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EXTECH STW515NIST digital stopwatch

This digital stopwatch and clock combines versatile timing features, including elapsed time, split time, and a dual competitor timer, with precise 1/100th second resolution for 30 minutes and 1-second resolution up to 24 hours. It supports 12 or 24-hour clock formats, has a programmable alarm, hourly chime, and a snooze function, along with displaying date, month, and weekday. Its water-resistant housing and backlit display make it suitable for various environments, while the included battery and neck strap provide convenience and portability. Certified with ISO traceability, this device is ideal for accurate timing and scheduling.

Authorized Distributors
Part No:STW515-NIST
Stock:0
Inv Date:06-06-2026
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Part No:STW515-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $83.99
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Part No:STW515-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $101.24
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Part No:STW515-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $101.24
Buy/RFQ:
Part No:STW515-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $182.99
Buy/RFQ:
Part No:STW515-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $105
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EXTECH STW515NIST digital stopwatch Specifications:

  • Timing capacity: 23 hrs, 59 mins, and 59.99 secs
  • 1/100th second resolution for 30 minutes
  • 1 second resolution up to 24 hours
  • Clock Mode: 12 or 24 hour format
  • Programmable alarm with hourly chime
  • Snooze duration: 5 minutes
  • Display: Day, month, weekday
  • Backlight duration: 5 seconds
  • Housing: Water resistant
  • Dimensions: 2.6 x 3 x 0.8 inches
  • Weight: 2 oz
  • Includes: CR2032 battery, 39-inch neck strap
  • Certification: ISO traceable calibration certificate

Buy the Extech STW515 – Reliable Stopwatch and Clock for Industrial Applications

Purchase the Extech Series STW515 digital stopwatch and clock online today to ensure you have reliable timing at your fingertips. Its multiple modes, backlit display, programmable alarm, and water-resistant housing make it perfect for industrial, laboratory, or professional environments. The device offers precise 1/100th second timing for up to 30 minutes and 1-second accuracy up to 24 hours. With ISO traceability certification included, this stopwatch provides excellent precision and dependability for all your timing needs, delivered straight to your door.

Order your Extech Series STW515 stopwatch today and give your projects the dependable timing accuracy they deserve for industrial and professional use.

Frequently Asked Questions

Where can I buy EXTECH STW515NIST?

You can click on the BUY or RFQ button to purchase STW515NIST from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part STW515NIST?

You can download the STW515NIST datasheet or visit the EXTECH website for support.

Who is the manufacturer of STW515NIST?

EXTECH

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