Fisher Labs TW82 for Tracing Buried Utility Lines
Product Description
Engineered for utility professionals, the Fisher TW82 is a high-performance digital line tracer designed to locate and trace buried utility lines with conductive properties, including metallic pipes, cables, or plastic lines with tracer wire. Its standout feature is the ability to switch between Normal and Lateral tracing modes, giving users exceptional flexibility when tracking difficult-to-detect lateral lines.
With its single-frequency 82.175 kHz operation, the TW82 provides accurate detection whether using direct conductive tracing, inductive placement, or a coupling clamp. Real-time signal strength, left/right guidance, azimuth indication, and automatic depth measurements offer comprehensive data directly on-screen. The Lateral Mode isolates weaker perpendicular signals, especially useful when tracing service lines branching from a main utility.
Built for tough field conditions, the TW82 boasts a rugged IP65-rated enclosure and operates in temperatures from -4°F to 140°F. The ergonomic two-button receiver and intuitive display make it user-friendly, while long-lasting D-cell battery operation (up to 130 hours) ensures uninterrupted field use. Compact, portable, and dependable, it's a workhorse built for daily utility locating tasks.
Specifications
• Manufacturer: First Texas Products, LLC
• Brand Name: Fisher Research Labs
• Country of Origin: USA
• Warranty: 2 Years
Transmitter:
• Output Frequency: 82.175 kHz
• Output Power:
• Normal Setting: 0.25 watt
• High Setting: 1.0 watt
• Conductive Tracing:
• Normal Power: 2 to 8,000 ohms (-6 dB)
• High Power: 2 to 3,000 ohms (-6 dB)
• Inductive Tracing:
• Normal Power Magnetic Strength: 15 Vm²
• High Power Magnetic Strength: 25 Vm²
• Battery Type: Four D-cell batteries (included)
• Battery Life: Typically 130 hours with high-quality alkalines
• Weight (with batteries): 4 lbs
Receiver:
• Frequency: 82.175 kHz
• Operating Modes:
• Standard Mode: Automatic response
• Lateral Mode: Programmable
• Guidance Indicators:
• Left/Right Guidance: Audible and visual
• Azimuth Indicator: Visual
• Over-Target Indicator: Visual and audible
• Signal Measurements:
• Signal Strength Indicator: Numeric display & audible
• Signal Current Measurement: Numeric display, automatic
• Depth Measurement: Numeric display, automatic
• Battery Type: Two D-cell batteries (included)
• Battery Life: 80 to 130 hours, depending on the volume setting
• Weight (with batteries): 3.60 lbs
Environmental Ratings:
• Ingress Protection Rating: IP65 (water-resistant, withstands water jets)
• Operating Temperature Range: -4°F to 140°F (-20°C to 60°C)
• Relative Humidity: 0 to 95%, non-condensing