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ตั้งเวลานับถอยหลัง ตั้งแต่ 100 นาที ความละเอียด 1 วินาที
- Although small and easily portable, this timer features a large display with ¾” high digits.
- Also unique is an auto-power-off feature to extend battery life (operates only when the timer is idle for 10 minutes and will not interrupt a timing sequence).
- Counts down from 100 minutes with 1-second resolution.
- Short warning alarms sound at 3 and 5 minutes prior to the final 30-second alarm.
- Automatically records elapsed time following the alarm for up for to 20 minutes, or until stopped.
- A memory recalls the last timer setting for repetitive tests.
- Has a built in stand, pocket clip and magnetic back.
- One AAA battery included.
- Weight: 2.4 oz (70 g). Dim: 2 ½” x 2 ½” x ½” (65 x 65 x 15 mm).
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SPER SCIENTIFIC Catalog |