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Temperature Sensor:
Operation Range: -20° to 70°C (-4° to 158°F) in air; maximum sustained temperature of 30°C (86°F) in water
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: 5 minutes in water; 12 minutes in air moving 2 m/sec; 20 minutes in air moving 1 m/sec (typical to 90%)
Logger:
Real-time Clock: ±1 minute per month 0° to 50°C (32° to 122°F)
Battery: 3 Volt lithium, non-replaceable
Memory (Non-volatile): 64K bytes memory (approx. 42,000 12-bit temperature measurements)
Weight: 19.6 g (0.69 oz)
Dimensions: 3.0 × 4.1 × 1.7 cm (1.2 × 1.6 × 0.68 in.); mounting bail 4.6 mm (3/16 in.) diameter hole