✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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)
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
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
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Reviews
- E
Eleanor Hansen
Nov 26, 2025
HOBO Level Meter U20L-04Item arrived right on time and was exactly as I hoped it would be.HelpfulUnhelpful - C
Carlos Torres
Nov 01, 2025
HOBO Level Meter U20L-04The delivery was prompt and the food was fresh!HelpfulUnhelpful - W
Wayne Nelson
Aug 01, 2025
HOBO Level Meter U20L-04The support team was incredibly helpful and responsive.HelpfulUnhelpful - C
Chad Volz
May 14, 2025
HOBO Level Meter U20L-04Had the item I needed, website was clear and easy to use, and product was delivered on time. Thanks!HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
HOBO Level Meter U20L-04All was ok! No problems whatsoever.HelpfulUnhelpful
HOBO Level Meter U20L-04
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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