Overview:
Fisher Labs, a pioneer in innovative locating solutions since 1931, proudly presents the M-97 Valve and Box Locator. This advanced device is engineered to accurately locate buried or paved-over valves, boxes, manhole covers, and other hidden metallic objects, including those made from aluminum, brass, and lead. The M-97 combines user-friendly operation with advanced features, ensuring dependable performance across a range of field conditions.
Key Features:
- Easy Operation: The M-97 is designed for simplicity, featuring just two knobs and a pushbutton, allowing for fast and efficient detection.
- Adjustable Shaft: Equipped with an adjustable shaft and double-locking stem for enhanced user comfort and stability during use.
- VLF Technology for Ground Effect Rejection: Minimizes false signals from wet ground, pavement, or mineralized surfaces, delivering accurate results.
- High Sensitivity: Provides powerful penetration through soil, asphalt, or concrete for locating deeply buried objects.
- Battery Test & Pushbutton Tuning: Includes a built-in battery test feature and pushbutton tuning to maintain optimal sensitivity settings.
- Ultra-Slow Auto-Tune: Stabilizes ground tuning and minimizes frequency drift, improving detection precision.
- Audio & Visual Alerts: Uses both speaker sound and needle movement on the meter for easy identification of metallic objects.
- Compact & Portable: The M-97’s compact design allows for easy storage, with a lower stem that compacts and a search coil that twists and folds flat, fitting perfectly into an optional carrying case.
Specifications:
- Output Frequency: 4.5 kHz
- Sensitivity: 0.20 mV RMS for full scale; adjustable sensitivity range of 12:1
- Output Indicators:
- Meter: 1 milliamp, 0-100 linear scale
- Speaker: 16-ohm impedance
- Headset (optional): 8-ohm impedance
- Audio Frequency: 450 Hz
- Power Supply: Two 9V batteries
- Battery Life: 25-35 hours (using alkaline batteries)
- Power Consumption:
- (-9V) 13.8 mA
- Minimum sound: 8 mA
- Maximum sound: 50 mA
- Audio threshold: 17.5 to 18.5 mA
- Search Coil Configuration: Double-D
- Weight:
- With 8-inch search coil: 3.3 lbs (1.5 kg)
- With 11-inch search coil: 3.9 lbs (1.8 kg)
- Dimensions: Adjustable from 38 to 50 inches (96 to 127 cm)
- Shipping Dimensions: 6” x 13” x 35” (15.12 x 32.76 x 82.2 cm)
Optional Accessories:
- Hard carrying case
- Vinyl carrying bag
- Headphones
- Coil covers
- 11” search coil
Warranty:
The M-97 comes with a two-year limited warranty, providing assurance of reliability. Full warranty terms are outlined in the warranty registration card included with the device.
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