The 3M™ Dynatel™ Locator 2220M Series is designed to find the path and estimated depth of buried pipes and cables.
• Two active frequencies (8 kHz, 82 kHz)
• Passive frequencies for power, cathodic protection systems
• Detects frequencies from sondes and remote transmitters (512 Hz, 640 Hz, 33 kHz)
• Direct readout of active duct probe
• Cable/pair identification
• Receivers incorporate an “expander” function to make peaks and nulls more pronounced
• Receiver and transmitter self-test each time the unit is turned on