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<< Extech Thermocouple & RTD Thermometers

Extech 421509
Dual Input, 3-Display, Handheld Thermometer
  • Seven Thermocouple type selections: K, J, T, E, R, S, N
  • Large backlit LCD with two secondary displays for simultaneous T1, T2, T1-T2, Time and advanced readouts
  • T/C offset adjustment
  • REC, MAX, MIN, MAX-MIN, AVG and °C/°F switchable
  • Data Hold and Relative Function
  • Built-in bi-directional RS-232 PC interface
  • Real time clock with calendar
  • Selectable auto power off function, disable capability
  • Complete with two Type-K bead wire temperature probes(-4 to 482°F /-20 to 250°C), Windows®95/98/ME/NT/2000/XP compatible software, RS-232 cable, protective holster, and 9V battery
Click here for larger image - Extech 421509 Dual Input Datalogging Thermometer with Alarm!Click for larger image
Extech 421509 Shown
 
Product Information
Datasheet 249 KB
Manual 321 KB
PDF Help
 
Ordering Information
Model Description Buy Online Price
421509 Extech 421509 Thermometer Dual JKTE RSN w/RS-232 Software  Buy Now$189.99 
421509NIST Extech 421509-NIST Thermometer Dual JKTE RSN w/RS-232 Software and NIST Calibration Certificate  Buy Now$254.99 
Included Accessories
 
  • 1 - 9V battery
  • 2 - Bead wire temperature probes
  • 1 - Manual with Quick Basic PC communications program
  • 1 - Protective holster
 Included
Optional Accessories
153117 Extech 153117 AC Adaptor, 117 VAC  Buy Now$26.99 
409997 Extech 409997 Carrying Case, Large Vinyl Pouch  Buy Now$19.99 
801515 Extech 801515 Probe, Temperature J General Purpose  Buy Now$39.99 
871515 Extech 871515 Temperature Probe, K Type (General Purpose)  Buy Now$35.99 
872502 Extech 872502 Temperature Bead Wire Probe with subminiature Type J connector  Buy Now$13.99 


*NOTE: Items ordered with optional NIST calibration will require
approximately 10 days to complete the certification.

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$20.00 Minimum on Total Order

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