T&R 100ADM-F Current Filter Unit
Includes: The 100ADM Filter Unit is supplied in an insulated case complete with protective cover and carrying strap.
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The T&R 100ADM-F 100A waveform filter unit reduces the level of current harmonics when testing electro-mechanical protection relays. It is designed for use with the T&R range of secondary injection test sets.
All electromechanical protection relays have iron cores that saturate and distort the test current under high overload test conditions. This distortion causes significant errors in the measured trip time of these relays during testing. Distortion of the waveform can be a particular problem with disc induction type over-current and sensitive earth fault relays.
The 100ADM-F has nine current ranges covering 0.25A to 100A and is supplied in an insulated case complete with protective cover and carrying strap.
Forces test current to a sinusoid.
Greatly improves timing accuracy when testing.
Wide range of test currents.
High overload capability.
50/60Hz operating frequency.
Current monitoring output.
|No Filter||5 A||34.5%||1.54s||18.5%|
|With Filter||5 A||6.12%||1.30s||0%|
|Current Ranges and Ratings|
|Range||Continuous Rating||5 Min On/15 Min Off|
|0.25 A||0.125 A||0.25 A|
|0.5 A||0.25 A||0.5 A|
|1 A||0.5 A||1 A|
|2.5 A||1.25 A||2.5 A|
|5 A||2.5 A||5 A|
|10 A||5 A||10 A|
|25 A||12.5 A||25 A|
|50 A||25 A||50 A|
|100 A||5 A||100 A|
|Range||50/60 Hz selectable.|
|Low Range||Selected by switch (0.25 to 50 A).|
|Highest Current Range||Selected by terminal (100 A).|
|Monitoring Output||0 - 100 mA corresponding to rated current.|
|Filter Unit Impedance|
|50Hz||150 Hz||250 Hz||350 Hz|
|0.25 A||880 Ω||17.5 kΩ||30.4 kΩ||41.5 kΩ|
|0.5 A||220 Ω||4.38 kΩ||7.65 kΩ||10.3 kΩ|
|1 A||47.7 Ω||950 Ω||1.65 kΩ||2.25 kΩ|
|2.5 A||7.8 Ω||150 Ω||250 Ω||360 Ω|
|5 A||1.94 Ω||38 Ω||65 Ω||90 Ω|
|10 A||510 mΩ||9.5 Ω||16.5 Ω||22.5 Ω|
|25 A||85 mΩ||1.5 Ω||2.5 Ω||3.6 Ω|
|50 A||22 mΩ||380 mΩ||650 mΩ||900 mΩ|
|100 A||5.5 mΩ||95 mΩ||165 mΩ||225 mΩ|
|Storage Temperature||-20 to 60°C.|
|Operating Temperature||0 to 45°C.|
|Dimensions||340 x 230 x 330 mm.|
|T&R 100ADM-F warranty||One-year.|
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