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Power meters
Picking the power meter for your needs depends on what you want to measure, as well as your technical knowledge. The table below will help you figure out which model you need. Contact the Equipment Loan manager with additional questions.
|
Tool |
Consumer audience |
Application |
Operation |
Skill level |
|
DM-II Pro |
Industrial, agricultural |
Monitor system long-term; record system events;
|
Line-powered w/battery back-up; memory; stand-alone or computer hookup; software provided; single or three-phase; indoor/outdoor use |
Interm.—electrician |
|
Kill-a-Watt |
Residential, small business, classroom |
Determine appliance energy consumption; explain energy consumption to consumers; measure current, future capacity requirements before solar installation; classroom energy use demonstrations |
Line-powered; stand-alone; indoor use |
Low—consumer |
|
LineTracker |
Utilities |
Monitor peak loads at network critical points; manage load distribution line capacity; locate fault cause (i.e., cracked insulators); verify breaker, recloser, fuse operations |
Battery- (rechargeable) solar-powered; memory; computer required; wireless on-site communication; software provided; single & three-phase overhead distrib. lines up to 69 kV; live-line installation (requires hotstick); weatherproof |
High—lineman |
|
PowerMonic
|
Industrial, agricultural |
Capture "flicker" events by motors, irrigation pumps, air conditioners; record transient events by VSDs, welders, capacitor banks, arc furnaces; log individual harmonics on voltage, current channels |
Line-powered; memory; computer required, software and voltage leads provided; three-phase; weatherproof |
Interm.—electrician |
|
Power Pad |
Residential, industrial, agricultural |
Measure whole-building or –system energy use or power quality during normal operation; verify power distribution circuits; troubleshoot power distribution panels, individual machinery; monitor pad-mount transformers and phase unbalances |
Battery-powered (rechargeable); display screen or computer hookup; software provided; memory indoor/short-term outdoor use |
Interm.—electrician |
|
Watts Up? |
Residential, small commercial, classroom |
Measure line voltage, diagnose voltage drop, loading problems; calculate cost of electricity appliance uses; collect customer energy use data to determine monthly costs; demonstrate savings from off-peak power use |
Line-powered; stand-alone or computer hookup; software provided; memory
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Low—consumer |
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