Metric and usa o ring sizing tape measure.
O ring measuring gauge.
Use a ruler to measure the diameter from one outer corner of the o ring to the other outer corner.
How to use an o ring gauge.
This is a sliding tool with silhouettes of o rings down its length.
Use a ruler or calipers to measure from one inner edge to another.
Just place your o ring around the holder on one side and around the notch on the other side.
Cone for 1 4 to 3 id ranges comes with a sizing tape to identify large o rings with a 3 1 8 to 8 id.
Slide gauge for measuring o rings up to 13 inside diameter.
For o rings of larger sizes you can simply place them around the spindles at the top of the gauge and then extend the slider until the ring is taut.
Lay o ring on page until inner diameter or outer diameter is determined.
Determine the inside diameter.
Accurately determine o ring sizes in all as568 standard cross sections up to 13 id.
Place the o ring into a vernier caliper.
Measures as568a dash series 001 050 102 178 201 279 309 382 and 425 455.
Determine width using thickness gauge.
Slide out the gauge until the o ring is taut but not stretched.
Quick reference tape measure confirms metric size o rings 64mm 665mm inside diameter on one side and usa as568 standard o ring sizes from 2 5 id to 26 inside diameter on the other side.
This two piece measuring system identifies 226 dash numbers.
For positive measurement o rings every time you can use nimax o ring identification gauge for accurate measurements of o ring i d.
To measure the outside diameter use a ruler or calipers to measure from one outer corner of the o ring to the other outer corner.
Place the o ring on a clean flat level surface.
The telescoping slide is easy to use.
Below are the steps to take to properly measure for a new or replacement o ring.
Determine the inside diameter by using a ruler to measure from one inner edge to another.
This handy device helps a person to identify and measure the size of a smaller o ring through matching them to the silhouettes along the side of the gauge.
For smaller o ring sizes you simply match them up to one of the silhouettes on the body of the gauge.
Oring measuring tools nimaxseals cone gauge pi tape.
To find out the size of a larger o ring place the o ring around the two halves of the suitable spindles at the top of the o ring gauge.
Place an o ring onto one of these sizing cones to determine the size of your o ring.
4 mm 3 mm 2 5 mm 2 mm 1 5 mm 1 mm metric cross section gauge 33 mm 34 mm 36 mm 38 mm 39 mm 41 mm 42 mm 44 mm 45 mm 47 mm 48 mm 51 mm 52 mm 54 mm 57 mm 3 mm 5 mm 7 mm 8 mm 10 mm 11 mm 12 mm 14 mm.
Cone for 6 mm to 69 mm id ranges identifies the actual o ring size.
O ring gauge metric o ring gauges 1.