Quick start manual

STER PMU Quick Start Manual Introduction
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1 Introduction
STER PMU is a handheld synchrophasor measurement unit, equipped with a rechargeable battery pack, GPS for
time source, GPRS modem or Serial to Ethernet converter for remote data reporting, and SD card slot for local
storage of 5 months of synchrophasor measurements.
It is designed to provide an easy to setup solution for remote measurement and data acquisition. Combined with
the WAMSTER cloud storage system, it provides instant access to measured data through an ad-hoc, zero
configuration network.
Figure 1.1: Ster PMU device
1.1 MAIN FEATURES
  / 1000 V.
 4 current channels with support for automatic clamp recognition
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.
 Simultaneous 8 channels - 16bit AD conversion for accurate power measurements (minimal phase shift error).
 Up to 4 hours of autonomous (battery) supply.
 8Mb of internal flash memory for 77 minutes of synchrophasor data, or 32Gb of external flash memory (SD
card) for more than 5 months of synchronous reporting speed measurements
 GPRS modem provided for remote connection to the Wamster server.
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with selected Smart clamp types