®Technical SpecificationsRegister Extension®INSTRUMENTS, LLC.PDS-1462026-07-31Register ExtensionModel 146This rigid extension is suggested for pit or other installations to raise the register clock to a more convenient level for reading and servicing. The extension is coupled directly to the meterhead, replacing the original register clock. Installation can normally be completed in the field without removing the meter from the line. The original register clock is relocated on top of the extension.The original register clock is relocated on top of the extension. To order an extension, simply specify the distance requested on the above drawing. Not suitable for Masterflo Models. Consult Factory.