Size
2” (68 mm) - Model T20
1¾” (44.5mm) - Model T17
Accuracy Class
1% full-scale value (ASME B40.3)
Min. / Max. Ranges
-100°F to 1000°F (and equivalent °C)
Working Range
Steady: full-scale value
Short Time: 110% of full-scale value
Under / Over Range Protection
Temporary over or under range tolerance of 50% of scale up to 500°F (260°C)
Connection
Plain, 7/16” hex hub with no threads
Stem
304 SS, TIG welded at tip and case connection.
0.150” diameter (0.142” on Model 2008)
Measuring Element
Bi-metal helix
Dial
White aluminum, flat, with black markings
Case
Material: 304 SS
Pointer
Black aluminum
Standard Scales
Single: °F or °C
Dual: °F (outer) and °C (inner)
Window Gasket
Neprene
Silicone (-100°F and over 550°F)
Window
Flat instrument glass
External Reset
Externally adjustable on plain connection only. No external adjustment available on threaded connections.
Dampening
Inert gel to minimize pointer oscillation
