Fiber Optic Length Testers

Visual Optical Length Tester - VOLT

SKU:VOLT-1

5.0/5 (18 Reviews)
  • • Easy to Use
  • • Made in the USA
$391.50
At a Glance
  • Low Battery Indicator
  • Handheld and Lightweight
  • Intuitive Interface
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estimated lead time
Estimated Lead Time
Typically Ships Within 24 Business Hours
(Cut off time is 2 PM EST)
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expected receive dates
Receive Between
June 5-12, 2026
Made in USA
ISO 9001
TIA Compliant

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VOLT (VISUAL OPTICAL LENGTH TESTER) Almost all fiber optic experts own a VFL similar to VOLT but they don't get the extra benefit length testing features of VOLT!

VOLT functions as any good quality Visual Fault Locator (VFL). However, with the same price range as other VFL's, VOLT has the added benefit of doubling as a LOOPING length tester! Many cabling warranties and bids require meter-based length tests to prove the length of links.

VOLT uses 2 fibers and patch cables to establish a length test accurate to +/- 7 feet! VOLT's VFL functions up to 5 kilometers (3.1 miles). Loop length testing functions up to 1.5 kilometers.

As far as VFL function, VOLT holds its own against the best in the industry. As with any quality VFL, VOLT is a precision coupled laser diode! VOLT is not made as a cheap laser light pen. Rather, a multi-million dollar semiconductor machine is used in the manufacture of a special precision coupled micro-sized ball lens. This precision coupling allows VOLT to couple maximum red laser light into the tiny connector orifice of fiber optic links up to 5 kilometers (3.1 miles) of distance!

Features:

  • Measures the length of both single-mode and multimode fiber with accuracy of ± 2.5 meters
  • High-intensity visible red laser allows for visible fault location of breaks and micro bends
  • Pulsed mode provides easy fiber identification
  • Easy-to-read bright red 7-segment LED display
  • 15 hours continuous use on one 9V battery
  • Low battery indicator
  • Handheld
  • Lightweight

Specifications

Measurement Range
Up to 1.5 kilometers
Accuracy
± 2.5 meters
Resolution
0.001 kilometers (1 meter)
Dimensions
4.94 x 2.75 x 1.28 in
Weight
6 ounces

Resources

PDF Document
General: Spec Sheet
Asset

Help Article
Fiber Optic Definitions
Helpful

Videos

When You Place An Order

Step 01
Step 01
Place Your Order
Our team processes your order within 24 business hours.
Step 02
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You receive emails about your order status.
Step 04
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Get tracking on your shipment until delivery.

Product Reviews (18)

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WHEELER ELECTRIC

05/13/2025 06:50:00 PM

Quick and thorough order completion - had exactly what we needed - right price and right on time!!!

G
GARG

04/01/2025 02:01:00 PM

First class product and service

KE
Kathy E.

01/24/2025 10:03:00 PM

prompt service, quick shipping, all parts arrived in good condition

BZ
Bill Zantopulos

01/05/2025 04:37:00 AM

Very reliable supplier of products. #1 in my book!

PR
Peter Ruiz

10/10/2024 01:31:00 PM

Awesome Service

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