Feature	Zt-2	Zt-3	Zt-4	Description
Lambda				1.43 to 0.64 Wideband
AFR				21.0 to 9.5 Wideband
Narrowband Output				0 - 1 volt with configurable rich/lean switching point
Analog Wideband Output				0 - 5 volt Linear wideband output (AFR/Lambda range is configurable on the Zt-3 and Zt-4)
RPM				0 - 18,000 Engine RPM
Boost/Vacuum				50 PSI (3.5 Bar) MAP, 75 PSI (5 Bar) MAP, 150 PSI (10 Bar) Gauge Pressure Sensor support
EGT				392 F - 2200 F or 200 C - 1200 C
TPS				0 -100% Throttle Position Sensor Readings
User1				0 - 5 volt input
User2				Configurable: 50/75/150 PSI Sensors, Air/Fluid Temperature Sensors, plus additional sensor display support through ZDL software.
Warnings/Triggers for Fail-safe Operation				0-5V, 4mA output, for use with the ZAVT-1 adding failsafe features. Use with optional relay for triggering additional hardware.

 For more information on specific features please see the Zt-2 Wideband and Zt-3 Wideband product pages.