Pulse Process Meter

Description

The Series PPM has a unique, rugged, NEMA 4X front panel design that makes it nearly impenetrable in typical applications. The weatherproof, UV resistant, large, dual line display allows for more information, making it easier to read and simpler to program. The intensity of the display can be adjusted allowing this meter to be utilized in dark rooms as well as outdoors, due to its sunlight readable display.

It features up to eight visual alarm set points to trigger certain events and three function keys which can be programmed to provide direct menu access. With up to four relays available, the PPM features latching, non-latching, sampling, pump alteration control, and a failsafe action. Offering programmable delay time, this meter prevents recognition of false maximum or minimum reading which may be caused by the start-up or unusual process events. The PPM provides three security passwords that restrict modification of programmed settings. This unit has the ability to obtain non-linear input signals and linearize them with a general purpose 32-point linearizer.

Unit accepts pulse, open collector, NPN, PNP, TTL, switch contact, sine wave (coil), or square wave inputs and requires 85 to 265 VAC or 12/24 VDC power supply. Choose from RS-232, RS-422/485 serial communication options or any available expansion modules, accessories, and enclosures. The PPM displays flow rate and total simultaneously, with a programmable relay and 4 to 20 mA option for flow rate or flow total. The PPM is a 1/8 DIN digital panel meter specifically designed for displaying flow rate and total from a pulsed input provided by open collector, NPN, PNP, TTL, switch contact, sine wave, or square wave.

The PPM is particularly well suited for flow applications because its six-digit, dual-line display can be programmed for a wide variety of display configurations. For instance, the upper line can display either flow rate, total or grand total, and the lower line can display either flow rate, total, grand total, or engineering units. Among other things, this makes it possible to display flow rate and total, or total and grand total at the same time, a very unique feature on a 1/8 DIN digital panel meter.

Specs

  • rugged, NEMA 4X front panel design
  • up to eight visual alarm set points
  • prevents recognition of false maximum or minimum reading
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