Valhalla Scientific Inc. - 2093 - Level Meter
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Valhalla Scientific^ Dual Channel, Polyphase,
Digital Wattmeters are accurate, moderate-cost
instruments for power analysis in engineering,
production test and quality assurance departments.
They provide indication of product power
consumption in the 10 Hz to 50 KHz range for devices
operating from AC power lines. Voltage, current and
power are shown simultaneously on separate digital
displays. Two separate voltage and current input
channels may be displayed separately or in combined
form, permitting single phase, two phase-and three
phase measurements of all three parameters. Voltage
and current readings are true R M S; power is true
watts (El cos Θ ).
These Wattmeters provide a fast and
convenient means of determining product efficiency,
power factor and true RM S current. Load phase angle
relationships may be accurately calculated using the
displayed digital data.
The power computation section of the
Wattmeter uses unique four-quadrant complex
waveform analog multipliers. Their outputs are DC signals
proportional to the
product of the
instantaneous values of voltage and current in each
of two channels. Two resultant wattage values are
integrated, summed and presented on a 4 1/2 digit
display. Ranges of 100% and 2 0 % of the instrument’s
maximum current are switch-selectable. Additional
switching permits separate display of either input
channel.
The Wattmeters are designed to operate from a
115 or 230 volt, 50-60HZ AC supply. Power is supplied
through a plug-in cord equipped with a 115 volt, 15
amp connector. Other connector types are available
upon request
1 Handbuch
Reparatur und Bedienungsanleitung
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Reparatur und Bedienungsanleitung
Seitenanzahl:
31
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1,5 MB
Sprache:
Englisch
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