Descripción
HOBO by Onset U22-001 Water Temperature Pro v2 Data Logger
- Research-grade measurements at an affordable price
- Waterproof to 120 meters (400 feet)
- Data readout in less than 30 seconds via fast Optic USB interface
The HOBO Water Temp Pro v2 is durable with 12-bit resolution. Complete with a precision sensor for ±0.2°C accuracy, this logger measures temperatures between -40°C and 70°C (-40°F to 158°F) in air and up to 50°C (122°F) in water. Its waterproof, streamlined case allows for extended deployment in fresh or salt water. Moreover, the Water Temp Pro v2’s optical USB interface makes it possible to offload data even while the logger is wet or underwater. A solar radiation shield is required to obtain accurate air temperature measurements in sunlight (RS1 Solar Radiation Shield, assembly required; or M-RSA pre-assembled Solar Radiation Shield).
Manufacturer Specs
| Operation range† | -40° to 70°C (-40° to 158°F) in air; maximumsustained 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 |
| 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 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 |
| The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). | |
†IMPORTANT: The 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.
Tech Specs
Dataloggers / Data Acquisition/Dataloggers for Environmental Variables/Temperature Dataloggers Templ |
|
|---|---|
| Max Temperature | 70 C |
| Min Temperature | -20 C (-4 F) |
| Power Source | Battery |
| Battery Life | 6 YEARS (52560 HR) |
| Accuracy | ±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F) |
Test Equipment General Attributes |
|
| Unique Features | Research-grade measurements at an affordable price Waterproof to 120 meters (400 feet) Data readout in less than 30 seconds via fast Optic USB interface Compatible with HOBOware and HOBOware Pro software for logger setup, graphing and analysis |
| Safety Approval | CE |
| Interfaces I/O | USB |
| Product Weight | 42 GRAMS (0.093 LBS) |
| Product Height | 2.10 IN |
| Product Length | 4.95 IN |
| Product Width | 2.25 IN |
| Data Logging | Yes |
| HTS/Schedule B Number | 9025801000 |
| ECCN Number | EAR99 |
| Battery Type | AA |
| Power Supply Voltage | Battery Powered |
| Country of Origin | United States |
| Shipping Height | 2.10 IN |
| Shipping Length | 4.95 IN |
| Shipping Width | 2.25 IN |
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