Portable Pulse Tester

PPT-1

The SSI PPT-1 Portable Pulse Tester is a low-cost, battery-powered field tool for quickly testing and verifying a meter’s KYZ pulse outputs. It supplies its own 3VDC wetting voltage to the relay’s output terminals and visually displays each contact closure via super-bright, sunlight-readable red and green LEDs — making pulse output activity immediately observable in bright outdoor conditions. A two-tone audio output allows the technician to hear the changes of the KYZ switch, enabling pulse verification without ever looking away from the meter.

The PPT-1 is configured in Form C (3-wire) format and can be used in either Form C or Form A (2-wire) mode. It connects to the meter via three alligator clip leads in standard Red (K), Yellow (Y), and Black (Z) colors. Powered by two replaceable AA batteries, it requires no wall transformer or charging — making it the most grab-and-go tool in the SSI field accessories lineup. A momentary Pulse-to-Test pushbutton conserves battery life by activating the circuit only when needed.

The PPT-1 Portable Pulse Tester on a white background.

Product Highlights

The PPT-1’s combination of sunlight-readable LEDs and two-tone audio is specifically designed for the realities of meter fieldwork — where meters may be mounted in bright outdoor enclosures, noisy substations, or other environments where a standard LED indicator is difficult to see or where a technician’s hands and eyes may be occupied. The audio tone changes with each KY or KZ contact transition, providing an unambiguous indication of KYZ output state without visual contact.

Its compact, lightweight, handheld enclosure and AA battery power make it the most portable and lowest-cost verification tool in the SSI lineup — ideal to carry alongside other field equipment as a quick go/no-go check.

Features

The SSI PPT-1 is a battery-powered KYZ pulse tester with sunlight-readable LEDs and two-tone audio output for quick visual and audible pulse output verification in the field.
  • Two-tone audio output — distinct tones for K-Y and K-Z transitions; allows audible pulse verification without watching the display.
  • Sunlight-readable LEDs — super-bright red and green LEDs clearly display K-Y and K-Z continuity status in direct outdoor light.
  • Form C and Form A compatible — configured for 3-wire Form C; usable in 2-wire Form A mode with either lead pair.
  • Built-in 3VDC wetting voltage — supplies sense voltage to the meter's Y and Z outputs; no external power source required.
  • Two replaceable AA batteries — no recharging required; readily available batteries for unlimited field use.
  • Pulse-to-Test pushbutton — momentary activation conserves battery life; circuit only energized during testing.
  • Color-coded alligator clip leads — Red (K), Yellow (Y), Black (Z) with 18" leads for flexible connection to meter terminals.
The PPT-1 Portable Pulse Tester

Audio-Visual KYZ Pulse Tester

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