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SPK3 Rod and IR Temperature Pocket Style Tool
Convenient 2-Way Temperatures with folding ROD thermometer with 8:1 Infrared Temperature measurements

Temperature on the go.

The Fieldpiece SPK3 is a great tool to quickly take in-duct, ambient, and register temperatures.  It’s a handy tool to assess a system and it fits conveniently in your pocket.  The ROD has a sharp, narrow tip to easiy insert into duct work, and the hanging hooks allows you to take hands-free measurements. 

The bright back lite display flips between the IR and ROD measurements so readings are always easy to view.  Plus this handy tool quickly calculates T1 – T2 across both the IR and ROD modes, or a combination of the two.

  • Great to quickly assess a system
  • Folding ROD for in duct measurements
  • 8:1 IR for Diffusers, Registers and ambient temps
  • Hands free in-duct measurements
  • Quickly calculates T1 - T2 across both ROD and IR




  • Probe length: 94mm (~3.75”) long
  • Operating environment: 32°F to 104°F (<90% RH)
  • Storage environment: 14°F to 140°F (<70% RH)
  • Battery: 2 x AAA (installed)
  • Battery life (alkaline): 40 hrs (IR), 750 hrs (ROD)
  • Auto-off: 3 min, 15 min (T1-T2 mode)
  • IR range: -20°F to 932°F (-30°C to 500°C)
  • Best resolution: 0.5°F/0.2°C
  • Accuracy: (@73°F, <80%RH, calibrated @ 30cm)
    ±4°F(±2°C),(-20°F to 32°F);
    ±3°F(±1.5°C),(32°F to 50°F);
    ±2°F(±1°C),(50°F to 104°F);
    ±3°F(±1.5°C) or 1.5% of rdg,
  • Field of view (D:S): 8:1
  • Response time: 0.5 seconds
  • Wavelength: 8µm to 14µm
  • Emissivity: E=0.95
  • Rod range: 40°F to 257°F (-40°C to 125°C)
  • Best resolution: 0.1°F/0.1°C
  • Accuracy: (@73°F, <80%RH)
    ±1°F(±0.5°C), (32°F to 122°F);
    ±2°F(±1.0°C), (<32°F, >122°F)
  • Response time: 20 seconds

Brand Fieldpiece
Shipping Weight 0.5000kg
Shipping Width 0.120m
Shipping Height 0.120m
Shipping Length 0.300m
Shipping Cubic 0.004320000m3
Unit Of Measure ea
Assembled Length 0.300m
Assembled Height 0.120m
Assembled Width 0.120m
1 - Year from Date of Purchase
​Excludes Consumables such as Filters, Gaskets, Leads, Batteries, Fuses, Sensors, Oil, Cases, Wear & Tear etc

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