![Diagram of data retrieval from U23 data logger using optic base station.](/images/HOBO-Prov2-Loggers.png)
HOBO 2x External Temperature Data Logger
Un enregistreur de données résistant aux intempéries avec deux sondes externes de température du sol/de l'eau sur des câbles de 6 pieds pour une réponse rapide du capteur et un déploiement dans les espaces restreints.
Important Information
Exigences Logiciel HOBOware et soit un Station de base USB Optic ou Navette étanche HOBO (U-DTW-1). HOBOware Pro est nécessaire pour l'utilisation de la navette étanche HOBO. Voir les articles compatibles ci-dessous.
324,00 CHF
SKU
U23-003
- Acheter 10 pour 314,30 CHF et économisez 3%
- Acheter 25 pour 307,80 CHF et économisez 5%
- Acheter 50 pour 298,10 CHF et économisez 8%
- Acheter 100 pour 285,15 CHF et économisez 12%
Overview
A weatherproof data logger with two external soil/water temperature probes on 6-foot cables for fast sensor response and deployment in tight spaces.
![Diagram of data retrieval from U23 data logger using optic base station.](/images/HOBO-Prov2-Loggers.png)
![Diagram showing installation of U23 data logger and solar radiation shield.](/images/radiation-shield-mount.jpg)
Features
- Weatherproof housing for use in outdoor or condensing environments
- High accuracy
- Small-diameter external sensor versions for measurements in tight spaces
- Optic USB interface for fast and reliable download
- Compatible with HOBOware and HOBOware Pro software for logger setup, graphing, and analysis
What's in the box
- HOBO U23-003 2x External Temp Data Logger
- Clamp and mounting screws
- UV protective cap
Specifications
Temperature Sensor
- Operation Range
-
U23-001A internal sensor: -40 to 70°C (-40 to 158°F)U23-002A external temperature sensor: -40 to 70°C (-40 to 158°F)U23-003 and U23-004 external sensors: -40 to 100°C (-40 to 212°F), with tip and cable immersion in fresh water up to 50°C (122°F) for one year
- Accuracy
-
U23-001A and U23-002A: ±0.25°C from -40 to 0°C (±0.45 from -40 to 32°F), ±0.2°C from 0 to 70°C (±0.36 from 32 to 158°F)U23-003 and U23-004: ±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F); see Plot A
- Resolution
-
U23-001A and U23-002A: 0.04°C (0.072°F)U23-003 and U23-004: 0.02°C at 25°C (0.04°F at 77°F); see Plot A
- Response Time (Typical to 90%)
-
U23-001A internal sensor: 10 minutes in air moving 1 m/secU23-002A external temperature sensor: 3 minutes, 45 seconds in air moving 1 m/secU23-003 and U23-004 external sensors: 3 minutes in air moving1 m/sec; 30 seconds in stirred water
- Drift
-
U23-001A and U23-002A: <0.01°C (0.018°F) per yearU23-003 and U23-004: <0.1°C (0.18°F) per year
Relative Humidity Sensor (U23-001A, U23-002A only)
- Operation Range
-
0 to 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% RH typical to a maximum of ±3.5% including hysteresis at 25°C (77°F); below 10% and above 90% ±5% typical
- Resolution
-
0.05%
- Response Time (Typical to 90%)
-
U23-001A: 40 minutes in air moving 1 m/sec with protective capU23-002A: 15 seconds in air moving 1 m/sec
- Drift
-
<1% per year typical
Logger
- Operation Range
-
-40° to 70°C-40° to 158°F
- Real-time Clock
-
±1 minute per month 0° to 50°C32° to 122°F
- Battery
-
1/2 AA, 3.6 Volt lithium, user-replaceable (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
-
All models: ASA styrene polymer housing and mounting clamp; polypropylene protective cap; Buna-N o-ring(s); U23-001A,U23-002A only: ASA styrene polymer RH sensor cap; modified hydrophobic polyethersulfone membrane
- Cables
-
U23-001A: No cablesU23-002A: One 184 cm (6 ft) PVC cable; sensor diameter 1 cm (0.38 in.)U23-003: Two 184 cm (6 ft) PVC cables; sensor diameter 0.5 cm (0.20 in.)U23-004: One 184 cm (6 ft) PVC cable; sensor diameter 0.5 cm (0.20 in.)
- 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
- 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
-
U23-001A: 57 g (1.5 oz); U23-002A: 118 g (3.1 oz); U23-003: 138 g (3.7 oz); U23-004: 102 g (2.7 oz)
- Dimensions
-
Housing measures 10.2 × 3.8 cm4.0 Ã 1.5 in.
- NIST Certificate
-
Temperature certificate available for additional charge
![CE Compliance Mark](/images/ce-mark.png)
Documentation
HOBOware Pro Growing Degree Days Assistant - User’s Guide
EnglishReplacement Battery Kit (HP-B) for HOBO U23 Data Logger - Instructions
EnglishHOBO Pro v2 Data Logger (U23-00x) User's Manual
EnglishGerman
U23 Pro v2 Loggers Data Sheet
EnglishHOBO® Pro v2 Logger (U23-00x) Quick Start
EnglishHOBO Battery MSDS-TL 4902
EnglishAccessory
Compliance Certificates
Data Offload - Base Stations - Shuttles - Couplers
NIST Setup & Certifications
Solar Radiation Shields
UV Protection Caps
Maintenance
Batteries
Desiccants
Required Communications
Communications
Data Offload - Base Stations - Shuttles - Couplers