Twisted pair cable tester Fluke LIQ-100 with RJ-45/USB support, max length 305 m, 6400 mAh Li-Ion battery

Fluke LIQ-100 is a twisted pair cable tester for verification of Ethernet and USB cabling over runs up to 305 m. The unit accepts RJ-45 and USB connectors, provides a wire map and distance-to-fault information, and includes a built-in 6400 mAh Li‑Ion rechargeable battery in a compact housing (106 × 215.9 mm). It is intended for installation, troubleshooting and verification of network cabling and continuity checks on twisted pair and compatible USB runs.

Advantages

The Fluke LIQ-100 combines cable continuity testing with distance measurement and wire-mapping capabilities for RJ-45 and USB links. Its integrated 6400 mAh Li‑Ion battery enables extended field use without frequent recharging. Compact dimensions and a built-in display make on-site inspection and result reading straightforward. The tester supports tasks commonly required during installation and fault isolation for Ethernet cabling up to 305 m.

Suitable for

• Installation verification of RJ-45 Ethernet cabling
• Continuity and wiring checks on USB cabling
• On-site troubleshooting and distance-to-fault location on twisted pair runs
• Routine maintenance and cable verification in network closets and work areas

Key specifications

• Cable type: twisted pair (Ethernet) and compatible USB cable testing
• Supported connectors: RJ-45, USB
• Maximum testable cable length: up to 305 m
• Battery: built-in rechargeable Lithium‑Ion, 6400 mAh capacity
• Dimensions: 106 × 215.9 mm
• Display: integrated on-device display for test results

How to use

Connect the appropriate end of the cable under test to the RJ-45 or USB port on the tester. Power on the unit and select the desired test function for continuity, wire map or distance-to-fault measurement. Start the test and read results on the built-in display. For runs within the specified maximum length, follow the on-screen or manual guidance to interpret wire mapping and distance indications. Recharge the internal Li‑Ion battery using the supplied charger before prolonged field work.

Recommendations

Use the Fluke LIQ-100 for verification of installed cabling and for locating breaks or miswires on runs up to 305 m. Keep the device charged to its full capacity before extended jobs, protect connectors from contamination during testing, and refer to the product manual for safety and calibration intervals.