• 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).