轉速表-指針顯示

Tachometers and Tach/Hourmeters – AT and ATH Series（英文版）
轉速表和轉速小時表-AT和ATH系列（中文版）

轉速表-數字顯示

Selectronic? Digital Tachometer – MT90 Model
Digital Tachometer and Hourmeter with Adjustable Overspeed Set Point – Model MTH6
Digital Tachometer and Hourmeter with Adjustable Overspeed Trip Point – SHD30 and SHD30-45 Models

速度開關

Electronic Speed Switches - HD9063 Series, OS77D Series and SS300 Series

小時計-電動機械式

Hourmeters – TM Series

計時器-機械式

Time Switches, Models 5T, 15T, 12T and 24T 12 or 24 Hour and 5 or 15 Minute

MT90數字轉速表 Digital tachometer
MTH6數字轉速表和小時計 Digital tachometer/hourmeters.
SHD30 SHD30-45小時計 Digital tachometer and hourmeter with adjustable overspeed trip point
ATS / ATA / ATHA / ATHS電動式轉速表 Tachometers and tachometer/hourmeters
MP series Magnetic Pickup Speed Transducers

Murphy Selectronic MT90 digital tachometer	Murphy MTH6 Tachometer and hourmeter with overspeed shutdown or alarm
Murphy SHD30 and SHD30-45 are microprocessor-based tachometers with hourmeter	Murphy AT / ATH Tachometers
Murphy TM Series Hourmeters	Murphy HD9063 speed switch
Murphy OS77D Series single set point speed switch	Murphy SS300 Series are single set point speed switches
Murphy Time Switches 5T / 15T / 12T / 24T Timers