Nautilus 135 battery powered temperature datalogger

  • internal temperature sensor type: NTC thermistor 10.000 ohms @ 25°C
  • temperature measurement range:  +10°C to +125°C
  • temperature measurement accuracy:
    • +10°C to +38°C: better than+/- 2.3°C
    • +38°C to +121°C: better than+/- 1.2°C
    • +121°C to +125°C: better than+/- 1.5°C
  • resolution: 8-bit
  • operating pressure: up to 137 Bar, corresponding to 1400 meters of water
  • battery lifetime: 3 years under normal use (factory replaceable)
  • storage/memory size: 32kB up to 32.640 readings without compression, with compression 244.800 readings
  • reusable when memory full: yes
  • sample rate: 8 second to 34 minutes
  • start logging delay: you can specify a time & date to start logging
  • recording modes: ring buffer or stop when full
  • pc connection: with USB interface cable 
  • dimensions: 18mm x 127mm
  • weight:
    • anodized aluminium: 51g
    • stainless steel: 112g
  • material seals: EPDM (standard) or Viton (optional)
  • protection class: water proof
  • mounting: mounting hole on cap
  • conformity: 
    • EN61326: 1977 + A1: 1998 (European emissions and immunity covering ESD, RFI, EFT /B, surge, conducted immunity, voltage dips and interruptions)
    • Meets FCC standard 47 CFR part 15, subpart B: 1999, Class B, (US radiated and conducted emissions)
  • optional
      • factory calibration verification and NIST certificates are available on request
      • Viton (part number 21-0071) instead of EPDM (part number 21-0070) O ring
      • TrendReader software and USB interface cable
Nautilus battery powered temperature datalogger
+10°C to +125°C
ACR Nautilus battery powered extreme environment temperature datalogger
connection to TrendReader via USB
Nautilus extreme environment battery powered temperature datalogger
aluminium or stainless steel housing
NIST calibration
optional NIST calibration certificate

O-ring seal compatibility

Nautilus datalogger o-ring seal compatability
  • o-ring size: AS568A 111
  • inspect o-ring regularly and replace every 3 months or earlier if wear and tear is visible. Spare o- rings can be separately ordered, see ordering code below.
  • the o-ring should be moistened with silicon grease to maintain the waterproof seal

Ordering code

  • Nautilus aluminium housing datalogger NTL-102 part number 01-0263
  • Nautilus stainless steel housing datalogger NLT-103 part number 01-264
  • Viton o-ring seal part number 21-0071
  • EPDM o-ring seal part number 21-0070 (standard)