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Fluke 51-2, 52-2, 53-2, & 54-2
Digital Thermometers

  • Electronic Offset function allows compensation of thermocouple errors to maximize overall accuracy
  • Measures J, K, T, and E-types of thermocouples
  • Readout in °C, °F, 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 allows the thermometer to hang from any metal object (with the rare earth magnet) or secure around a pipe (with hook-and-loop straps) for hands-free operation.
  • 3 year warranty
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Fluke 51-2
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Fluke 52-2
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Product Information
Manual 226 KBPDF
Selection Guide 474 KBPDF
Specifications HTMLClick to jump to...
Ordering Info Jump to Product Models, Prices, Accessories, and Ordering Information
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Specifications
Temperature Accuracy Above -100 - °C: J, K, T, E, and N-type: ±(0.05% + 0.3°C)*
R and S-type: ±(0.05% + 0.4°C)*
Below -100 - °C: J, K, E, and N-types: ±(0.20% + 0.3°C)*
T-type: ±(0.50% + 0.3°C)
Temperature range 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 °C *
R and S-type: 0 °C to 1767 °C *
Temperature scale ITS-90
Applicable standards NIST-175
Display resolution 0.1 °C, 0.1 K < 1000
1°C, 1 K >=1000
Note * Only the Fluke Models 53 II and 54 II thermometers are capable of measuring N, R, and S-type thermocouples.
Ordering Information
Model Description Buy Online Price
Fluke 51 II
MFR ID: 674686
Fluke 51-2 Single Input Digital Thermocouple Thermometer Buy Now Sale $256.46
(Reg. $284.95)
Fluke 52 II
MFR ID: 674689
Fluke 52-2 Dual Input Digital Thermocouple Thermometer Buy Now Sale $292.46
(Reg. $324.95)
Obsolete Models
532 Fluke 53-2 Single Input Recording Thermometer Discontinued
Replaced by: 53-2B
542 Fluke 54-2 Dual Input Recording Thermometer Discontinued
Replaced by: 54-2B
Included Accessories
  51-2 & 53-2 Include:
  • 1 - Beaded probe thermocouple
  • 1 - CD-ROM
  • 3 - AA Batteries
  • 1 - Users Manual
52-2 & 54-2 Include:
  • 2 - Bead probe thermocouples
  • 1 - CD-ROM
  • 3 - AA Batteries
  • 1 - Users Manual
Included
Optional Accessories
Cases and Holsters
Fluke C50
MFR ID: 762823
Fluke C50 Soft Carrying Case with Inside Pocket Belt Loop and Meter Strap Buy Now Sale $29.38
(Reg. $36.35)
Fluke C90
MFR ID: 466029
Fluke C90 Soft Carrying Case with Inside Pocket for Leads & Probes Buy Now Sale $29.38
(Reg. $36.35)
Fluke C101
MFR ID: 2437514
Fluke C101 Hardsided Carrying Case with Configurable Foam Interior Buy Now Sale $52.49
(Reg. $67.55)
Fluke TPAK
MFR ID: 1281997
Fluke TPAK ToolPak, Magnetic Meter Hanger Kit Buy Now Sale $33.95
(Reg. $43.95)
Fluke C510
MFR ID: 1547885
Fluke C510 Leather Carrying Case, for most Multimeters Buy Now Sale $62.97
(Reg. $72.75)
Fluke C550
MFR ID: 1547919
Fluke C550 Rugged Canvas Tool Bag, 5 Pockets, Water Resistant Buy Now Sale $86.95
(Reg. $98.75)
Extended Warranty CarePlans
Fluke G3P-Group2
MFR ID: 4112750
Fluke G3P-GROUP2 Gold CarePlan - Extends warranty from 3 to 5 yrs & includes annual NIST calibration Buy Now Sale $381.60
(Reg. $424.00)
Fluke S3P-Group2
MFR ID: 4112789
Fluke S3P-GROUP2 Silver CarePlan - Extends warranty from three to five years Buy Now Sale $93.95
(Reg. $106.00)
Software
FVF-UG
MFR ID: 1576741
Fluke FVF-UG Fluke View Forms Software Upgrade Buy Now Sale $109.95
(Reg. $123.95)
Temperature
Fluke 80PJ
MFR ID: 1288234
Fluke 80PJ-EXT Extention Wire Kit for Type J Thermocouples Buy Now Sale $47.95
(Reg. $57.15)
Fluke 80PK 1
MFR ID: 750422
Fluke 80PK-1 Type K General Purpose Bead Probe Buy Now Sale $25.18
(Reg. $31.15)
80PJ-1
MFR ID: 1288191
Fluke 80PJ-1 Type K General Purpose Bead Probe Buy Now Sale $24.70
(Reg. $28.55)
Fluke 80PK 22
MFR ID: 2098684
Fluke 80PK-22 Type K SureGrip, Immersion Temperature Probe Buy Now Sale $75.66
(Reg. $93.55)
Fluke 80PK 24
MFR ID: 2098691
Fluke 80PK-24 K-Type SureGrip Air Temperature Probe Buy Now Sale $97.95
(Reg. $114.35)
Fluke 80PK 25
MFR ID: 2098706
Fluke 80PK-25 Type K SureGrip Piercing Temperature Probe Buy Now Sale $96.95
(Reg. $114.35)
Fluke 80PK 26
MFR ID: 2098714
Fluke 80PK-26 Type K Suregrip Tapered Temperature Probe Buy Now Sale $97.95
(Reg. $114.35)
Fluke 80PK 27
MFR ID: 2098723
Fluke 80PK-27 Type K Suregrip Industrial Surface Temperature Probe Buy Now Sale $280.76
(Reg. $311.95)
Fluke 80PK 3A
MFR ID: 874610
Fluke 80PK-3A Type K Surface Probe Buy Now Sale $127.66
(Reg. $155.95)
Fluke 80PK 8
MFR ID: 200360
Fluke 80PK-8 Type K Pipe Clamp Temperature Probe Buy Now Sale $139.95
(Reg. $176.75)
Fluke 80PK-9
MFR ID: 1288229
Fluke 80PK-9 Type K General Purpose Probe Buy Now Sale $50.95
(Reg. $62.35)
Fluke 80PK
MFR ID: 1288241
Fluke 80PK-EXT Type K Extension Wire Kit Buy Now Sale $47.95
(Reg. $57.15)
80PJ-9
MFR ID: 1288218
Fluke 80PJ-9 General Purpose Probes Buy Now Sale $49.95
(Reg. $62.35)