3M™ Dynatel™ Locator 2220M Series
3M™ Dynatel™ Locator 2220M Series
The 3M™ Dynatel™ Locator 2220M Series is an advanced cable, pipe, and fault locator built for high-performance utility locating. Known for its precise directional locating and fault-finding features, the 2220M is ideal for telecommunications, power utilities, water/gas infrastructure, and more. It combines multiple locating modes with peak/null comparison and sheath fault detection, and offers directional display guidance for fast and accurate field operation.
Key Features
Directional locating with peak/null comparison
Sheath fault detection for locating insulation failures
Direct depth readout up to 30 ft (9 m)
Dual-frequency operation (8 kHz and 82 kHz)
Signal current measurement for cable identification
Graphical backlit LCD display with bar graph and numeric readouts
RS232 serial port for software updates and digital interfacing
Peak, Null, Special Peak, and Directional Peak locating modes
Benefits
Reliable pinpointing in congested environments
Safe to use near energized lines (up to 240 Vrms)
Versatile use with direct connect, coupler, or induction
Lightweight and ergonomic for all-day field use
Simplifies cable verification through live current readout
Digital depth eliminates estimation errors
Flexible power options, including rechargeable battery support
Applications
Tracing and locating buried utilities (cable and pipe)
Locating sheath faults and insulation breaches
Cable identification and current measurement
Lightweight and ergonomic for all-day field use
Mapping and documenting underground infrastructure
Telecom and CATV utility locating
Locate and Operating Modes
| Mode Type | Description |
|---|---|
|
Peak |
Measures highest signal strength |
|
Null |
Locates position based on signal loss |
|
Special Peak |
Enhanced mode for weak signal environments |
|
Directional Peak |
Guides operator using signal strength vectors |
Supported Frequencies
| Type | Frequencies Supported |
|---|---|
|
Active |
8 kHz, 82 kHz |
|
Power |
50 Hz / 60 Hz
|
|
Auxiliary |
CP (Cathodic protection), CATV |
|
Tone Output |
Available for cable tone probes
|
|
EMS (Accessory) |
Optional via 2205/2206 attachment |
ApplicationsEMS and iD Marker Capabilities (With Optional Accessory)
EMS Accessory Required: 2205/2206
Marker Types Supported: Telecom, Power, Gas, Water, Wastewater
Read Range: Up to 5 ft (1.5 m) depending on marker
Read Accuracy: Signal peak directly over marker
Data Storage
| Data Type | Capacity |
|---|---|
|
Memory Recall |
Stores last-used settings
|
|
Signal Current |
Real-time display |
|
Fault Logs |
In sheath fault mode only |
Display and User Interface
| Parameter | Details |
|---|---|
|
Screen |
Graphical LCD with backlight |
|
Indicators |
Numeric depth, signal strength bars |
|
Interface |
Keypad with function-driven commands
|
Connectivity
| Feature | Details |
|---|---|
|
RS232 Serial Port |
For PC interfacing and updates |
|
EMS Accessory |
Port for 2205/2206 unit connection |
Physical Specifications
| Component | Size / Build | Weight |
|---|---|---|
|
Receiver |
Rugged molded casing |
~4.5 lb (2.0 kg) |
|
Transmitter |
Compact rugged housing |
~6.0 lb (2.7 kg) |
|
Kit |
Includes cables/bag |
~13 lb total |
Environmental Specifications
| Parameter | Value |
|---|---|
|
Operating Temp |
-20°C to 50°C (-4°F to 122°F) |
|
Storage Temp |
-40°C to 70°C (-40°F to 158°F) |
|
Weather Rating |
IP54 (Dust/splash-resistant) |
|
Certifications |
CE and FCC compliant
|
Power and Battery
| Item | Details |
|---|---|
|
Receiver Power |
8 × AA Alkaline batteries
|
|
Receiver Life |
~30 hours
|
|
Transmitter Batteries
|
6 × C-cell Alkaline OR 3M 2200RB
|
|
Output Power Levels |
Normal: 0.5W, High: 3W, Max: 5W
|
|
Output Voltage |
Up to 70 Vrms |
|
Fault Mode |
10/20 Hz low-frequency fault locating |
Included Accessories
Ground rod and extension wire
Direct connect cables (small and large clips)
3” or 4.5” coupler (optional)
Carrying case
RS232 port cover
Alkaline battery packs
EMS Marker Locator (optional 2205/2206 unit)
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