Description
Technical specs of ProTrek PRG-250B
1. Case: Resin / Aluminum
2. Accuracy per month: ±15 sec
3. Battery Type: Recharge
4. Battery Life: SOLAR
5. EL: Blue
6.1/100-second stopwatch
7. Measuring capacity: 23:59’59.99″
8. Measuring modes: Elapsed time, split time, 1st-2nd place times
9.12/24-hour format
10. Accuracy: ±15 seconds per month
11. Altimeter
12. Measuring range: -700 to 10,000m (-2,300 to 32,800 ft. )
13. Measuring unit: 5m (20 ft. )
14. Auto memory measurements
(Up to 40 sets of data, each including altitude, month, date, time)
15. High Altitude Memory
16. Altitude Tenfency Graph
17. Altitude Differential Graphic
18. Altitude alarm
19. Changeover between meters(m) and feet(ft. )
Approx. battery operating time
7 months on Rechargeable Battery (Operating period with normal use without exposure to light after charge)
20.22 months on Rechargeable Battery (Operating period when stored in total darkness with the Power Save
21. function ON after full charge)
22. Auto-calendar (to year 2099)
23. Barometer
24. Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg)
25. Display unit: 1 hPa (0.05 inHg)
26. Atmospheric pressure tendency graph
27. Atmospheric pressure differential graphic
*Changeover between hPa and inHg
28. Battery power indicator
29. Button operation tone on/off
30. Countdown timer
31. Measuring unit: 1 second
32. Countdown range: 24 hours
33. Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
34. Daily alarms
35.5 independent daily alarms
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