Nautilus 135 – Aluminum (01-0263)

SKU: 01-0263
Model: NTL-102

Single channel, 8 bit, 32 KB data logger (One 125°C (257°F) temperature channel – extreme environmental and pressure resistant aluminum enclosure).

* 21-0070 – Replacement “O” Ring for use with the following fluids: Alcohols, Brake Fluids, Refrigerants, Steam

NOT FOR USE WITH: Petroleum Oils, Diester Lubricants

Product Features

The high temperature capabilities of the Nautilus135 make it the ideal logger for monitoring temperature in extreme environments or environments where conventional data loggers are not able to survive.

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 applications, 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 (10°C to 125°C or -50°F to 257°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




18 mm x 127 mm (0.71″ x 5.00″)


Aluminum case: 51 grams (1.8 ounces)
Stainless steel case: 112 grams (4 ounces)

Case Material

Anodized aluminum or stainless steel

Operating Limits

See individual specifications

Operating Pressure Range

Up to 2000 PSI

Clock Accuracy

+/- 2 seconds per day


3.6 volt Lithium, 0.95 Amp-Hour

Power Consumption

5 to 10 microamps (continuous)

Battery Life

See individual specifications


Locking hole on cap

Memory Size

32 KB (up to 244,800 readings with data compression)

Sampling Methods

1. Continuous (First-in, First-out)
2. Stop when full (Fill-then-stop)
(Option to delay start)

Sampling Rates

User 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)


8-bit (1 part in 256)

PC Requirements

Windows PC with a least 256MB RAM, 250MB of hard drive space and one free serial or USB port

Software Requirements

TrendReader® Express or TrendReader® (compatible with Windows 7, Windows 8 & Windows 10)

Temperature Range

10°C to 125°C (50 to 257°F)

Sensor Accuracy

+/- 0.5°C (+/- 0.9°F)

Sensor Type

Negative temperature Coefficient (NTC) Thermistor
10,000 ohms @ 25°C (77°F)