Descripción
HOBO by Onset KIT-S-U20-02 – Water Level Data Logger Starter Kit (100ft)
Accurate, affordable water level monitoring
- Water Level Data Logger Starter Kit (100ft)
- No-vent-tube design for easy and reliable deployment
- Durable ceramic pressure sensor for reliable performance
- Calibration certificate included
Combining high accuracy water level measurements with out-of-the-box convenience, this money-saving kit includes everything needed to start logging right away. It is ideal for monitoring water levels and temperatures in wells, streams, lakes and freshwater wetlands, as well as barometric pressure.
This kit includes:
- U20-001-02 HOBO data logger (100ft range)
- BASE-U-4 base station with the required coupler
- BHW-PRO-CD HOBOware Pro software.
Like other HOBO Water Level Loggers, the 100-foot version offers exceptional value and ease-of-use, with no cumbersome vent tubes or desiccants to maintain.
| U20 Series – Water Level Data Loggers | |
| U20-001-04 | HOBO 13-Foot Depth Fresh Water Level Data Logger |
| U20-001-04-Ti | HOBO 13-Foot Depth Titanium Water Level Data Logger |
| U20-001-01 | HOBO 30-Foot Depth Fresh Water Level Data Logger |
| U20-001-01-Ti | HOBO 30-Foot Depth Titanium Water Level Data Logger |
| U20-001-02 | HOBO 100-Foot Depth Fresh Water Level Data Logger |
| U20-001-02-Ti | HOBO 100-Foot Depth Titanium Water Level Data Logger |
| U20-001-03 | HOBO 250-Foot Depth Fresh Water Level Data Logger |
| U20-001-03-Ti | HOBO 250-Foot Depth Titanium Water Level Data Logger |
| KIT-D-U20-04 | HOBO Water Level Data Logger Deluxe Kit (13ft) |
| KIT-D-U20-01 | HOBO Water Level Data Logger Deluxe Kit (30ft) |
| KIT-D-U20-02 | HOBO Water Level Data Logger Deluxe Kit (100ft) |
| KIT-S-U20-02 | HOBO Water Level Data Logger Starter Kit (100ft) |
| KIT-S-U20-04 | HOBO Water Level Data Logger Starter Kit (13ft) |
| KIT-S-U20-01 | HOBO Water Level Data Logger Starter Kit (30ft) |
| U20L-01 | HOBO Water Level (30ft) Data Logger |
| U20L-02 | HOBO Water Level (100ft) Data Logger |
| U20L-04 | HOBO Water Level (13 ft) Data Logger |
Manufacturer Specs
| Pressure Sensor | |
| Operation range | 0 to 400 kPa (0 to 58 psia); approximately 0 to 30.6 m (0 to 100 ft) of water depth at sea level, or 0 to 33.6 m (0 to 111 ft) of water at 3,000 m (10,000 ft) of altitude |
| Factory calibrated range | 69 to 400 kPa (10 to 58 psia), 0° to 40°C (32° to 104°F) |
| Burst pressure | 500 kPa (72.5 psia) or 40.8 m (134 ft) depth |
| Water level accuracy* | Typical error – 0.05% FS, 1.5 cm (0.05 ft) water |
| Maximum error | – 0.1% FS, 3 cm (0.1 ft) water |
| Raw pressure accuracy** | 0.3% FS, 1.20 kPa (0.17 psi) maximum error |
| Resolution | < 0.04 kPa (0.006 psi), 0.41 cm (0.013 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 |
| * With accurate reference water level measurement and Barometric Compensation Assistant data | |
| ** Absolute pressure sensor accuracy includes all pressure drift, temperature, and hysteresis-induced errors | |
| † Maximum error due to rapid thermal changes is approximately 0.5%. | |
| Temperature Sensor | |
| Accuracy Resolution Plot 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), see Plot A |
| Response time (90%) | 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 indication | Battery voltage can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile |
| The CE Marking identifies this product as complying with the relevant directives in the European Union (EU) | |
Temperature Sensor
Tech Specs
Test Equipment General Attributes |
|
|---|---|
| Unique Features | This kit includes: U20-001-02 HOBO data logger (100′ range) BASE-U-4 base station with the required coupler BHW-PRO-CD HOBOware Pro software. |
| Safety Approval | CE |
| Interfaces I/O | USB |
| Product Weight | 210 GRAMS (0.463 LBS) |
| Product Length | 15 CM (5.91 IN) |
| Data Logging | Yes |
| HTS/Schedule B Number | 9027.80.8090 |
| ECCN Number | EAR99 |
| Calibration Included | Factory Calibration |
| Battery Type | AA |
| Power Supply Voltage | Battery Powered |
| Country of Origin | United States |
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