T&R TPT9000 Transformer Polarity Tester
Includes: TPT9000 Proving unit, black fused lead, red fused lead, blue fused lead, 1m brown fused lead, operating & maintenance manual, carry set case, 9V battery.
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The Z-OVR is a line/cable impedance measurement system for high voltage ac systems.
The impedance of the line is measured by injecting a current and measuring the magnitude and phase angle of the voltage developed across the line. The resistance and reactance of the line are calculated from these results and displayed. The system uses a 4-wire measurement with a Kelvin connection to the line under test to eliminate measurement errors due to voltage drops in the leads.
The system consists of a separate control unit containing all metering and control functions and an output unit that provides the high current output and isolation of measured voltages. All connections to the line are made via the output unit.
The unit has data logging facilities using a standard USB memory key. Date, time, current, voltage, phase angle, and frequency are stored to a CSV file on the memory key along with a comment entered using the supplied USB keyboard.
The Z-OVR system must only be used on ‘dead’ systems (i.e. no externally supplied voltages are present on the test object) with safety earths applied.
Measure impedance of overhead lines and underground cables.
Direct readout of cable Z & X.
Phase angle display.
Voltage up to 300V.
Current up to 80A.
Data storage to CSV file on USB memory key.
Digital true RMS memory ammeter & voltmeter.
Solid state switching.
Rugged, compact design.
|Environment||The TPT9000 is designed for use in industrial and electrical substation environments.|
|Temperature||0°C to 45°C operating
-20°C to 60°C storage.
|Relative humidity||90% non-condensing.|
|Protection||IP20 in use.|
|Power||PP3 9V battery.|
|Dimensions||118 x 79 x 32 mm
With Proving Unit: 143 x 79 x 32 mm.