Registers and Pulse Generators

Contact-Closure Pulse Genertors

This pulse generator is designed to mount on an OVAL flowmeter. The flowmeter's rotor revolution proportional to the rate of flow is transmitted through a conversion gear train to a permanent magnet which in turn drives a reed switch, whereby a contact-closure pulse train proportional to the flow rate is generated. This pulse generator is used only factored pulse generation.

Specification

Model	PG20		PG20EP
	PG21	PG22	PG21EP	PG22EP
No. of Pulses per One Pointer	1 P/rev.	10 P/rev.	1 P/rev.	10 P/rev.
Conversion Gear Ratio	1/2	5/1	1/2	5/1
Principle of Signal Generation	Contact-closure pulses generated by a permanent-magnet driven reed switch
Operating Temp. Range	- 20 °C - + 90 °C
Reed Switch Assy. Test Volt. across Contact	-125 VAC, 50 VDC
Reed Switch Assy. Current Capacity	60 mA
Explosion-proof Construction	---		Flame-proof
Explosion-proof Performance	---		d2G4

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