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Extech 421502 Type J/K, Dual Input Thermometer with Alarm
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Extech 421502 Type J/K, Dual Input Thermometer with Alarm




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 Extech 421502

Features:
  • Widest range with highest 0.05% accuracy
  • Rugged design for field use
  • Large dual LCD displays T1, T2 or T1-T2, plus Elapsed Time
  • Min/Max/Avg readings
  • Data Hold and Relative functions
  • Programmable Hi/Lo audible alarms



  Description

Dual J or K input with dual display, relative and programmable High/Low audible alarms. Careful use of this device will provide years of reliable service.


  Models, Options, & Accessories


Model Description List Price Sale Price
421502 THERMOMETER, DUAL J/K W/PROBES, HOLSTER
$129.99 



  Specifications

General Specifications
Display 5 digit LCD multifunction display
Battery Power Supply NEDA 1604, IEC 6F22, or 006P 9VDC battery.
Auto Power off Meter shuts down after approx. 30 mins. of inactivity
Battery life 100 hours typical with carbon zinc battery
Dimensions / Weight 7.5 x 3.6 x 2.1” (192x91x52.5mm); 11.7oz. (365g)
J TC Range -328 to 1922°F (-200 to 1050°C)
K TC Range -328 to 2498°F (-200 to 1370°C)
Resolution 0.1°C or 0.2°F
Temperature units Selectable C or F temperature units
Accuracy ±(0.05% rdg + 0.3°C) -50°C to 1370°C, ±(0.05% rdg + 0.7°C) -50°C to -200°C, ±(0.05% rdg + 0.6°F) -58°F to 2498°F, ±(0.05% rdg + 1.4°F) -58°F to -328°F
Temperature Coefficient 0.1 times the applicable accuracy specifications per °C from 0°C to 18°C and 28°C to 50°C (32°F to 64°F and 82°F to 122°F)
Water resistant housing Gasket protected front panel
Input Protection 24VDC or 24VAC rms max. input on any combination of inputs. Max voltage : between T1 and T2 inputs = 1V
Reading rate One reading per second
Input connectors Accepts standard miniature thermocouple connectors
Supplied thermocouple 4', type K, teflon insulation
Max insulation temp 260 °C (500 °F)
Accuracy +2.2 o C or +0.75% of rdg (whichever is greater) from 0 °C to 800 °C
Ambient Operating Range 32 to 122 °F (0 to 50 °C); less than 80% RH
Storage Temperature -4 to 140 °F (-20 to 60 °C); less than 70% RH
Alarm 95dB



   
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