Circutor CVM144 Series Uživatelský manuál stáhnout pdf (Strana 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

Power demand Pd x

kW h energy x

kvarhL energy x

kvarhC energy x

Neutral current I

Voltage THD % THD- V x x x

Current THD % THD- A x x x

Individual harmonic

current content (Up to the 15

)

xx xx xx

Analog inputs Input xx

Earth leakage (residual) current

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.

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Circutor CVM144 Series Uživatelský manuál Strana 5