Digital Flexprobe ® Models 400D & 4000D 51.1 International Electrical SymbolsSignifies that the instrument is protected by double or reinforced insulation.CAUTION - Risk of Danger! Indicates a WARNING and that the operator mustrefer to the user manual for instructions before operating the instrument in allcases where this symbol is marked.Must not be applied to or removed from bare conductors at dangerous voltages.Type B current sensor as per IEC 61010‑2‑032.Important instructions to read and understand completely.Important information to acknowledge.Battery.Compliance with the Low Voltage & Electromagnetic Compatibility Europeandirectives (73/23/CEE & 89/336/CEE).In the European Union, this product is subject to a separate collection systemfor recycling electrical and electronic components In accordance with directiveWEEE 2002/96/EC1.2 Definition of Measurement CategoriesCAT II: For measurements performed on circuits directly connected tothe electrical distribution system. Examples are measurementson household appliances or portable tools.CAT III: For measurements performed in the building installation at thedistribution level such as on hardwired equipment in fixed instal-lation and circuit breakers.CAT IV: For measurements performed at the primary electrical supply(<1000V) such as on primary overcurrent protection devices,ripple control units, or meters.1.3 Receiving Your ShipmentUpon receiving your shipment, make sure that the contents are consis-tent with the packing list. Notify your distributor of any missing items. Ifthe equipment appears to be damaged, file a claim immediately with thecarrier and notify your distributor at once, giving a detailed description ofany damage. Save the damaged packing container to substantiate yourclaim.