CarChip Pro Automotive Data Logger

CarChip Pro Automotive Data Logger



Davis CarChip Pro Vehicle Logger with Engine Performance Monitoring



  • Get a Detailed look at Trip Details, Emissions Status and Engine Diagnostic Codes
  • Records up to 300 Hours of Vehicle Trip and Performance Data
  • Provides Individual Graphs and Summary Reports
  • Records Extreme Acceleration and Braking
  • Calculates Gas Mileage




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)
Time & Date Accuracy ±2 Seconds per Day
Vehicle Interface Mounting 16-pin OBDII Connector
Alarm Adjustable, Audible Alarm for Exceeding Speed, Acceleration, and Deceleration Limits (When Enabled in Software)
Status LED LED Flashes to Indicate CarChip Status (When Enabled in Software)
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 1.80" x 1.00" x 1.32" (46mm x 26mm x 34mm)
Weight 0.7 oz (20.5g)

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