Fluke 51 II Handheld Digital Probe Thermometer


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Fluke 51 II Handheld Digital Probe Thermometer

The Fluke 51 II single input digital thermometer delivers fast response with laboratory accuracy (0.05% + 0.3¡C). You can use the 51 II to measure contact temperature on motors, insulation, breakers, pipes, corroded connections, liquids, and wires with industrial standard J, K, T, or E-type thermocouple temperature sensors. The user friendly-front panel and large, backlit display make it easy to view results. And the sleep mode feature preserves battery life to give you a typical thousand hours of operation.

Other useful features:

  • Easy-to-access battery door that allows replacing the battery without breaking the calibration seal
  • Comes with splash- and dust-resistant case protected by an impact-absorbing holster and a three-year warranty
  • Powered by three, standard AA batteries -30-
  • Includes an electronic offset function that compensates for thermocouple errors to maximize overall accuracy
  • Handles temperatures up to 900¡C (1600¡F)
  • Provides a user-friendly front panel that is easy to set up and operate
  • Offers sleep mode to increase battery life; 1000-hour battery life typical
  • Offers optional ToolPak accessory to hang the thermometer from any metal object (with the rare earth magnet) or secure around a pipe (with hook-and-loop straps) for hands-free operation

Key features

  • Single Input digital thermometer for lab, QA, process calibration, food safety and HVAC
  • Measures J, K, T, and E-type thermocouples
  • Presents results in ¡C, ¡F, or Kelvin (K) on a large backlit display
  • Includes a relative time clock on MIN, MAX, and AVG to provide a time reference for major events

Temperature accuracyAbove -100¡CJ, K, T, E, and N-type: ±[0.05% + 0.3¡C]1
ÊR and S-type: ±[0.05% + 0.4¡C]1
Below -100¡CJ, K, E, and N-types: ±[0.20% + 0.3¡C]1
ÊT-type: ±[0.50% + 0.3¡C]
TemperatureJ-type-210¡C to 1200¡C
K-type-200¡C to 1372¡C
T-type-250¡C to 400¡C
E-type-150¡C to 1000¡C
N-type-200¡C to 1300¡C1
R and S-type0¡C to 1767¡C1
Temperature scaleITS-90
Applicable standardsNIST-175
Display resolution0.1¡C, 0.1 K < 1000
1¡C, 1 K ³ 1000
1. Only the Fluke Models 53 II B and 54 II Bthermometers are capable of measuring N, R, and S-type thermocouples.
Environmental Specifications
Operating temperature-10¡C to 50¡C
Storage temperature-40¡C to 60¡C
Humidity (without condensation)0% to 90%; 0¡C to 35¡C
0% to 70%; 0¡C to 50¡C
Safety Specifications
Overvoltage categoryCSA C22.2 No. 1010.1 1992; EN 61010 Amendments 1,2
Agency approvalsCE, CSA, T†V (pending)
Mechanical and General Specifications
Size (L x W x D)173 x 86 x 38 mm
Weight400 g
Batteries3 AA batteries; typical 1000-hour life