The Fluke T90 is a two-pole voltage and continuity tester. 

Technical Specifications:

• With 3 ways of detecting ac/dc voltage: clear LED, bright display with measurement value, continuity audible signal
• Screen illumination with scales and indicators
• Mute capability
• Low battery level indicator
• Detects voltage even with empty batteries
• Improved terminal storage for increased safety
• Phase rotation indication for three-phase systems
• RCD function
• The two buttons allow you to draw more current from the circuit you are testing
• Single-phase voltage offers quick identification of live conductors
• Terminal protection and storage accessories
• WearGuard™ insulation shows faults in test leads