Zeitronix - Your Ultimate Tuning Partner
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Dual Channel AFR

Zeitronix Wideband Systems can be paired together for dual channel operation. In dual channel configurations each wideband oxygen sensor connects to either a Zt-2 or Zt-3 wideband controller. Choose between two (2) Zt-2s, two (2) Zt-3s, or one (1) Zt-2 and one (1) Zt-3. Compare the Zt-2 and Zt-3 for the dual-AFR setup which will best meet your needs.

Several common left/right bank AFR setups are described below. Setups include single or multiple displays, real time software display and datalogging to the Black Box Data Logger.

Two Zeitronix wideband controllers together are considerably smaller than most other dual-AFR wideband solutions. A pair of Zeitronix wideband controllers can be zip-tied out of the way with minimal space required for a clean, simple dual air/fuel ratio installation.

Left and right bank AFR display can be accomplished using a single ZR-2 Multi Gauge or LCD display. Other options include using multiple gauges, Zeitronix Data Logger software, DashDAQ display, ZR-1 AFR/Lambda display, Hacker/Tweaker display, and the Black Box Data Logger.

Zt-2 plus Zt-3 Hand Held Size   Zt-3 plus Zt-3 Hand Held Size

Dual Channel Configurations

Description Hardware Setup

Dual Channel Setup with Zeitronix Data Logger Display
Two or more (up to 8) Zt-2s/Zt-3s can be connected to a laptop for real-time display/data logging using the Zeitronix Data Logger software. All data from the Zeitronix units are displayed simultaneously in real time.

Dual Channel AFR Setup on Zeitronix Data Logger software
Setup Details

Dual Channel Setup with Individual Zeitronix Displays
Each Zt-2 or Zt-3 Wideband controller is connected to its own display.

The ZR-2 Multi Gauge and LCD Display each display multiple values at once. The ZR-1 AFR/Lambda display and
Hacker/Tweaker display may also be used in this configuration and display AFR or Lambda.

Multiple Widebands with Individual Displays
Setup Details

Dual Channel Setup with a Single Zeitronix display
Use a single ZR-2 Multi Gauge or LCD Display to monitor two AFR/Lambda readouts simultaneously. A Zt-2 Wideband and a 2nd Zt-2 or Zt-3 Wideband controller are linked together in this configuration.

Multiple Widebands with a Single Display
Setup Details

Dual Channel Setup with nDash Display
Two or more (up to 8) Zt-2s/Zt-3s can be connected to the nDash display. The nDash can read and display wideband and sensor readings from each Zeitronix device plus OBDII data all at once. The nDash has two additional 0-5 volt analog inputs and data logging is supported through an SD card slot on the side of the display.

Multiple Widebands with DashDAQ Display
Setup Details

Dual Channel Setup using the Black Box Data Logger
Use a single Black Box Data Logger to monitor two AFR/Lambda readouts simultaneously. A Zt-2 Wideband and a 2nd Zt-2 or Zt-3 Wideband controller are linked together in this configuration. An optional ZR-2 Multi Gauge or LCD Display may be used at the same time.

Multiple Widebands with Black Box Data Logger and Optional Display
Setup Details


Advanced Monitoring

Using two Zt-2s together in a dual-AFR setup doubles data collection capabilities. With two Zt-2s you can monitor dual-AFR, dual-EGT, 2 pressures, 2 temperatures and more. Additional sensors can be connected to the User1 input. Advanced monitoring possibilities include, for example, analyzing transmission slippage using two RPM sources (engine RPM and drive shaft RPM).