Introduction

The ZR-2 Multi Gauge:

• One gauge for Wideband AFR, Lambda, Boost, Vacuum and EGT
• 16 gauge combinations
• 4 digits
• Stylish, machined, brushed finish aluminum bezel and slim enclosure gives the gauge an elegant appearance
• User programmable outer LED and inner numeric display values via a front push button
• English and Metric Units
• High contrast LED display
• Large 0.3″ (7.5mm) digits
• Slim, flat back, design for flexible gauge mounting options
• Peak and Hold feature

The Multi Gauge works with all versions of the Zeitronix Zt-2 Wideband AFR meter and Datalogging System. The ZR-2 plugs into the Zt-2 DATA port. For clean and easy plug and play installation, power and serial data is supplied from the Zt-2 DATA port. There are no additional +12V or ground wires. The ZR-2 cable length is 5 ft (1.5m)

Mounting Options:
The ZR-2 gauge is only 3/4″ (19mm) thick. The back of the gauge is completely flat with cable hidden in a cavity and can be surface mounted almost anywhere inside the car cabin using a piece of Velcro or double sided tape. The ZR-2 base allows the gauge to be mounted in a standard 2 1/16 (52mm) gauge pod. For additional mounting options the package includes 2 set screws and 2 nuts.

ZR-2 gauge dimensions:

• Base diameter 2″ 1/16 (52mm)
• Bezel diameter 2″ 1/2 (62mm)
• Thickness 0.75″ (19mm)
• Digit height 0.3″ (7.5mm)

Zt-2 Specs:

• 0.1 AFR accuracy
• Operating voltage 10V to 18V
• Switching power supply for oxygen sensor heater
• Precise sensor temperature control
• Reverse polarity protection
• Integrated fuse
• Flexible Plug and Play Sensor Harness with a small connector which is easy to route through the firewall
• Wideband Oxygen Sensor included
• Easy to install plug and play kit
• Adjustable Narrowband Switching Point
• Warning Alarms and Triggers

Inputs/Outputs:

• Bosch Wideband O2 sensor
• Linear Wideband Output AFR=Vx2+9.6
• Nonlinear Wideband Output
• Serial data output to the Zeitronix Wideband LCD Display
• Serial data output for real time datalogging (PC laptop required)
• RPM Input ( tachometer or primary side ignition coil input)
  *The RPM input works in any car and any ignition system. No additional adapters needed!
• Simulated Narrowband Output to feed a stock ECU
• Throttle Position Input
• Boost Sensor Input
• EGT Probe Input
• User Input/Warning Output

Be sure to add a MAP sensor if you would like to display boost or an EGT Probe+ Extension Harness if you would like to display EGT and you do not have an existing EGT sensor.

Important Note: This item is not vehicle specific. It is compatible with a wide range of applications and is therefore displayed on our site regardless of your vehicle selection. Please review the specifications and verify compatibility prior to placing your order.