What type batteries does this take? Usually the x1 range requures 9v

Hello, This takes a 1.5v AA battery.

Yes. My unit is currently on loan to a friend. Not sure what the fuse size is. Per a a previous review for this product I found:It has one .5 Amp 250V 3/4" fuse and a spare fuse holder in the battery compartment.

Where are the instructions, didnt recieve anything worthwhile

You can find instructions on the manufactures website

Could this ptok up the ( very low ? ) voltage of a doorbell wire, im trying to figure out if there even is a ( current ? ) flowing to the push button

Most door bells are about 6 to 24 VAC. If you put your meter on the 50 ACV selection and put the leads across the door bell contacts you should read a voltage. When you push the door bell button you will complete the circuit by closing the button contacts and that should make your reading go to zero and the bell to ring.

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Gardner Bender GMT-312 Analog Multimeter, 5 Function / 12 Range, 300V AC/DC, for AC/DC Voltage & Current, Resistance, Continuity & Batteries, Black

Product ID: 257034286

Details

Brand
Gardner Bender
Power source
Battery
Style
5 Function /
Colour
Black
Item weight
0.05 Pounds

⚡300V AC/DC voltage range

🎯13-position rotary dial precision

🔄5 versatile measurement functions

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€ 55.66

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Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Master your electrical game with precision and confidence!

SAFETY FIRST - Fuse overload protection and UL agency approval ensure reliable, worry-free use.
COLOR CODED CLARITY - Easy-to-read, color-coded display minimizes errors and speeds up diagnostics.
ERGONOMIC PORTABLE - Compact triangle design with clear test lead icons for intuitive, on-the-go troubleshooting.
ALL IN ONE TESTING POWER - Measures AC/DC voltage, DC current, resistance, continuity, and battery health.
PRECISION AT YOUR FINGERTIPS - Manual range selection with zero ohms adjustment for exact readings every time.

The Gardner Bender GMT-312 is a compact, battery-powered analog multimeter featuring 5 functions and 12 ranges, capable of measuring up to 300V AC/DC voltage, DC current, resistance, continuity, and battery status. It offers a 13-position rotary dial, manual zero ohms adjustment, color-coded displays, and built-in fuse overload protection, making it a reliable and safe tool for professional and DIY electrical diagnostics.

Specifications

Manufacturer	GB Electrical
Part number	GMT-312
Item Weight	22.7 g
Product Dimensions	8.89 x 6.05 x 2.87 cm; 22.68 g
Item model number	GMT-312
Size	300V
Color	Black
Style	5 Function / 12 Range
Material	Plastic
Shape	Triangle
Power source type	Battery Powered
Voltage	300
Item Package Quantity	1
Specification met	UL
Included components	1
Batteries Included?	No
Batteries Required?	Yes

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