Section 1.2

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Models

terraStreamer® early Streamer emission (eSe) terminalsPart number

Former P/n

Description Weight

tSP20-SS tSP-20 terraStreamer® 20, Stainless Steel early Streamer emission terminal 4.88 lbs (2.2 kg)

tSP30-SS tSP-30 terraStreamer® 30, Stainless Steel early Streamer emission terminal 4.88 lbs (2.2 kg)

tSP40-SS tSP-40 terraStreamer® 40, Stainless Steel early Streamer emission terminal 4.88 lbs (2.2 kg)

tSP50-SS tSP-50 terraStreamer® 50, Stainless Steel early Streamer emission terminal 4.88 lbs (2.2 kg)

tSP60-SS tSP-60 terraStreamer® 60, Stainless Steel early Streamer emission terminal 4.88 lbs (2.2 kg)

triggering time test Resultsthe triggering time ∆T (µs) is defined as the gain at the sparkover instant obtained with a TerraStreamer® eSe terminal compared with a simple rod terminal exposed to the same conditions. According to nF c 17-102:

the triggering time instance gain ∆t is associated with a triggering time distance gain ∆l.

∆l = v × ∆t where:

∆l (m): gain in lead distance of the sparkover distance.v (m/µs): the average speed of the downward tracer (1.23 m/µs).

∆t (µs) : gain in sparkover time of the upward leader.

triggering time test results

model advance time gain in Lead DistancetSP20-SS 22 µs 27.1 mtSP30-SS 32 µs 39.4 mtSP40-SS 44 µs 54.1 mtSP50-SS 55 µs 67.7 mtSP60-SS 61 µs 75.0 m

noteAll figures derived from independent testing as per NF C 17-102 specifications under strict laboratory conditions.