CIRCUTOR CVM144 Series User Manual
Page 5
----- Supply network analyzer CVM-144 ------ User's manual --- Page No. 4
By means of an internal microprocessor it simultaneously measures:
Parameter
Symbol
L1 L2 L3 Average
Voltage (phase-neutral)
V
x x x
Voltage (phase-phase)
V
x x x
Current
A
x x x
xx
Frequency
Hz
x
Active power
kW
x x x
x
Reactive power L
kvarL
x x x
x
Reactive power C
kvarL /(-C)
x x x
x
Apparent power
kVA
xx
Power factor
PF
x x x
x
Cos
ϕ
xx
Power demand
Pd
x
kW h
energy
x
kvarhL
energy
x
kvarhC
energy
x
Neutral current
I
N
x
Voltage THD
% THD- V
x x x
Current THD
% THD- A
x x x
Individual harmonic
current content (Up to the 15
th
)
xx xx
xx
Analog inputs
Input
xx
Earth leakage (residual) current
x
Available: x: Display and communications xx: Communications
The CVM-144 delivers the visualization of above listed parameters by means
of three 4-digit, led type, displays. Up to 3 parameters can be simultaneously read in
the screen.
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OTHER FEATURES
- Low-size (144 x 144 mm), panel-mounting analyzer.
- True R.M.S. measuring system.
- Collection in memory of maximum and minimum values.
- Energy measurement (indication through a lighting led)
- RS-485 or RS-232 type communication to a PC (optional)
- Maximum demand determination: kW, kVA, AIII or line-current.