• Charger with stainless steel conductive plate
• Designed for use with 19492 static field meter (sold separately)
• Used to measure offset voltage and discharge times for the periodic verification of ionizers per ANSI/ESD SP3.3 and ESD TR53
• ±1000 volt charger - applies charge to conductive plate to measure discharge times of air ionizers
• Made in the USA

The Desco 19440 is an upgrade kit for the 19492 static field meter. The 19440 includes a charging unit and stainless steel conductive plate to measure offset voltage and discharge times for the periodic verification of ionizers per ANSI/ESD SP3.3 and ESD TR53.

Please note, the 19440 is only an upgrade kit. It does not include the static field meter.