U23-001-P
New
Temperature and Relative Humidity Data Logger with special PVC protector for harsh environments.
Availability date:
Number of Channels | 2: Temp + Rel. Humidity |
ADC Bits | 12 bit |
Precision | 0.2°C in range from 0° to 50°C |
Resolution | 0.02°C |
With Display | No |
IP Classification | IP67 |
Communications | Optic |
Battery Life | 3 years |
Memory Capacity | 21,000 Temperature and RH measurements |
The HOBO U23-001-P Thermo-hygrometer Temperature/Relative Humidity data logger U23-001-Protector is a data logger with an external PVC protection structure that serves as solar radiation shield, rain protector and allows it to be deployed outdoors hung to a tree or horizontal post.
It has a cap that allows access to the logger in order to read off data.
The built-in temperature and relative humidity sensors are well protected from outdoor climate.
The more protected Relative Humidity sensor provides superior durability in humid environments and is user replaceable.
Features:
Temperature Sensor:
Operation range:
Internal sensors: -40° to 70°C (-40° to 158°F)
Accuracy: 0.2°C over 0° to 50°C (0.36°F over 32° to 122°F)
Resolution: 0.02°C at 25°C (0.04°F at 77°F)
Response time: (typical to 90%)
Internal sensors: 40 minutes in air moving 1 m/sec
Stability (drift): < 0.1°C (0.18°F) per year
Relative Humidity Sensor:
Operation range: 0-100% RH, -40° to 70°C (-40° to 158°F)
Exposure to conditions below -20°C (-4°F) or above 95% RH may temporarily increase the maximum RH sensor error by an additional 1%
Accuracy: ±2.5% from 10 to 90% typical, to a maximum of ±3.5%.
Resolution: 0.03%
Response time (typical to 90%): 40 minute in air moving 1 m/sec with protective cap
Stability (drift): < 1% per year typical; hysteresis 1%
Logger:
Operation range -40° to 70°C (-40° to 158°F)
Real-time clock ± 1 minute per month 0° to 50°C (32° to 122°F)
Battery 1/2 AA, 3.6 Volt lithium, user-replaceable (part # HP-B)
Battery life (typical use): 3 years with 1 minute or greater logging interval
Memory (non-volatile): 64K bytes memory (approx. 21,000 temperature and RH measurements)
Materials:
ASA styrene polymer housing and mounting clamp; polypropylene protective cap; Buna-N o-ring(s)
U23-001, U23-002 only: ASA styrene polymer RH sensor cap; modified hydrophobic polyethersulfone membrane
Environmental rating: Electronics housing is NEMA 6P equivalent (tolerant of brief submergence)
Units with RH sensors are NEMA 4 equivalent (splash-resistant)
Launch modes: Immediate start; delayed start
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)
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.
Weight: 57 g (1.5 oz)
Dimensions: Housing measures 10.2 × 3.8 cm (4.0 × 1.5 in.)
NIST Temperature Certificate available for additional charge
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