Kyoritsu 4118A 

• Custom microprocessor controlled for highest accuracy and reliability. 
• 3 LEDs for checking correct wiring status. 
• 15mA LOOP measurement 
• Direct reading of Prospective Short Circuit Current (PSC). 
• Safe voltage measurement function. 

Kyoritsu 4140 

• Anti-Trip Technology for complete trip free Loop testing on all RCDs rated 30mA and above. 
• Dual Display allows simultaneous measurements like Loop & PFC/PSC. 
• Two wire connection for Loop L-L, L-N and PSC testing is possible. 
• Phase rotation, Voltage and Frequency measurements. 
• Lock-down test button for 'hands free' testing with auto-start operation. 
• Display and front panel keyboards with Backlight to be visible in dark places. 
• Water and Dust proof (IP54)