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Home / VPS mesuring instruments

General features

OPERATION STANDARDS:
IEC 5
VDE 0410
DIN 43780
UNE 21318
BS 89

Shunts: DIN 43703

CERTIFIED BY:
Lloyd’s Register of Shipping (for use in vessels)
Bureau Veritas (for use in vessels)
I.N.T.A. ET (vibration and shock)
Accepted by Germanischer Lloyd (for use in vessels)

CASES:
Standard: DIN 43700
-Panel Instruments 48x48, 72x72, 96x96, 144x144 and 144x72mm have metal case with antirust protection and stove enamel finish. All other panel instruments have plastic or bakelite case.
-Portable instruments are available in two versions: bakelite case (with optional leather handle and cover) or wooden case with leather handle.

FRONT FRAMES:
DIN Standard 43718s
Panel Instruments: black color RAL 9005 (or, on request, grey RAL 7037)

TERMINALS:
-Ammeters from 20 to 100A = M.6
-Other instruments: M.4

ACCURACY:
-Panel Instruments:
Bimetallic, Class 2,5 (± 2,5 % of full scale)
Frequency meters: ± 0,5 % of nominal frequency value
All other meters: Class 1,5 (± 1,5 % of full scale)

-Portable Instruments:
Frequency Meters: ± 0,3 % of nominal frequency value
All other meters: Class 1 (± 1 % of full scale)
Class 0,5 is available on some instruments.

OVERLOADS:
-Voltmeters or Voltage Circuit Instruments:
1.2 UN: continuously
2 UN: for 5 seconds
-Moving Iron Ammeters or Current Circuit Instruments:
1.5 In: continuously
5 In: for 30 seconds
10 In: for 5 seconds
40 In: for 1 second
-Bimetallic Ammeters:
1.5 In: continuously
15 In: for 1 second
80 In: for 1 second with saturable Current Transformer type CT TU3b 5/5

TEST VOLTAGE
2000 V – 50 Hz for 1 minute
On request up to 3000 V.

DEGREE OF PROTECTION
Norms IEC 144, DIN 40050
Housings: IP 52 (on request IP 54)
Terminals: IP 00 (on request IP 20)
(models 48x48, 72x72 and 96x96mm)

OPERATING TEMPERATURE
10…20…30°C in their Accuracy Class
Nominal Range of Use: -25…+40°C

EXTERNAL MAGNETIC INFLUENCE
Complies with VDE 0410, § 38, IEC 51 § 6-3-2 for external magnetic fields up to 0,5 mT

VIBRATION RESISTANCE
Complies with VDE 0410 § 27
Amplitude ±0,25mm and 50Hz frequency, equal to 2,5 g.
On each one of the three axes for 20 minutes on each axis.

IMPACT RESISTANCE
Complies with VDE 0410 § 28
Five impacts in parallel direction of the three axes of the instrument with 15 g. acceleration.

TROPICAL VERSION (NAVAL SERIES)
Complies with DIN 40040
Carefully sealed and specially treated against corrosion.
Temperature limits: -25…+55°C
Relative humidity: 95% (at max. temperature 35°C during 30 days per year)
Average value per year of relative humidity must not exceed 75%. For these features ask for mark ‘Trop’.

 
 

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