Fisher - Model TW82P -Digital Line Tracer
The Fisher TW82P is engineered for professionals in damage prevention and utility location. Ideal for tracing buried pipes, cables, and power lines, it supports active and passive detection modes for versatile use across varied job sites. Its standout feature is Passive Power Mode, allowing detection of 50/60Hz signals without a transmitter—crucial for live power line identification. Using a robust 82.175 kHz signal, the TW82P supports conductive, inductive, and clamp coupling methods, offering superior control and accuracy in field conditions. Standard Mode provides automatic signal tracking with visual and audible guidance, while Lateral Mode helps isolate low-signal laterals near high-load mains. Passive Power Mode enables tracing of energized lines without direct connection. Real-time current, depth, and azimuth readings streamline the process of locating and confirming utility paths.
Built to withstand demanding environments, the TW82P features an IP65-rated enclosure and operates in temperatures from -4°F to 140°F. The receiver and transmitter are powered by standard D-cell batteries, offering 80–130 hours of operation. With ergonomic controls, automatic depth reading, and a silent-over-target audio feature, the TW82P simplifies utility locating without sacrificing accuracy or reliability.
Purpose: Locating and tracing buried utility lines (e.g., water, gas, electric, telecom)
- Manufacturer: First Texas Products, LLC
- Brand Name: Fisher Research Labs
- Country of Origin: USA
- Warranty: 2 Years
- Frequency: 82.175 kHz
- Operating Modes: Standard Mode (automatic response), Lateral Mode (programmable), Passive Power Mode (50Hz and 60Hz detection, with cathodic protection detection)
- Left/Right Guidance: Audible and visual indicators
- Azimuth Indicator: Visual
- Over-Target Indicator: Visual and audible
- Signal Strength Indicator: Numeric display and audible tones
- Signal Current Measurement: Numeric display, automatic
- Depth Measurement: Numeric display, automatic
- Battery Type (Receiver): 2 x D-cell batteries (included)
- Battery Life (Receiver): 80 to 130 hours, depending on volume setting
- Weight (Receiver with batteries): 3.60 lbs
- Ingress Protection Rating: IP65 (protected against water jets)
- Operating Temperature Range: -4ºF to 140ºF (-20ºC to +60ºC)
- Relative Humidity: 0 to 95% non-condensing
- Output Frequency (Transmitter): 82.175 kHz
- Output Power (Nominal):
- Normal Setting: 0.25 watt
- High Setting: 1.0 watt
- Conductive Tracing Impedance Matching Range:
- Normal Power: 2 to 8,000 ohms (-6dB)
- High Power: 2 to 3,000 ohms (-6dB)
- Inductive Tracing Magnetic Strength:
- Normal Power: 15 Vm²
- High Power: 25 Vm²
- Battery Type (Transmitter): 4 x D-cell batteries (included)
- Battery Life (Transmitter): Typically 130 hours with high-quality alkaline batteries
- Weight (Transmitter with batteries): 4 lbs
- Environmental Ratings:
- Ingress Protection: IP65 (withstands water jets)
- Operating Temperature: -4°F to 140°F (-20°C to 60°C)
- Relative Humidity: 0 to 95%, non-condensing
- Field Carry Weight (with accessories): 15.5 lbs
- Shipping Weight: 17.5 lbs