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JOHNSON LEVEL 3748 I-Beam Level, 48 in, Top & Side Read, 1 mm/m - Standard I-Beam Levels
JOHNSON LEVELStandard I-Beam Levels

JOHNSON LEVEL 3748 I-Beam Level, 48 in, Top & Side Read, 1 mm/m

The JOHNSON LEVEL I-Beam Level: Level & Plumb is a standard I-beam level with a 48-inch overall length. It features an acrylic vial and an aluminum frame, with top and side read capabilities. The level has an…

SKU 3G-OTH-305109

Brand
JOHNSON LEVEL
Item
3748 I-Beam Level, 48 in, Top & Side Read, 1 mm/m
Part Number
3748
Category
Standard I-Beam Levels
Available to Order
Also known as:3748JOHNSON LEVEL
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

JOHNSON LEVEL
Manufacturer Part Number
3748
Type
I-Beam, Top & Side Read, 1, 1 mm/m
Overall Lg
48 in

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JOHNSON LEVEL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON LEVEL I-Beam Level: Level & Plumb is a standard I-beam level with a 48-inch overall length. It features an acrylic vial and an aluminum frame, with top and side read capabilities. The level has an accuracy of 1 mm/m.

Frequently Asked Questions

What is the JOHNSON LEVEL 3748 I-Beam level used for?

The JOHNSON LEVEL 3748 I-Beam level is used for checking level and plumb in construction, carpentry, and industrial framing applications. Its 48-inch length and top-and-side-read vials make it suitable for long-span alignment tasks such as installing steel beams, setting door frames, and leveling machinery bases.

What are the specifications of the JOHNSON LEVEL 3748 I-Beam level?

The JOHNSON LEVEL 3748 is a standard I-beam level with a 48-inch overall length. It has an acrylic vial and an aluminum frame, offering top and side read capabilities. Accuracy is rated at 1 mm/m. The manufacturer part number is 3748, and the brand is JOHNSON LEVEL.

Where to buy the JOHNSON LEVEL 3748 I-Beam level worldwide?

You can source the JOHNSON LEVEL 3748 I-Beam level through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this item to procurement teams and engineers internationally.

How to select the right JOHNSON LEVEL I-Beam level for a job?

Select a JOHNSON LEVEL I-Beam level based on length and accuracy needed. For long spans like 48 inches, the 3748 model provides 1 mm/m precision. Consider the vial type (acrylic) and frame material (aluminum) for durability. Top-and-side-read vials help when working in tight spaces. Always match the level length to the surface you are checking.

Used in

Common applications for JOHNSON LEVEL
Concrete formwork and foundation layout — Johnson Level 32X automatic optical level (40-6962) for elevation control and alignment.
Steel erection and plumbing — Johnson Level 9-inch magnetic torpedo level (1411-0900) with rare earth magnets and V-grooves for pipe and conduit.
Site grading and excavation — Johnson Level 16 ft fiberglass telescoping leveling rod (40-6316) with 1 ft/1 in graduations for grade checking.
Carpentry and stair layout — Johnson Level CS5 rafter square with octagon and inch graduations for marking rafters and stairs.
Electrical conduit and mechanical installation — Johnson Level magnetic torpedo level for level, plumb, 45°, and 30° measurements.
General construction layout — Johnson Level JRT300-GNHV-K rotary laser kit with green beam and 4,000 ft range for horizontal and vertical alignment.
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JOHNSON LEVEL Products

3G Electric supplies JOHNSON LEVEL standard i-beam levels. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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