Zeitronix Zt-4 Dual Wideband O2 Sensor Air / Fuel Ratio ZR-4 Gauge AFR Made in USA

$386.99
In stock
SKU
ZTXZT4ZR4SY

Zeitronix Zt-4 Dual Wideband O2 Sensor Air / Fuel Ratio ZR-4 Gauge AFR

Zeitronix Zt-4 plus ZR-4 Dual AFR Gauge

Includes:

  • Zt-4 Wideband Air/Fuel Ratio Meter
  • 10 ft high temperature, high quality, O2 Sensor Harness, quantity 2
  • 4.9 wideband O2 Sensor, quantity 2
  • Signal Harness
  • Instructions
  • Data logging software available for download from the Zeitronix website
  • ZR-4 Dual AFR display included in this kit

For use with stand alone engine management system, a piggy back fuel control or a carbureted engine. Now you can tune for more power, closer to the edge, precisely monitoring both banks of a V engine Air/Fuel ratio. Optional datalogging up to 9 hours of data with a blazing rate of 65 samples per second per graph. The Zeitronix Data Logger Software can be utilized as a real time display when using a standard Zt-4 kit with or without the ZR-4. Installation - connect two wires to +12V and ground and place two O2 sensors in the exhaust stream and you are ready to read AFR!  A simple LED indicator displays off, warm-up and running modes.

IMPORTANT: Warranty does not cover oxygen sensor, as these are wear items.  Each oxygen sensor is tested to be fully functional by Zeitronix before shipping.

Zt-4 Wideband Controller Specs:

  • 0.1 AFR accuracy
  • Operating voltage 10V to 18V
  • Switching power supply for oxygen sensor heaters
  • Precise sensor temperature control
  • Reverse polarity protection
  • Integrated self resettable fuse
  • Positive lock connectors
  • Protected inputs and outputs
  • Flexible Plug and Play Sensor Harness with a small, easy to route through the fire wall, connector
  • Optional logging serial cable available, not included, available separately
  • Two Adjustable Narrowband Switching Points
  • Two configurable Wideband Analog Outputs

ZR-4 Gauge Specs:

  • Plugs and powers up directly from Zt-4 Gauge / Data port
  • For best accuracy the ZR-4 Gauge reads digital data from the Zt-4 controller
  • Base diameter: 2"-1/16 (52mm)
  • Bezel diameter: 2"-1/2 (62mm)
  • Thickness: 0.75" (19mm)
  • Digit height: 0.2" (5mm)

Inputs/Outputs:

  • 2  Bosch Wideband O2 sensor Inputs
  • Simulated and adjustable switching point Narrowband Outputs to feed a stock ECU
  • 2 Linear Wideband Outputs: configurable with a default setup of AFR = Volts * 2 + 9.6
  • Serial data output to the Zeitronix ZR-4 AFR
  • Serial data output for real time datalogging (PC laptop and optional logging cable required, cable not included)

Input / Output Range

  • Lambda: 1.43 to 0.64 Wideband
  • AFR: 21.0 to 9.6 Wideband
  • Analog Wideband Outputs: 0 - 5 volts (configurable) can also be set up for 0 - 1 volts
  • Narrowband Outputs: 0 - 1 volts (configurable rich/lean switching point)
Zeitronix Datalogging Software: The Zt-4 communicates with the PC Laptop via the serial port using optional serial cable (cable not included). The Zeitronix Data Logger (ZDL) software records up to 9 hours of data per single file. Many different screen display options are available including plots, text and dashboard views and uses a black plot background for easy night tuning. Logging start, stop and pause are accessible from keyboard shortcuts. The ZDL software supports Excel CSV and text data export. Win98/NT/2000/ME/XP/Vista/Windows 7/8/10 compatible.  You do not need P4, P3 or even P2 laptop.  If your laptop is capable of running Win95 and up it is good enough for the Zeitronix logging software.
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