Test to 5000V, measure to 10,000 Megohms

Test voltages from 250-1000V,  measure to 2000 MΩ (2 GΩ)…
Test voltages from 50 to 1000V, measure to 4000GΩ (4TΩ)…
Test voltages from 500 to 5 kV, measure from10,000GΩ (10TΩ)…