HOBO 2x External Temperature Data Logger

Temperature Sensor	Range : -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 : ±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F) Resolution : 0.02°C at 25°C (0.04°F at 77°F)
Response Time (typical to 90%) - temperature	3 minutes in air moving 1 m/sec; 30 seconds in stirred water Stability (drift) : < 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 (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)
Cables	Two 184 cm (6 ft.) PVC cables; 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 (refer to HOBOware software manual)
Weight	138 g (3.7 oz)
Dimensions	Housing measures 10.2 × 3.8 cm (4.0 × 1.5 in.)
NIST Certification	Temperature certificate available for additional charge

Related products