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Fluke 51 II
  • Fluke 51 II

Fluke 51 II Single Input Digital Thermometer

Fluke authorised distributor and calibration house.

Includes: Impact absorbing holster, One 80PK-1 bead probe thermocouple and Fluke 51 ll user manual.

£239.70 Save 15%
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The Fluke 50 Series II contact thermometers offer fast response and laboratory accuracy (0.05% + 0.3°C) in a rugged, handheld test tool. Take contact temperature for checking motors, insulation, breakers, pipes, corroded connections, liquids, and wires with industrial standard J, K, T, E, N, R, and S type thermocouple (temperature sensors).

Temperature: J-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-type: 0°C to 1767°C1.


Relative time clock on MIN, MAX, and AVG provides a time reference for major events.
Electronic Offset function allows compensation of thermocouple errors to maximize overall accuracy.
Measures J, K, T, and E-types of thermocouples.
Readout in ºC, ºF, or Kelvin (K).
Splash and dust resistant case protected by impact absorbing holster.
User-friendly front panel is easy to set up and operate.
Sleep mode increases battery life; typical 1000-hour battery life.
Battery door allows easy battery replacement without breaking the calibration seal.
Optional ToolPak accessory available.
3 year warranty.

Fluke 50 Series ll Thermometers Video

Fluke 51 II Specifications
Temperature accuracy Above -100°C J, K, T, E, and N-type: ±[0.05% + 0.3°C]1
R and S-type: ±[0.05% + 0.4°C]1
Below -100°C J, K, E, and N-types: ±[0.20% + 0.3°C]1
T-type: ±[0.50% + 0.3°C]
Temperature J-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-type 0°C to 1767°C1
Temperature scale ITS-90.
Applicable standards NIST-175.
Display resolution 0.1°C, 0.1 K < 1000.
1°C, 1 K ≥ 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 category CSA C22.2 No. 1010.1 1992; EN 61010 Amendments 1,2.
Agency approvals CE, CSA, TÜV (pending).
Mechanical and General Specifications
Size (L x W x D) 173 x 86 x 38 mm.
Weight 400 g.
Batteries 3 AA batteries; typical 1000-hour life.
Fluke 51 Series ll warranty 3 years.


Fluke 50 Series II Datasheet

PDF Specifications of the Fluke 50 Series II Thermometers.

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Fluke 51 II Single Input Digital Thermometer
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