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4-Channel Thermocouple Data Logger w/ Graphing LCD Display



TandD Multi-Channel Battery-Operated Thermocouple Recorder with Automatic Data Export to SD Card


  • Measure and Record Temperature Using Type K,J,T,S, or R Thermocouples (Sold Seperately)
  • Data Transfered to PC for Analysis Using USB (Cable Included) or SD Card
  • Touch Panel for Setup and Configuration Changes in the Field
  • LCD Display Shows Current Readings, Trend Graph, Battery Status and Configuration Settings
  • Stores up to 240,000 Temperature Readings per Channel (960,000 Total)


Thermocouple Number of Channels: 4 External Inputs for Thermocouples
Type: J, K, T, R and S 
Connection Type: Screwless Terminals
Cold Junction Compensation: Automatic
Measurement Resolution: 0.1°C
Input Impedance: 1MΩ (Approximate)
Thermocouple Types Type J: -210°C to 1200°C @ ±0.5°C + 0.3% (Accuracy)
Type K: -270°C to 1370°C @ ±0.5°C + 0.3% (Accuracy)
Type T: -270°C to 400°C @ ±0.5°C + 0.3% (Accuracy)
Type R: -50°C to 1760°C @ ±1.5°C + 0.3% (Accuracy)
Type S: -50°C to 1760°C @ ±1.5°C + 0.3% (Accuracy)
Cold Junction Compensation Accuracy: ±0.5°C (10°C to 40°C) ; ±0.8°C (Other Ranges)
Recording Method Instanteous, Average (Ave), Fine
Sampling Interval 100, 200, 500 ms
1, 2, 5, 10, 15, 20, 30 Seconds
1, 2, 5, 10, 15, 20, 30, 60 Minutes
Data Storage Capacity Up to 960,000 Readings (1 Channel); Up to 480,000 Readings (2 Channels); Up to 320,000 (3 Channels); Up to 240,000 Readings (4 Channels)
Recording Mode Endless: Overwrite Oldest Data when Capacity is Full
One-time: Stop Recording when Capacity is Full
Group Recording Up to 4 Units (16 Channels) Can Be Recorded Simultaneously
Start Modes Immediate or Programmed
LCD Display Current Readings, Battery Life and Trend Graph
Power (2) AA (Alkaline or Lithium) Battery
USB Powered
Battery Life At 100ms Sample Rate : 5 Day Typical
At 500ms Sample Rate : 7 Day Typical
At 1 Second Sample Rate : 7 to 21 Day Typical
At 5 Second Sample Rate or Longer : 21 to 60 Day Typical
NOTE: Battery Life Depends on Measurement Environment, Sampling Interval and Battery Performance
Communication Type USB
External Storage SD Memory Card (SDHC Memory Card) - Sold Separately
NOTE: Measurement Data Cannot be Directly Recorded onto the Memory Card. Used to Transfer Recorded Data from Data Logger to PC Only.
Input Terminals Screwless Terminals
Single Wire: 0.32mm to 0.65mm (28 AWG to 22 AWG)
Twisted Wire: 0.08 to 0.32mm (28 to 22 AWG). 0.12mm or More in Diameter
Strip Length: 9mm to 10mm
Isolation CH1, CH2, CH3, CH4, USB are Isolated 
Max Applied Voltage: ±50 Volts
Electrical Isolation Resistance: 50 MΩ or More
NOTE: Battery Terminals are Not Isolated from CH1 to Ch4 Input Terminals
Operating Environment Temperature: 0°C to 50°C 
Humidity: 90%RH or Less (No Condensation)
Weight 190 grams (Includes Battery)
Dimension 120mm x 75mm x 32mm