Technical Bulletin - March 2000

Technical Bulletin - March 2000 Affects Battery Chargers used on Ultrawave 170 Detectors
Due to the obsolescence of a key electronic part we were forced to change a component inside the SDT 170 battery charger in March 2000.
Serial Number Break
Old 110V Chargers	021002501	New 110V Chargers
Old 230V Chargers	021000601	New 230V Chargers
Can charge all batteries with a serial number earlier than 16000550. Cannot charge batteries with a serial number equal to or later than 16000550.	170 Battery Block S/N < 16000550 >	Can charge all batteries