Megger digiPHONE+2 User Manual page 10

Depending on the connected measuring accessories, the indicator unit starts in different
Features
modes, which are characterized by the following features:
Ferrolux mode -
Different locating methods (minimum, maximum, super-maximum)
•
• Display of the path of the line
• Acoustic signal with TrueAudio
Coded transmit signal (SignalSelect) for clear line identification
•
Automatic depth and current measurement
•
• Measurement value and GPS data storage
Locating of faults and joints using minimum turbidity
•
Digiphone mode -
• Trend indicator
Cable compass indicates the orientation of the line
•
Outstanding acoustic qualities for quick and reliable fault location
•
• High level of accuracy due to selective recording of magnetic fields
Very stable sensor
•
Trigger thresholds for acoustic and magnetic channels set fully automatically
•
• Possibility to switch to manual trigger threshold adjustment
• Patented extraneous noise reduction
Automatic proximity mute
•
• Volume limiter which can be switched on and off
Height-adjustable telescopic handle for sensor
•
Patented fault direction indicator (fault arrow)
•
ESG mode -
Automatic sensitivity adjustment to the voltage
•
Patented, automatic zero point reference with elimination of DC voltage
•
interference
• Automatic synchronization to generator speed
Wide measurement range due to high level of sensitivity
•
• Suppression of interference (50/60 Hz, 16⅔ Hz, 100/120 Hz)
10
Technical description