Blue Diameter Tape Measures

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16 Products

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Diameter-Measuring Tape Measures

Wrap around duct, pipe, and other cylindrical objects to find their diameter without complex calculations. These tape measures are ideal for already mounted objects since you don't need to take your system apart. Also known as tree tapes.

Vernier Scale with Calibration Certificate

Image of Product. Front orientation. Tape Measures. Diameter-Measuring Tape Measures, Vernier Scale.

Our most precise diameter-measuring tape measures. Wind the blade around your object until the top scale aligns with the bottom vernier scale, then add the values together to find your diameter. These tape measures include a calibration certificate traceable to NIST, so you can be confident your measurements are correct and consistent.

Blue Blade—White markings pop against the blue background, so you can read these tape measures in dimly lit areas.

					Blue Blade
Dia. Measured	Numeric Graduations	Measurement Precision	Wd.	Tip Style		Each







			Steel Blade

			3/4" to 9"	1"	0.001"	1/2"	Knob	1982A201	0000000


			2" to 12"	1"	0.001"	1/2"	Knob	1982A612	000000
			2" to 24"	1"	0.001"	1/2"	Knob	1982A613	000000
			12" to 24"	1"	0.001"	1/2"	Knob	1982A614	000000
			12" to 36"	1"	0.001"	1/2"	Knob	1982A615	000000
			24" to 36"	1"	0.001"	1/2"	Knob	1982A616	000000
			24" to 48"	1"	0.001"	1/2"	Knob	1982A617	000000
			36" to 48"	1"	0.001"	1/2"	Knob	1982A618	000000
			48" to 60"	1"	0.001"	1/2"	Knob	1982A619	000000
			60" to 72"	1"	0.001"	1/2"	Knob	1982A621	000000
			72" to 84"	1"	0.001"	1/2"	Knob	1982A622	000000


			84" to 96"	1"	0.001"	1/2"	Knob	1982A623	000000
			96" to 108"	1"	0.001"	1/2"	Knob	1982A624	000000
			108" to 120"	1"	0.001"	1/2"	Knob	1982A625	000000
			100 mm to 300 mm	1 cm	0.01 mm	1/2"	Knob	1982A631	000000
			300 mm to 600 mm	1 cm	0.01 mm	1/2"	Knob	1982A632	000000