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EXTECH STW515 Digital Stopwatch

This digital stopwatch offers precise timing with 1/100th second resolution for up to 30 minutes and 1-second accuracy for 24 hours. It incorporates a 12/24-hour clock, programmable alarm, hourly chime, and a calendar displaying day, month, and weekday. Features include a backlit display for visibility in dim light, a water-resistant housing, and multiple stopwatch modes—Elapsed Timer, Split Time, and Two Competitor Timer. It comes with a CR2032 battery and a 39-inch snap-away neck strap, making it an ideal tool for sports, laboratory, or industrial timing applications.

Authorized Distributors
Source:Newark
Part No:STW515
Stock:26
Inv Date:06-05-2026
Price: Unit price: $39.16
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Source:DigiKey
Part No:STW515
Stock:1
Inv Date:06-05-2026
Price: Unit price: $33.99
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Part No:STW515
Stock:31
Inv Date:06-06-2026
Price: Unit price: $33.99
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Part No:STW515
Stock:0
Inv Date:06-05-2026
Price: Unit price: $33.99
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Part No:STW515
Stock:3
Inv Date:06-05-2026
Price: Unit price: $28.88
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Source:TRANSCAT
Part No:STW515
Stock:1
Inv Date:06-01-2026
Price: N/A
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Part No:STW515
Stock:0
Inv Date:06-05-2026
Price: Unit price: $46.99
Buy/RFQ:
Part No:STW515
Stock:0
Inv Date:06-05-2026
Price: Unit price: $33.99
Buy/RFQ:
Part No:STW515
Stock:0
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:

EXTECH STW515 Digital Stopwatch Specifications:

  • Timing Capacity: 23 hrs, 59 mins, and 59.99 secs
  • Resolution: 1/100th second for 30 minutes, 1 second up to 24 hours
  • Clock Mode: 12 or 24 hour format
  • Alarm: Programmable with hourly chime and 5-minute snooze
  • Display: Backlit with auto-off after 5 seconds
  • Calendar: Day, Month, Weekday display
  • Housing: Water-resistant
  • Dimensions: 2.6 x 3 x 0.8 inches (68 x 77 x 19 mm)
  • Weight: 2 oz (6 g)
  • Battery: CR2032 included
  • Strap: 39-inch (1 meter) snap-away neck strap

Buy the Extech Series STW515 Stopwatch: STW515

Order the Extech STW515 digital stopwatch online today to enjoy precise timing features, flexible modes, a backlit display, water-resistant design, and convenient included accessories. Perfect for sports, industrial, or laboratory use, this stopwatch provides accurate measurements with 1/100th second resolution for up to 30 minutes and 1-second resolution for longer durations. Equipped with a programmable alarm, hourly chime, calendar, and easy-to-use features, it ensures reliability and ease of operation while supporting your timing needs in any environment.

Buy Extech STW515 stopwatch with backlit display and multiple timing modes now and experience unmatched reliability and performance.

Frequently Asked Questions

Where can I buy EXTECH STW515?

You can click on the BUY or RFQ button to purchase STW515 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part STW515?

You can download the STW515 datasheet or visit the EXTECH website for support.

Who is the manufacturer of STW515?

EXTECH

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