METSyS Panel Capacity Analyzer (PCA)

"METSyS logger Presentation"

The Right Tool for Conducting a Connected Load Study to Confirm Panel Capacity 

The METSyS Panel Capacity Analyzer (PCA) is a specially-designed instrument for measuring and recording 3- or 4-phase current to confirm the distribution panel's capacity in compliance with NFPA’s National Electrical Code (NEC) 2014 Article 220.87 and meeting the requirements for uniform load calculations in accordance with the requirements of the California Electrical Code (CEC).

The METSyS PCA packaged with POWERetc's proprietary macro-based Excel spreadsheet provides users with the capability of conducting connected load studies of various lengths to meet specific regulatory requirements. This provides a definitive and documented result enabling electrical contractors and facilities engineers to quickly obtain electrical inspection approval when adding new loads to a panel. 

The process requires both the calculation of the average current over an extended period in order to confirm that - with planned load additions - will remain less than 80% of the breaker rating(s). In addition, the standard requires that MIN and MAX currents are also determined over the sampling period.

The METSyS logger samples every cycle using an 8-cycle "window" and calculates the average value of the 8-cycles. These readings are accumulated for the user-selected averaging period--10s, 30s, 1m, 5m, 10m, 15m, 30m, 60m--and the average of the averages is saved as the average value for the period and the minimum and maximum sample are saved as the MIN/MAX values. The PCA's MIN/MAX values are really a composite of 8-cycles which will result in understating the peak inrush but is probably more reflective of levels that might cause breaker tripping problems.

The information below details the Basic Portable METSyS 3-Phase Panel Capacity Analyzer package plus a special, permanently-installed Cabinet Current Probe Kit for 480V cabinets.

Download METSyS Current Monitor DataSheet

Download METSyS Logger for NEC 220.87 Flyer

Download METSyS Logger for Cal HCAI [formerly OSHPD] Flyer

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Basic Package	Pricing
METSyS 3-Phase Panel Capacity Analyzer including:  3-Phase 4000A MicroFlex bundle -  6" diameter loop  (also available with 2" and 15" diameter loops) Internal 2GB SD Card USB Charger with a 120V plug adaptor and voltage probe adaptor Carry Case USB Thumb Drive with Excel Report Macro and Documentation	Purchase:  Contact for Price
METSyS 3-Phase Panel Capacity Analyzer including:  3-Phase 4000A MicroFlex bundle -  6" diameter loop  (also availalbe with 2" and 15" diameter loops) Internal 2GB SD Card USB Charger with a 120V plug adaptor and voltage probe adaptor Carry Case USB Thumb Drive with Excel Report Macro and Documentation	Rental:  Contact for Price

 

Cabinet Current Probe Kit [CCPK-6]

Pricing

POWERetc METSyS Current Probe Kit Facilitates Safe 480V Panel Connected Load Studies. The CCPK-6 Cabinet Current Probe Kit enables routine panel capacity studies to be performed in 480V panels – without the need to open or power down the panel. 4-phase, 6”-diameter MicroFlex current probe assembly rated at 4000A a thru-panel cabinet adapter/connector an exterior jumper cable to connect the METSyS logger to the cabinet connector plug METSyS current logger sold separately

Purchase:  Contact for Price

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• True RMS current measurement (50 Hz and 60 Hz) – 3 phase + Neutral
• Calibrated Rogowski coils to ease interchangeability
• 2GB internal memory for non-volatile data storage
• A USB flash drive to be used for transferring the data from the logger to the PC
• A charge port for battery charging through the micro USB port 
• A two-line LCD display and a three-button keypad to ease setup and data transfer
• Logging of measurements to internal memory
• Records Min, Max, Average and Peak currents
• Current display on an LCD screen
• 3 button simplified User Interface
• 72 Hour internal battery (for operation without connection to a power supply)
• Connectivity -  Bluetooth (BLE) and USB Generates CSV log files for easy transfer to a PC
• IoS and Android apps
  
  • Live reading display
  • Log setup
  • Start, Stop & Resume logging remotely
  • Email logged data