Key Features
Protects Large MetersThe main bay is built to carry digital manifolds and meters up to 13.5 inches tall, with two padded interior pockets to help protect sensitive diagnostic gear in transit. Compact Diagnostic Bag LayoutThis Veto Pro Pac MB3 BLACKOUT Large Sized Zippered Diagnostic Bag gives you 13 available pockets for wireless probes and small hand tools, so your meter bag stays organized instead of turning into a dump pouch. Built For Jobsite WearA tarpaulin-covered rear pocket, reinforced bottom, and YKK zippers help this bag handle abrasion, weather exposure, and daily loading in service trucks and on jobsites.
Overview
The Veto Pro Pac MB3 BLACKOUT Large Sized Zippered Diagnostic Bag is a compact meter bag built for technicians who need to store, carry, and protect testing equipment without hauling a full-size tool bag. This is a zippered diagnostic bag designed for storing, transporting, and protecting large meters, wireless probes, and a small selection of hand tools. Model Number: MB3 BLACKOUT. If you work in HVAC, service, electrical troubleshooting, or field diagnostics, this bag is sized for the gear you actually reach for most.
The big selling point here is usable storage in a compact footprint. The main bay is designed for digital manifolds and meters up to 13.5 inches tall, which matters if your current setup forces you to cram expensive test gear into a general-purpose pouch. Inside that main pocket are two padded interior pockets that help separate and protect meters. On top of that, you get 13 available pockets for wireless probes and small hand tools, so the bag works as a real diagnostic setup, not just a tote.
Veto built this one with the same practical thinking that makes their service bags popular with techs. The rear pocket is tarpaulin covered for added weather and abrasion protection, the bottom is reinforced to deal with truck floors and rough surfaces, and the zippers are YKK. Those details are not fluff on a meter bag. They are the difference between a bag that still opens clean after months of service work and one that starts failing at the zipper or wearing through on the base.
Carry options are another strong point. The MB3 BLACKOUT comes with a removable sling-style shoulder strap and a removable oversized elastomeric carrying handle, so you can set it up for quick grab-and-go runs or carry it at your side when you are moving through tight mechanical rooms, rooftops, and service calls. That kind of flexibility is useful when the load changes from job to job.
For day-to-day organization, the electrical tape strap and dedicated pocket layout make more difference than they sound like they would. Diagnostic work usually means moving between meters, probes, leads, and a few hand tools over and over. A bag like this saves time because each item has a place, which means less digging and less chance of beating up expensive instruments. The internal volume is 270 cubic inches, and the max payload is rated at 25 pounds, so it is sized for diagnostic carry, not bulk storage.
This bag is best suited to technicians who want a purpose-built diagnostic bag instead of a generic tool bag. HVAC techs carrying manifolds and probes, electricians carrying meters and testers, and service pros who want a compact shoulder bag with better protection than a soft pouch are the clear audience. If you need to carry a full hand tool loadout, go bigger. If your priority is protecting meters and keeping diagnostic gear organized, the MB3 BLACKOUT is right in its lane.
Protect Your Diagnostic Gear
This layout is built around test gear first. The padded interior and tall main bay help keep meters and probes from getting knocked around while you move between service calls.
- Main bay fits meters up to 13.5 inches tall
- Two padded interior pockets help separate and protect instruments
- 13 available pockets support wireless probes and small hand tools
Carry It Your Way
The removable sling strap and removable carry handle give this compact tool bag more flexibility than a fixed-layout meter pouch. You can set it up for quick shoulder carry or grab it by the handle when you want something tighter to your side.
- Includes removable sling-style shoulder strap
- Includes detachable oversized elastomeric carrying handle
- Reinforced bottom and tarpaulin-covered rear pocket help with jobsite wear
What’s in the Box
- (1) Veto Pro Pac MB3 BLACKOUT diagnostic bag
- (1) Removable sling strap
- (1) Removable carrying handle
Removable backpack straps are sold separately.
Key Specifications
| Height (in) | 14 in |
|---|---|
| Width (in) | 11 in |
| Depth (in) | 5 in |
| Weight (empty) | 3.0 lbs |
| Internal Volume | 270 cu in / 4.5 L |
| Max Payload | 25 lbs / 11 kg |
| Pocket Count | 13 pockets |
| Warranty | 5 Years |
Built For
HVAC Service Electrical Troubleshooting Diagnostic Work Field Service Meters & Test Instruments Wireless Probes
Pro Tip
Use the padded interior pockets for your most expensive meters and keep probes in the outer pocket layout. That keeps the heavier gear centered in the bag and makes the MB3 easier to carry without your leads and accessories getting buried underneath.
Warranty & Support
5-year warranty. See Veto Pro Pac warranty terms and conditions for full coverage details.
Tool Nut’s Take
Tool Nut’s Take
Veto Pro Pac MB3 BLACKOUT Large Sized Zippered Diagnostic Bag for Techs Who Want a Real Meter Bag
This is the kind of compact diagnostic bag that makes sense when your money is in the meters and probes, not in hauling extra bulk.
- Who it’s for: HVAC techs, electricians, and service pros carrying meters, manifolds, probes, and a few hand tools.
- Why it stands out: It combines padded instrument storage, 13 pockets, solid carry options, and the tougher build details Veto is known for.
- Worth knowing: This is a focused diagnostic bag, not a full-size tool bag, and backpack straps are not included.
Common Questions
- What does the MB3 BLACKOUT hold? It is designed to store and protect large meters, digital manifolds, wireless probes, and a few select hand tools.
- How tall of a meter will it fit? The main bay is designed for meters up to 13.5 inches tall.
- Can it be carried on the shoulder? Yes. It includes a removable sling-style shoulder strap, and it also includes a removable carrying handle.
- Can it be converted into a backpack? Yes, with removable backpack straps sold separately.
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