HOBO U23 Pro v2 Temperature/Relative Humidity Data Logger – U23-004

Spesifikasi

Features Weatherproof housing for use in outdoor or condensing environments High accuracy Relative humidity sensor provides fast response and superior recovery from condensing conditions Small-diameter external sensor versions for measurements in tight spaces Optic USB interface for fast and reliable download Temperature Sensor Operation Range U23-003 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 U23-004: ±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F); see Plot A Resolution U23-004 : 0.02°C at 25°C (0.04°F at 77°F); see Plot A Response Time (Typical to 90%) U23-004 external sensors: 3 minutes in air moving 1 m/sec; 30 seconds in stirred water Drift U23-004 : <0.1°C (0.18°F) per year 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 (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 U23-004: 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 U23-004: 102 g (2.7 oz) Dimensions Housing measures 10.2 × 3.8 cm 4.0 × 1.5 in. NIST Certificate Temperature certificate available for additional charge