Depth Water Level Data Logger 250 Foot - U20-001-03-Ti
Depth Water Level Data Logger 250 Foot - U20-001-03-Ti direkomendasikan untuk penyebaran air asin untuk pencatatan tingkat air dan suhu di lahan basah dan daerah pasang surut. Data logger ini memiliki akurasi tinggi dengan harga terjangkau dan kemudahan penggunaan HOBO, tanpa tabung ventilasi atau desiccant yang tidak praktis untuk dipelihara.
Feature
Highlighted Features
- Lightning protection - no long signal wires, and electronics are shielded in a titanium housing for saltwater use (see the Water Level logger sensor location drawing)
- HOBOware Pro software provides easy conversion to accurate water level reading, fully compensated for barometric pressure (see demo) temperature, and water density.
- Multiple-rate sampling (see demo) allows faster sampling at critical times such as when pumping starts or stops.
- Available in 4 depth ranges
- Ideal for use in wells, streams, lakes, wetlands and tidal areas
- No-vent-tube design for easy reliable deployment
- Available in stainless and titanium versions
- Durable ceramic pressure sensor
- 3-point NIST-traceable calibration certificate included
Spesification
Pressure and Water Level Measurements U20-001-03 and U20-001-03-Ti | |
Operation Range | 0 to 850 kPa (0 to 123.3 psia); approximately 0 to 76.5 m (0 to 251 ft) of water depth at sea level, or 0 to 79.5 m (0 to 262 ft) of water at 3,000 m (10,000 ft) of altitude |
Factory Calibrated Range | 69 to 850 kPa (10 to 123.3 psia), 0° to 40°C (32° to 104°F) |
Burst Pressure | 1200 kPa (174 psia) or 112 m (368 ft) depth |
Water Level Accuracy* | Typical error: ±0.05% FS, 3.8 cm (0.125 ft) water Maximum error: ±0.1% FS, 7.6 cm (0.25 ft) water |
Raw Pressure Accuracy** | ±0.3% FS, 2.55 kPa (0.37 psi) maximum error |
Resolution | |
Pressure Response Time (90%)*** | |
Temperature Measurements (All Models) | |
Operation Range | -20° to 50°C (-4° to 122°F) |
Accuracy | ±0.44°C from 0° to 50°C (±0.79°F from 32° to 122°F), see Plot A in manual |
Resolution | 0.10°C at 25°C (0.18°F at 77°F), see Plot A in manual |
Response Time (90%) | 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) |
Weight | Stainless steel models: approximately 210 g (7.4 oz) Titanium models: approximately 140 g (4.8 oz) |
Dimensions | 2.46 cm (0.97 inches) diameter, 15 cm (5.9 inches) length; mounting hole 6.3 mm (0.25 inches) diameter |
Wetted Materials | Titanium, Viton® o-rings, acetyl cap, ceramic sensor |
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 the 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 all relevant directives in the European Union (EU). |