Zeitronix Zt-4 Dual Wideband AFR (Air Fuel Ratio) Meter

Zeitronix Zt-4 Dual Wideband Air/Fuel ratio meter is a simple to use high quality, stand-alone system for carbureted and electronic fuel injection engines. Simplifies AFR tuning adjustments for carburetors.

The new Zt-4 has the same high quality, high precision air fuel ratio readings as our signature Zt-2 wideband. The Zt-4 supports wideband air fuel ratio and lambda readings, adjustable simulated narrowband outputs and configurable linear wideband outputs for ease of use with engine management systems and 3rd party gauges.

The new Zt-4's dimensions are only 3.3 by 2 by 1 inches.

Includes:

Zt-4 Wideband Air/Fuel Ratio Meter
10 ft high temperature, high quality, O2 Sensor Harness (2)
4.9 O2 Sensor (2)
Signal Harness
Instructions

Data logging software available for download.
Made in the USA.

Optional Add On:

Dual AFR ZR-4 Gauge
Plugs and powers up directly from Zt-4 Gauge / Data port
For best accuracy the ZR-4 Gauge reads digital AFR data from the Zt-4.

Base diameter     2" 1/16 (52mm)
Bezel diameter    2" 1/2   (62mm)
Thickness           0.75"      (19mm)
Digit height         0.2"       (5mm)

• Left and Right exhaust bank shown on a single gauge side by side.
• Stylish, machined, brushed aluminum or black anodized bezel and slim enclosure
• High contrast LED display
• Large 0.2" (5mm) digits - available in Red or Yellow
• Slim design for flexible gauge mounting options
• Left and Right Bank AFR read out from the Zt-4 Dual AFR Wideband controller or Zt-2+Zt-3 combo
  
  The ZR-4 Gauge works with Zeitronix Zt-4 Wideband AFR meter It also can be used with Zt-2 and Zt-3 combo for dual channel AFR read out.
  The ZR-4 Gauge plugs into the Zt-4 or Zt-2 DATA port and can be used while data logging.
   
  Clean and easy plug and play installation: power and display information is provided using one wire connecting to the Zt-4 GAUGE / DATA port. The ZR-4 cable length is 5 ft (1.5m) and can be extended if needed.