HOBO by Onset KIT-S-U20-01 – Water Level Data Logger Starter Kit (30ft)
$562.00
In Stock
Freshwater reservoir auditing reaches absolute stability when using the HOBO KIT-S-U20-01 water level starter bundle. This kit features a stainless steel absolute pressure logging capsule optimized for 30 ft tracking ranges under a single-channel configuration. Complete with an optic USB data terminal, this 0.46 lbs tool secures a ±0.015 ft precision accuracy rating inside an IP68 submersible housing shell.
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HOBO by Onset KIT-S-U20-01 - Water Level Data Logger Starter Kit (30ft) Specs
| Brand | Onset |
| Operation range | 0 to 207 kPa (0 to 30 psia); approximately 0 to 9 m (0 to 30 ft) of water depth at sea level, or 0 to 12 m (0 to 40 ft) of water at 3,000 m (10,000 ft) of altitude |
| Factory calibrated range | 69 to 207 kPa (10 to 30 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 - 0.05% FS, 0.5 cm (0.015 ft) water |
| Maximum error | - 0.1% FS, 1.0 cm (0.03 ft) water |
| Raw pressure accuracy** | 0.3% FS, 0.62 kPa (0.09 psi) maximum error |
| Resolution | < 0.02 kPa (0.003 psi), 0.21 cm (0.007 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 |
| 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 |
| Resolution | 0.1°C at 20°C (0.18°F at 68°F) (10-bit) |
| Response time (90%) | 3.5 minutes in water (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 |
| 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 indication | Battery voltage can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile |
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