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Temperature Sensor: Semiconductor

Temperature Range: -40 °C to +80 °C (-40 °F to +176 °F)

Temperature Resolution: 0.1 °C (0.18 °F)

Temperature Calibrated Accuracy: ±0.25 °C (±0.45 °F)

Remote Channel Temperature Sensor: Thermocouple Type K

Remote Channel Temperature Range: -260 °C to +899 °C (-436 °F to +1650.2 °F)

Remote Channel Temperature Resolution: 0.1 °C (0.18 °F)

Remote Channel Temperature Calibrated Accuracy: ±0.5 °C




Memory: 500,000 readings per channel;
               software configurable memory wrap
               250,000 readings in multiple start/stop mode

Reading Rate: 1 reading every second up to

                        1 reading every 24 hours

Baud Rate: 115,200

Cold Junction Compensation: Automatic

Channels: 1 Internal & 1 Remote

LED Indicators: Red and Green

Push-Button Start: Yes

Battery Life: 10 years typical, dependent upon frequency and  duty cycle

Material: ABS plastic

Dimensions: 1.4 in x 2.2 in x 0.6 in (36 mm x 56 mm x 16 mm)

Operating Environment: -20 °C to 80 °C (-4 °F to +176 °F), 0 %RH to 100 %RH

Required Interface Package: IFC200

Weight: 0.5000 LBS




The ETR101A is an Exhaust Temperature Profiling Kit designed to profile the exhaust temperature of on-road vehicles and off-road equipment, including tractor trailers, buses, trucks over 14,000 lbs., waste water vehicles, and sweepers. The ETR101A comes assembled and includes a data logger, temperature sensor (thermocouple type K), weatherproof enclosure, interface cable, hex screwdriver and software. A ¼” NPT coupler and a compression fitting is required for assembling, but not included.

Setup is fast and easy. The ¼” NPT coupler is attached to the exhaust pipe; the use of a compression fitting allows for the thermocouple to be placed directly in the exhaust stream, providing for highly accurate profiling. The data logger, which is contained within the weatherproof enclosure, is then mounted to the vehicle.


Using the MadgeTech software, the logger is programmed to record for a set period, generally three to five days. Data is stored in the data logger, and is downloadable at any time via a pc or laptop computer. The complete temperature profile is then provided to the diesel particulate filter (DPF) manufacturer, aiding in the selection of the correct DPF for the exhaust system. Many DPF manufacturers, including Donaldson Corp., recommend the use of temperature profiling equipment, such as the MadgeTech ETR101A, to aid in the selection of the appropriate diesel particulate filter.


• Multiple graph overlay
• Statistics
• Digital calibration
• Zoom in/ zoom out
• Lethality equations (F0, PU)
• Mean Kinetic Temperature
• Full time zone support
• Data annotation
• Min./Max./Average lines
• Data table view
• Automatic report generation
• Summary view
• Multilingual



• Simple Setup and Installation
• Minimal Long-Term Maintenance
• Long-Term Field Deployment



• 10 Year Battery Life
• 1 Second Reading Rate
• Multiple Start/Stop Function
• Ultra High Speed Download
• 500,000 Reading Storage Capacity
• Memory Wrap
• Battery Life Indicator
• Optional Password Protection
• Programmable High and Low Alarms
• Field Upgradeable



• Profile exhaust temperature of
on-road vehicles and off-road