Haltech Wideband Gauge - Wideband O2 Dual Channel Gauge

Overview

Real-time air-fuel ratio monitoring for serious tuning applications. This dual-channel Haltech wideband gauge displays AFR data from two separate O2 sensors simultaneously, giving you instant feedback on mixture quality across individual cylinder banks or comparing pre/post-turbo readings during dyno sessions and road tuning.

Technical Specifications

• Part Number: HT-012007
• Display Type: Dual channel white LED
• Bezel Finish: Black anodised
• Interface: CAN bus communication
• Mounting: Standard 52mm gauge pod fitment
• Operating Range: 7.35:1 to 22.39:1 AFR (0.50 to 1.53 lambda)

Why You Need This

Tuning without proper AFR feedback is like driving blindfolded. This dual-channel gauge transforms your dashboard into a proper tuning station, displaying live mixture data that's critical for safe, effective engine mapping. On V8 LS swaps, you're monitoring both banks to catch uneven fuelling that can destroy pistons. Turbo builds benefit from pre and post-intercooler monitoring to optimise boost and fuel delivery. The dual display means you're not constantly switching between sensors during critical tuning phases.

Professional tuning shops rely on continuous AFR monitoring because engine damage happens in seconds, not minutes. Lean conditions under boost will melt pistons before your wideband controller's slow warning systems react. This gauge puts that critical data directly in your eyeline, whether you're on the dyno perfecting part-throttle cruise maps or pushing maximum power on the track. The white LED display remains clearly visible in bright sunlight and doesn't wash out like cheaper LCD alternatives.

ECU & System Compatibility

Designed specifically for Haltech single-channel CAN wideband controllers including WB1 and WB2 units. Integrates seamlessly with Elite 550, Elite 750, Elite 1000, Elite 1500, Elite 2000, Elite 2500, and Nexus R3/R5 ECUs via CAN bus communication. Contact our technical team to confirm compatibility with your specific Haltech system configuration.

What's in the Box

• Haltech dual-channel wideband gauge with black bezel
• CAN communication harness
• Mounting hardware and connectors
• Installation documentation

Complete Your Build

Most customers installing this gauge also add the Bosch LSU 4.2 wideband sensors (HT-010714) for proven accuracy and the 400mm adapter harness (HT-010723) for clean installation routing. Don't forget the M18x1.5 weld-on bungs (HT-010702) for proper exhaust mounting. Billy's stocks the complete wideband monitoring solution with fast UK despatch, and our experienced team provides pre-sales guidance on sensor placement and CAN bus configuration for your specific build.