GB Digital Digital Multimeter 500 VAC 600 VDC 2 meg Ohm Red/Black(GDT-3190)

Item no: 3260445 | 032076068370
270  Estimated 

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  • Product Type: Digital Multimeter
  • Test Range: 500 VAC, 600 VDC 2 meg Ohm,
  • Color: Red/Black
  • Batteries Included: No
  • Assembled Length: 4.75 in.
  • Automatic Ranging: No
  • Battery Size: 9V
  • Assembled Width: 2.8 in.
  • Automatic Delay Shutoff: Yes
  • 9.23 in high
  • Four testing functions: AC voltage to 500V, DC voltage to 600V, resistance to 2 meg Ohms and battery testing for 1.5 and 9V batteries
  • 14 position manual ranging smooth rotary style achieves precise readings
  • Low battery indicator 3.5 in. clear digital display
  • Tight and secure input jackets
  • Replaceable 26 in. test leads
  • Snap in proves spaced to fit standard outlet
  • Protective rubber boot and lead holders
  • Wrap around lead storage
  • 6 ft. drop rating and 150 lb. crush rating
  • Comes with leads and operating instructions
  • Tester is rated CAT III 600V
  • Conforms to 61010-1 standards and certified to CAN/CSA C22.2

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What people are saying

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GB ELECTRICALGB® Digital Multimeter (GDT-3190)

(based on 1 review)

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Reviewed by 1 customer

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(11 of 11 customers found this review helpful)


Good meter - bad case

By David in Sloan's Lake

from Denver, CO

About Me Casual Do-It-Yourselfer

Verified Reviewer


  • Durable


  • Poor Design

Best Uses

  • Occasional use

Comments about GB ELECTRICAL GB® Digital Multimeter (GDT-3190):

Setting up the multimeter for initial use can be quite challenging because the instructions don't tell you how to remove the protective rubber boot to install the 9V battery that the device requires for operation. You basically have to pry the thing off with a dull instrument (like a butter knife) -- it feels like you are going to break it. Then you see that there is no door to access the battery but rather two tiny phillips screws that have to be removed so that you can take off the entire back of the device's case. All that just to expose the battery connector! Once you have reassembled the meter and you want to put the boot back on, you'll need that same tool you used earlier to pry it off. Finally, stowing the probes and cord on the back of the unit is very challenging. There isn't enough space to wind the leads completely, and snapping the probes into their holders again feels like you might break them.

Surprising, though, the plastic protective boot does seem pretty durable and can take quite a bit of forcing and bending -- and it does generally seem to protect the meter. The boot makes holding the meter a bit easier, and it seems like it won't slide around as much on surfaces where you lay the meter while you are performing measurements.

The meter itself performs well, the display is easy to read, the main selector feels durable, and the simplicity of only two terminals to which the probes connect is handy (unlike some other multimeters where you have to decide in advance what you are testing and plug in the probes to one of several terminals).

All in all, the design of the boot is very poorly executed and quite frustrating. However, there are few other offerings of a digital multimeter with a protective casing in the GDT-3190's price point. So if want the protective boot and are willing to put up with its poor design, then this meter should perform well for you. I would recommend it to a friend, but only after demonstrating the poor design of the protective boot.

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