Fluke 51 52 53 54 II series thermometer autopsy

Technical documentation
01/12/2010

Fluke 50 Series II represents a significant advance in thermocouple type thermometers. Following in the footsteps of the successful original 50 series, the new 50 Series II thermometers offer break-through technology. This advancement yields unmatched "laboratory grade" accuracy (0.05% + 0.3° C) inside a rugged handheld test tool.

  • Laboratory grade accuracy (0.05% + 0.3° C)
  • Large dual-value display with backlight
  • Miminum, Maximum and average value with time stamp
  • T1-T2 Differential mode (only for 52 & 54)
  • Electronic Offset for error compensation
  • J, K, T, & E-type thermocouples (R,S,N, for 53/54)
  • °C, °F, or Kelvin (K) readout
  • Sleep mode for up to 1000 hour battery life
  • Easy battery replacement without breaking your calibration seal

Included files are high-resolution images of this meter autopsy

Eearly revisions use Texas Instruments MSP430P337I OTP uC.
Later - customly marked Texas Instruments chip (remarked?)

Files

_TIN5418.jpg - Main PCA component side Fluke 5X-3011 REV 101 (2.39 MB) tin, 01/12/2010 21:34

_TIN5369.jpg - Film keyboard with rubber buttons (1.21 MB) tin, 01/12/2010 21:34

_TIN5335.jpg - Main PCA component side Fluke 5X-3011 REV 104 (3.38 MB) tin, 01/12/2010 21:34

_TIN5337.jpg - Main PCA back side for LCD Fluke 5X-3011 REV 104 (3.17 MB) tin, 01/12/2010 21:34

_TIN5338.jpg - Connector PCA component Fluke 5X-3012 REV 101 (998 KB) tin, 01/12/2010 21:34

_TIN5340.jpg - Connector PCA Fluke 5X-3012 REV 101 (1000 KB) tin, 01/12/2010 21:34

_TIN5346.jpg - Boards interconnect (1.89 MB) tin, 01/12/2010 21:34