Lambda Sensor Tester/Simulator

• Tests Zirconia and Titania lambda sensors and ECU. • Suitable for 1, 2, 3 and 4 wire sensors, heated and unheated. • LED display shows crossover signal from sensor. • Simulates rich or lean mixture signals to check ECU response. • Insulation-piercing clip for quick and easy connection plus display to confirm wire identity. • Features a low battery indicator and powered by 9V battery (supplied).