Davis CarChip Pro

The CarChip Pro Logger is capable of recording and logging driving, trip and engine performance data. By attaching the CarChip to your vehicle's On-board diagnostics (OBDII) port you get a detailed look at how the vehicle is driven, trip details, emnissions status and engine diagnostic codes.

NOTE: Check out the CarChip Exclusions List to see if your vehicle is compatible.
Hybrid and Electric Vehicles are NOT compatible!

Included with each CarChip Pro

>> Windows Software
>> USB Cable

NOTE: Large Quantity Discounts Are Available!

CarChip Pro Logger Features

  • Record up to 300 Hours of Trip Details
  • Trip Details includes: Date/Time, Distance Traveled and Speed
  • Provides Individual Graphs and Summary Reports
  • Records Extreme Acceleration and Braking
  • Calculate Gas Mileage
  • Includes Software and USB Cable

CarChip Pro Logger Specifications

Operating Temperature Range -40°F to 185°F (-40°C to 85°C)
Primary Power
(Connected to Vehicle)
9 to 16 VDC, 80 mA with Vehicle Running, 17mA with Vehicle's Power Off
Primary Power
(Connected to Computer)
USB Powered
Backup Power Internal Battery, Minimum of 5 Years Total, with Data Logger not Powered by Vehicle or Computer; 10-15 Year Life in Normal Use
Memory 512KB
Data Storage Capacity 300 Hours Maximum (Dependant on Interval and Environment)
Vehicle Interface 16-pin OBDII Connector
Alarm Adjustable, Audible Alarm for Exceeding Speed, Acceleration, and Deceleration Limits
Supported OBDII Protocols J1859-41.6, J1850-10.4, ISO9141, KWP2000 (ISO 14230), CAN (Control Area Network ISO 11898)
Vehicle Speed Sampling Interval 1, 5, 10, 30 or 60 Seconds
Dimensions 4.3" x 3.9 " x 0.78 " (109mm x 99mm x 20mm)
Weight 6oz. (169g)

CarChip Pro Logger Recorded Vehicle Parameters

NOTE: Range and Resolution of Sensor Measurements Only. Accuracy is dependent on the accuracy of the vehicle's sensors.

Vehicle Speed Range: 0 to 158 mph (0 to 255 km/h)
Resolution: 0.6 mph (1 km/h)
Trip Distance Traveled Range: 0 to 10,000 Miles (0 to 16,000 km)
Resolution: 0.1 Mile (0.1 km)
Acceleration / Deceleration Threshold Range: 0 to 3 G (0 to 30 m/sec2)
Resolution: 0.03 G (0.3 m/sec2)
Engine Speed Range: 0 to 16,384 rpm 
Resolution: 1 rpm
Throttle Position Range: 0 to 100%
Resolution: 0.1%
Coolant Temperature Range: -40F to 420F (40C to 215C) 
Resolution: 2.0F (1.0C)
Engine Load Range: 0 to 100%
Resolution: 0.1%
Air Flow Rate Range: 0 to 8714 lb/min (0 to 655.35 gm/sec)
Resolution: 0.1 lb/min (0.01 gm/sec)
Intake Air Temperature Range: -40F to 420F (-40C to 215C)
Resolution: 2.0F (1.0C)
Intake Manifold Pressure Range: 0 to 75 in. hg. (0 to 255 kPaA) 
Resolution: 0.3 in. hg. (1 kPaA)
Fuel Pressure Range: 0 to 110 psiG (0 to 765 kPaG) 
Resolution: 0.5 psiG (3 kPaG)
O2 Sensor Voltage
(up to 8 Monitored)
Range: 0 to 1.275 Volts 
Resolution: 0.005 Volts
Ignition Timing Advance Range: -64° to 63.5°
Resolution: 0.5°
Short Term Fuel Trim
(Up to 2 Monitored)
Range: -100% to 99.22% 
Resolution: 0.8%
Long Term Fuel Trim
(Up to 2 Monitored)
Range: -100% to 99.22% 
Resolution: 0.8%
Battery Voltage Range: 6 to 16 Volts DC 
Resolution: 0.01 Volts DC

Description Part Number
Davis CarChip Pro (Includes Software) 8226