltage measurements, does it need battery to operate?

It shouldn't need a battery for voltage tests. Battery is needed for continuity testing, and resistance testing. This is a theoretical answer. I haven't tried using it without the battery.

if i want to test 110v or 240v , how do i set this meter?

To the right of off is the AC display turn the selector nob to 250v AC then you measure the 110v/240v respectively and don't exceed 250v at that setting

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GMT-319

Product ID: 18366341

Details

Brand
Gardner Bender
Color
Black
Item Weight
0.01 Ounces
Power Source
Battery
Style
7 Function /

⚡7 versatile measurement functions

🎯19 precise manual ranges

🛡️Fuse overload protection circuitry

€ 72.54

Duties & taxes included

In stock

Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up your diagnostics with precision and safety!

SAFETY FIRST - Built-in fuse overload protection safeguards you and your device during intense diagnostics.
COMPLETE KIT READY - Includes replaceable test leads and RJ-45 & RJ-11 adapters for versatile connectivity.
MULTIFUNCTION MASTERY - Measure DC/AC voltage, current, resistance, continuity, and more with 7 essential functions.
PRECISION AT YOUR FINGERTIPS - 19 manual ranges ensure pinpoint accuracy for every electrical test.
USER FRIENDLY ANALOG DISPLAY - Color-coded, easy-to-read dial with mirror scale reduces errors and speeds up troubleshooting.

The Gardner Bender GMT-319 is a professional-grade analog multimeter featuring 7 measurement functions and 19 manual ranges, designed for homeowners, hobbyists, and pros. It offers a clear color-coded display, fuse overload protection, and includes RJ-45 & RJ-11 adapters, making it a reliable tool for comprehensive electrical testing and troubleshooting.

Specifications

ASIN	B0002YUN4C
Best Sellers Rank	#94,821 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #133 in Multi Testers
Brand Name	Gardner Bender
Color	Black
Customer Reviews	4.4 4.4 out of 5 stars (1,057)
Global Trade Identification Number	00032076073008
Included Components	Gardner Bender GMT-319 Multimeter Tester, RJ-45 & RJ-11, 19 Range
Item Dimensions	2 x 2 x 3 inches
Item Type Name	Gardner Bender GMT-319 Multimeter Tester, RJ-45 & RJ-11, 19 Range
Item Weight	0.01 Ounces
Manufacturer	Gardner Bender
Measurement Type	Multimeter
Model	GMT-319
Part Number	GMT-319
Power Source	Battery Powered
Style Name	7 Function / 19 Range
UPC	032076073008
Unit Count	1.0 Count
Warranty Description	Warranty

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