Nautilus Series

Single-channel, waterproof temperature data loggers with 3 to 10-year battery life

The Nautilus Series consists of two full-featured, single-channel temperature loggers designed for "wet" environments at varying temperature ranges - from oceans, streams, and wastewater to food and other liquids, Ideal for rugged applictions, Nautilus loggers come in stainless steel or aluminum and offer a high temperature option for environments where conventional loggers are unable to survive

Key Features

  • Widest temperature range supported across series (-40°C to 135°C or -40°F to 275°F)
  • 32KB memory for up to 244,800 readings with data compression
  • Compact, cylindrical design for the narrowest applications (e.g. in bottles)
  • Lightweight with stainless steel and aluminum case material options
  • 3 to 10-year battery life (depending on model)
  • 3-year warranty










Common Specifications

Size18 mm x 127 mm (0.71" x 5.00")
WeightAluminum case: 51 grams (1.8 ounces)
Stainless steel case: 112 grams (4 ounces)
Case MaterialAnodized aluminum or stainless steel
Operating LimitsSee individual specifications
Operating Pressure RangeUp to 2000 PSI
Clock Accuracy+/- 2 seconds per day
Battery3.6 volt Lithium, 0.95 Amp-Hour
Power Consumption5 to 10 microamps (continuous)
Battery LifeSee individual specifications
MountingLocking hole on cap
Memory Size32 KB (up to 244,800 readings with data compression)
Sampling Methods1. Continuous (First-in, First-out)
2. Stop when full (Fill-then-stop)
(Option to delay start)
Sampling RatesUser selectable from 8 seconds to 34 minutes
Readings stored to memory can be spot or averaged over the sample interval (except for the 8 second interval)
Resolution8-bit (1 part in 256)
PC RequirementsWindows PC with a least 256MB RAM, 250MB of hard drive space and one free serial or USB port
Software RequirementsTrendReader® 2 Express or TrendReader® 2 (compatible with Windows® XP, Vista, Windows 7, Windows 8 & Windows 10)