HOBO 64K Pendant Temperature/Alarm Logger UA-001-64

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Overview

A miniature, waterproof one-channel temperature data logger, this model is value-priced for short-term shipping applications or long-term deployment. Data logger alarm LEDs flash if temperatures have exceeded user-set levels and delay options, and provide visible verification that temperatures have been within the desired range throughout deployment. This 64K model stores approximately 52K of 10-bit temperature readings. For accurate temperature measurement in sunlight a solar radiation shield is required (RS1 Solar Radiation Shield, assembly required; M-RSA pre-assembled Solar Radiation Shield).

Manufactured by: Onset
Model: HOBO 64K Pendant Temperature/Alarm Logger UA-001-64

Services offered for this product

  • Sales
  • Rental
  • Installation
  • Calibration
  • Maintenance

Applications

Soil temperature
Temperature
Water temperature

Specification

Measurement range -20° to 70°C (-4° to 158°F)
Alarms High and low alarms can be configured for total amount of contiguous or non-contiguous time outside of user-defined limits between -20° and 70°C (-4° to 158°F)
Accuracy ± 0.53°C from 0° to 50°C (± 0.95°F from 32° to 122°F), see Plot A in manual
Resolution Temperature: 0.14°C at 25°C (0.25°F at 77°F), see Plot A in manual
Drift Less than 0.1°C/year (0.2°F/year)
Environmental Rating Top end: NEMA 6, IP67; Sensor end: IP68
Response Time
Airflow of 2 m/s (4.4 mph) 10 minutes, typical to 90%
Water 5 minutes, typical to 90%
Time accuracy ± 1 minute per month at 25°C (77°F), see Plot B in manual
Operating Range
In water/ice -20° to 50°C (-4° to 122°F)
In air -20° to 70°C (-4° to 158°F)
 
Water depth rating 30 m from -20° to 20°C (100 ft from -4° to 68°F), see Plot C in manual
NIST traceable certification Available for temperature only at additional charge; temperature range -20° to 70°C (-4° to 158°F)
Battery life  1 year typical use
Memory
UA-001-08 8K bytes (approximately 6.5K sample and event readings)
UA-001-64 64K bytes (approximately 52K sample and event readings)
 
Materials Polypropylene case; stainless steel screws; Buna-N o-ring
Weight 15.0 g (0.53 oz)
Dimensions 5.8 x 3.3 x 2.3 (centimeters) and 2.3 x 1.3 x 0.9 (inches)
Environmental Rating IP68

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