Megger TDR2050 User Manual

3. CONNECTION
For best performance ensure that the
test leads are not unduly separated
Only use Megger approved fused
test leads
Ensure that the test leads are in good
condition and working order
TDR2050 Quick Start Guide
2. SELECT TEST MODE
a. Press to select
Hold
TDR2050
OK
Hold
TDR2050
OK
1. POWER UP
Press and hold to turn TDR on
Hold
TDR2050
OK
c. Press OK key to select
b. Use cursor keys to select test mode
required - choose T1

Megger TDR2050 Specifications

General

Type	Time Domain Reflectometer (TDR)
Battery Life	Up to 12 hours
IP Rating	IP54
Pulse Width	10 ns to 1 μs
Operating Temperature	-10°C to +50°C
Storage Temperature	-20°C to +60°C
Interface	USB
Display	Color LCD
Velocity Factor	0.3 to 0.99

Summary

Power Up and Mode Selection

Power On Procedure

Press and hold the power button to turn the TDR unit on.

Choosing the Test Mode

Select the desired test mode using the device's cursor keys.

Connection Guidelines

Test Lead Best Practices

Ensure test leads are not separated and are in good working condition.

Parameter Configuration

Accessing Parameter Settings

Press the spanner/setting symbol to access the parameter menu.

Setting Velocity Factor

Configure the velocity factor based on cable manufacturer data or examples.

Setting Cable Impedance

Adjust cable impedance using the arrows; set to maximum if unknown.

Adjusting Signal Gain

Set gain level to best display the trace using the up/down arrows.

Setting Pulse Width

Adjust pulse width for optimal fault visibility based on fault distance.

Defining Cable Distance

Set the distance parameter to be greater than the known cable length.

Cursor Operations

Selecting and Swapping Cursors

Press C1-C2 buttons to select and swap between cursors for measurement.

Positioning Cursors

Use left/right arrows to move the selected cursor along the trace.

Placing Cursors on Trace

Move C1 to the end of test leads and C2 to the first significant reflection.

Performing Delta Measurements

TDR displays total distance to C2 and the difference between C1 and C2.

Typical Velocity Factors