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| Operation range* |
-40° to 70°C (-40° to 158°F) in air; maximum sustained temperature of 50°C (122°F) in water |
| Accuracy |
±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F) |
| Resolution |
0.02°C at 25°C (0.04°F at 77°F) |
| Response time |
(90%) 5 minutes in water; 12 minutes in air moving 2 m/sec (typical) |
| Stability (drift) |
0.1°C (0.18°F) per year |
| Real-time clock |
± 1 minute per month 0° to 50°C (32° to 122°F) |
| Battery |
2/3 AA, 3.6 Volt Lithium, factory-replaceable ONLY |
| Battery life (typical use) |
6 years with 1 minute or greater logging interval |
| Memory (non-volatile) |
64K bytes memory (approx. 42,000 12-bit temperature measurements) |
| Weight |
42 g (1.5 oz) |
| Dimensions |
3.0 cm (1.19 in.) maximum diameter, 11.4 cm (4.5 in.) length; mounting hole 6.3 mm (0.25 inches) diameter |
| Wetted materials |
Polypropylene case, EPDM® o-rings, stainless steel retaining ring |
| Buoyancy (fresh water) |
+13 g (0.5 oz.) in fresh water at 25°C (77°F); +17 g (0.6 oz.) with optional boot |
| Waterproof |
To 120 m (400 ft.) |
| Shock/drop |
1.5 m (5 ft.) drop at 0°C to 70°C (32°F to 150°F) |
| Logging interval |
Fixed-rate or multiple logging intervals, with up to 8 user-defined logging intervals and durations; logging intervals from 1 second to 18 hours. Refer to HOBOware software manual. |
| Launch modes |
Immediate start and delayed start |
| Offload modes |
Offload while logging; stop and offload |
| Battery indication |
Battery voltage can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile. |
| NIST certificate available |
For additional charge |
| Environmental rating |
IP68 |
| The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). |
| *IMPORTANThe plastic case will become brittle at temperatures lower than -20°C. If the logger is deployed in a location where the temperature drops below -20°C, make sure the logger remains stationary and is not pulled on or struck. Return the logger to above -20°C before handling. |
