Cat No   Designation       Range        Grad.   Imm.   Special Features

6300     Asphalt testing   50 to 450F   5       Stem   with penetration armor
6300R    Asphalt refill    50 to 450F   5       Stem   refill thermamter only
6310     Asphalt testing   50 to 600F   5       Stem   with penetration armor
6310R    Asphalt testing   50 to 600F   5       Stem   refill thermometer only
6320     Concrete, soils    0 to 120F   1       Stem   with penetration armor
6320R    Concrete, soils    0 to 120F   1       Stem   refill thermometer only
6400     Pocket concrete   30 to 120F   1       Bulb   w/pocket case, plated bulb

Cat No   Designation       Range         Grad.   Imm.   Special Features

6420     Fry Calibration   120 to 430F   2       4-6"   Teflon encapsulated,
                                                        with armor case, 16" Lg
6420R    Fry Calibration   120 to 430F   2       4-6"   Refill thermometer only

Cat No   Designation                Range         Div   Imm.   Special Features

6500     USWB Sling Psychrometer    -20 to 120F   1     TTL    w/frame,handle,wicks
6502     USWB Sling Psychrometer    -30 to 50C    1     TTL    w/frame,handle,wicks
6520     USWB Maximum thermometer   -20 to 120F   1     TTL    w/stainless backplate
6522     USWB Maximum thermometer   -25 to 65C    1     TTL    w/stainless backplate
6540     USWB Minimum thermometer   -40 to 110F   1     TTL    w/stainless backplate
6542     USWB Minimum thermometer   -38 to 45C    1     TTL    w/stainless backplate
6560     USWB 'Exposed'             -38 to 110F   1     TTL    w/stainless backplate
6562     USWB 'Exposed'             -38 to 45C    1     TTL    w/stainless backplate

For thermometer or psychrometer refill tube only add 'R'to part number.

Cat. No. 6520