Laboratory Instruments Class 0,5

LABORATORY INSTRUMENTS Class 0,5


Common features 1- AC and DC Voltmeters 2- AC and DC Ammeters 3- Electrodynamics Power Meter 4- Electrodynamics Frequency Meter 5- 1phase and 3phase Power Factor Meters 6- Current Transformers T.A. 7- Shunt 8- ARON Measure System 9- Phase Sequence Indicator *---> Class 2 INSTRUMENTS -->*

Technical characteristics
These instruments are studied and realised for the employment in electrotechnics laboratory or in electronics laboratory.
The absorption and the recovery times of the pointer ( which are particularly light and lower), are negligible.
This technique leaded also to avoid the deterioration of pivots caused by shakes or vibrations.
The suspensions are on sprung sapphires with short excursion, and for this reason, the instruments can be considered shockproof.
The instruments case is strong enough to garantee the resistence against strikes and falls, because it is made with a thermosetting material.
The scales are drew with an high number of divisions and lots of instruments have more scales in the way to avoid the adoption of unconfortable constants.
In general, it is enough to do simple operations like x2,x1, :2 and an abacus supplies (on the instruments scales with lots of Range), the constants to multiply the reading, based on nominal values of V and I.
This is a very usable result in the didactic employment.
The knife pointer and the mirror scale avoid the parallax reading error.

AC and DC Voltmeters

Code	Precision	Mod.	Range
LAV1	0,5	mobile iron dc/ac	3-6-12-30V
LAV2	0,5	mobile iron dc/ac	60-120-300-600V
LCV1	0,5	mobile bobbin dc	60-120-300-600mV-1,2-3-6V
LCV2	0,5	mobile bobbin dc	6-12-30-60-120-300-600V

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AC and DC Ammeters

Cod.	Precision	Mod.	Range
LAA1	0,5	mobile iron dc/ac	60-120-300-600mA
LAA2	0,5	mobile iron dc/ac	0,6-1,2-3-6A
LAA3	1	mobile iron dc/ac	60-120-300mA -0,6-1,2-3-6A
LAA4	1	mobile iron dc/ac	0,2-1-5-15-30A
LCA1	0,5	mobile bobbin dc	15-30-75-150-750-300-1500µA
LCA2	0,5	mobile bobbin dc	60-120-300-600mA-1,2-3-6A

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Electrodynamic Power Meter for dc and ac

Cod.	Range Voltm.	Range Amper.	Class/CosØ
LW5/480	12-24-48-120-240-480V	0,5-1-2,5-5A	0,5 / 1
LW5/600	15-30-75-150-300-450-600V	0,5-1-2,5-5A	0,5 / 1
LW10/480	48-120-240-480V	10 A	0,5 / 1
LW10/600	15-30-75-150-300-450-600V	5-10A	0,5 / 1
LW5/520	6-12-24-36-48-60-120-240-360-480-600V 3Ph: 13-26-52-104-208-416-520V	0,05-0,1-0,5- 1-2,5-5A	1 / 1
LW10/520	15-30-75-150-300-450-600V 3Ph: 65-130-260-390-520V	5-10A	1 / 1
LW20/416	12-24-60-120-240-360-480V 3Ph: 104-208-416V	1-5-10-20A	1 / 1
LW1/480-02	15-30-60-120-240-360-480V 3Ph: 52-104-208-416V	0,5 - 1 A	1 / 0,2
LW5/480-02	15-30-60-120-240-360-480V 3Ph: 52-104-208-416V	2,5 - 5A	1 / 0,2
LW1/600-02	15-30-75-150-300-450-600V	0,5 - 1 A	1 / 0,2
LW5/600-02	15-30-75-150-300-450-600V	2,5 - 5A	1 / 0,2

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Frequency Meter

LFI Pointer Frequencymeter
Range: 30 - 70 Hz;
Voltage: 100 - 500V

FC 2 Reed frequencymeter
25 reeds; - 54-66Hz;
Voltage: 110 - 160 - 220 - 300 - 380 -500V

FC 3 - Reed frequencymeter (twice reeds)
50 reeds; 44 - 56Hz e 54 - 66Hz;
Voltage: 110-160-220-300-380-500V

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**Electrodynamics Power Factor Meters**
Code	Mod	Voltage	Current	CosØ
LCOS1-1	1F/3F	150-300-450-600 V	1A	0,4ind. - 1 - 0,4 cap.
LCOS1-2	1F/3F	150-300-450-600 V	5 A	0,4ind. - 1 - 0,4 cap.
LCOS1-3	1F/3F	150-300-450-600 V	10A	0,4ind. - 1 - 0,4 cap.
LCOS3-1	1F/3F	150-300-450-600 V	1-5A	0,4ind. -1-0,4 cap.
LCOS3-2	1F/3F	150-300-450-600 V	5-10A	0,4ind.-1-0,4 cap.
LCOS3-3	1F/3F	120-240-380 V	1-5-10A	0,4ind. - 1 - 0,4 cap.

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