Technical Information
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Pressure Sensor
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| Operation Range |
0 to 145 kPa (0 to 21 psia); approximately 0 to 4 m (0 to 13 ft) of water depth at sea level, or 0 to 7 m (0 to 23 ft) of water at 3,000 m (10,000 ft) of altitude |
| Factory Calibrated Range |
69 to 145 kPa (10 to 21 psia), 0° to 40°C (32° to 104°F) |
| Burst Pressure |
310 kPa (45 psia) or 18 m (60 ft) depth |
| Water Level Accuracy* |
Typical error - 0.075% FS, 0.3 cm (0.01 ft) water |
| Maximum Error |
- 0.15% FS, 0.6 cm (0.02 ft) water |
| Raw Pressure Accuracy** |
0.3% FS, 0.43 kPa (0.063 psi) maximum error |
| Resolution |
< 0.014 kPa (0.002 psi), 0.14 cm (0.005 ft) water |
| Pressure Response Time 90% |
< 1 second |
| Thermal Response Time (90%) |
† Approximately 10 minutes in water to achieve full temperature compensation of the pressure sensor |
Temperature Sensor
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| Operation Range |
-20° to 50°C (-4° to 122°F) |
| Accuracy |
0.37°C at 20°C (0.67°F at 68°F), see Plot A of User Manual |
| Resolution |
0.1°C at 20°C (0.18°F at 68°F) (10-bit), see Plot A of User Manual |
| Response Time (9%) |
3.5 minutes in water (typical) |
| Stability (drift) |
0.1°C (0.18°F) per year |
Logger
|
| 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 |
| Battery Life (typical use) |
5 years with 1 minute or greater logging interval |
| Memory (non-volatile) |
64K bytes memory (approx. 21,700 pressure and temperature samples) |
| Dimensions |
2.46 cm (0.97 inches) diameter, 15 cm (5.9 inches) length; mounting hole 6.3 mm (0.25 inches) diameter |
| Weight |
Approximately 210 g (7.4 oz) |
| Wetted Materials |
316 stainless steel, Viton® o-rings, acetyl cap, ceramic sensor |
| Shock/Drop |
Logger is sensitive to shocks. Handle with care and avoid any impact. Always use proper packaging when shipping the logger. |
| 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 Indicationj |
Battery voltage can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile. |
| Environmental Rating |
IP68 |
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The CE Marking identifies this product as complying with the relevant directives in the European Union (EU). |
