Electronic pulse maker

• Fishmonger, at times
• Wall climber
• Tool for cleaning fish
• One eager to climb every mountain
• An electronic pulse counter used to count pulses that occur too rapidly to be recorded individually
• Angler's tool
• Dental hygienist's gizmo
• Tackle-box item

Wiktionary Word definitions in Wiktionary
n. 1 An electronic circuit that aggregates many signals into one. 2 An electronic or computer system that adjusts the size of a signal or graphic to fit on a screen etc. 3 One who scale#Verb. 4 A tool or device for scale fish.