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EXTECH 421509 Dual-Input Temperature Data Logger

The Extech 421509 dual-input datalogging thermometer offers precise temperature measurement with seven thermocouple types, programmable alarms, and extensive data storage. It features a large backlit LCD with multiple displays for simultaneous temperature readings, T1, T2, and their difference, along with a real-time clock and calendar. The device supports thermocouple offset adjustment, data hold, and registration for MAX, MIN, AVG, and relative values. Supplied with Type-K probes, Windows software, RS-232 cable, holster, and a 9V battery, it is ideal for accurate, real-time temperature monitoring in professional environments.

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Part No:421509
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Inv Date:06-06-2026
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Part No:4215-09
Stock:2
Inv Date:06-05-2026
Price: Unit price: $14.06
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Part No:421509
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Inv Date:06-05-2026
Price: Unit price: $209.99
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Part No:421509
Stock:0
Inv Date:06-05-2026
Price: Unit price: $209.99
Buy/RFQ:
Part No:421509
Stock:0
Inv Date:06-05-2026
Price: Unit price: $209.99
Buy/RFQ:
Part No:421509
Stock:0
Inv Date:06-05-2026
Price: Unit price: $280
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EXTECH 421509 Dual-Input Temperature Data Logger Specifications:

  • Temperature Range: K type: -58 to 25010F (-50 to 137200C), J type: -346 to 21920F (-210 to 120006C), T type: -346 to 18320F (-210 to 100006C), E type: 346 to 18320F (-210 to 100006C), R type: 328 to 7520F (-200 to 40000C), S type: 328 to 7520F (-200 to 40000C), N type: -58 to 23720F (-50 to 130000C)
  • Resolution: 0.10°F (0.2°C) for most ranges, 0.20°F (0.106°C) for N type, 0.10°F (0.20°C) for lower ranges
  • Accuracy: ±0.05% reading + 0.6°F (around 4°F minimum) for K, J, T types; plus similar precision for R, S, N types within specified ranges
  • Input Probes: Includes two Type-K bead wire probes, max insulation temp: 500°F (260°C)
  • Power: 400 hours typical battery life, powered by 9V battery
  • Display: Large backlit LCD with secondary displays for T1, T2, T1-T2, time, and advanced readouts
  • Additional Features: Programmable Hi/Lo alarms, thermocouple offset adjustment, data hold, register functions (MAX, MIN, AVG, Relative), auto power-off (disableable), Windows software compatible, RS-232 interface
  • Dimensions: 7.5 x 3.6 x 2.1 inches (192 x 52.5 x 52.5 mm), weight: approximately 11.7 oz (365 g)

Buy the Extech Series Dual Input Temperature Monitoring Device: 421509

Order the Extech 421509 dual-input temperature data logger online today and ensure precise temperature measurements with programmable alarms, extensive data storage, and user-friendly features. Its robust design includes thermocouple offset, MAX/MIN/AVG functions, and real-time clock, making it ideal for industrial, laboratory, and HVAC environments. The package includes two Type-K probes, Windows software, RS-232 cable, holster, and a 9V battery, offering comprehensive tools for efficient and accurate temperature monitoring. Secure your operations and improve data accuracy by purchasing now.

Buy Extech 421509 dual-input datalogging thermometer now and experience unmatched accuracy and reliable temperature monitoring for professional applications.

Frequently Asked Questions

Where can I buy EXTECH 421509?

You can click on the BUY or RFQ button to purchase 421509 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part 421509?

You can download the 421509 datasheet or visit the EXTECH website for support.

Who is the manufacturer of 421509?

EXTECH

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