Wideband O2
2J1 Wideband Unit

Tech Edge's low cost, but good quality, single-channel, entry level wideband controller. 2J is lower cost because it has slightly simpler circuitry, has a fixed cable to the sensor, and works only with the Bosch 4.2 LSU sensor (either 7057 or newer 7200). It retains many of the features of other Tech Edge units including inbuilt analogue channel capture and RPM capture. Our 2C0 is a more accurate (12 bit hardware DAC output) but more expensive small controller.
Reads from λ = 0.61 (AFR = 9.0) to
free-air. Within +/- 0.1 from AFR 11 to 17.
| Differential WBlin wideband 0-5 Volt output.
| Uses new Bosch LSU 4.2 7200 sensor (or 6066 too*).
| WBlin configurable (9.5 bit DAC) from AFR=9.0 to
free-air.
| Auto-cal button calibration with sensor in free-air.
| NBsim narrowband (9.5 bit configurable) output.
| 2 analogue 0 to 5 Volt inputs sampled at up to 40/sec.
| RPM input from Tacho or ECU for logging.
| PULSE input from VSS sensor or cruise control for logging.
| 10.5 to 19.5 Volt DC operation (up to 3 Amps).
| Free logging software (optional upgrade available).
| Fibreglass covered cable - ABS plastic case - repairable!
| has RS232 output for no loss of wideband accuracy. | |

LA1 Wideband Display

| Tech Edge's wideband controller
|
$215.00 |
| Bosch 4.2 LSU sensor | $85.00 |
| LA1 Wideband Display | $147.00 |
|
P.T.R. Injection |
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