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Fluke 51 II Single Input Digital Thermometer
  • Fluke 51 II Single Input Digital Thermometer
  • Fluke 51 II Single Input Digital Thermometer
  • Fluke 51 II Single Input Digital Thermometer
  • Fluke 51 II Single Input Digital Thermometer

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.

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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.

Download (110.58k)
C50 Zippered carrying case with inside pocket belt loop and inside meter. 762823
C550 Tool Bag. 1547919
CXT170 Extreme case. Unbreakable, watertight, airtight, dustproof, chemical resistant and corrosion proof. 3352567
TPAK ToolPak™ Magnetic Meter Hanger Kit includes:
9 inch hook and loop strap
Universal hanger clip
Hook hanger for non magnetic surfaces
Strong magnet.
80PK-1 Type-K thermocouple for general purpose applications. 750422
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80PK-24 Type-K thermocouple for use in air and non-caustic gas measurements. 2098691
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