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Metering Rods

Illustration of wire winding and substrateThese wire-wound metering rods, when used on a precision surface such as the Diversified Drawdown Platform, will apply a highly uniform wet film thickness, which is ideal for dyne testing. We recommend using rods with #3 wire - these will meter the test fluid to a thickness of about .0003" (0.3 mil, or 7.5 microns). Thinner fluid films are extremely difficult to maintain and see; thicker films will be less sensitive to purely surface effects.

These rods - also widely known as Mayer Rods or drawdown bars - are fabricated from 303 stainless steel; the wire winding is 304 stainless steel.. They are 16" (406mm) in length, with 12" (305mm) of wire wound on center. Rods are available in 1/4" (6.3mm) or 1/2" (12.7mm) diameter.

*Note: Prices are based on the total number of metering rods ordered, regardless of diameter.

#553xx - 1/2″ Metering Rods

1-3 4-7 8-15 16-31 >31
$35.65 $33.50 $31.50 $30.15 $29.15
Code Description Our Price Qty.
55303 #3 x 1/2" Metering rod $35.65
55306 #6 x 1/2" Metering rod $35.65

#552xx - 1/4″ Metering Rods

1-3 4-7 8-15 16-31 >31
$29.85 $27.85 $25.85 $24.15 $23.15
Code Description Our Price Qty.
55203 #3 x 1/4" Metering rod $29.85
55206 #6 x 1/4" Metering rod $29.85

#553xx - 1/2″ Metering Rods

1-3 4-7 8-15 16-31 >31
$35.65 $33.50 $31.50 $30.15 $29.15
Code Description Our Price Qty.
55303 #3 x 1/2" Metering rod $35.65
55306 #6 x 1/2" Metering rod $35.65

#552xx - 1/4″ Metering Rods

1-3 4-7 8-15 16-31 >31
$29.85 $27.85 $25.85 $24.15 $23.15
Code Description Our Price Qty.
55203 #3 x 1/4" Metering rod $29.85
55206 #6 x 1/4" Metering rod $29.85