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M42303

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    Ammeter M42303, voltmeter M42303, milliammeter M42303, kiloampermetr M42303, kilovoltmeter M42303 (M 42 303, M-42 303, m42303, m 42 303, m-42 303)
    M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter designed to measure current and voltage in electrical circuits, DC.
    Instruments can measure currents ranging from 10mA to 20A and voltages from 25mV to 750V with the direct inclusion.
For measurements of currents and voltages in excess of those limits are applied and additional external shunt resistor (ordered separately).        
    Norm of mean time to failure of devices M42303 (m), microammeter M42303 - 55000 hours, devices M42303 - 92 250 hours;
    Average life instruments for 12 years;
The design of the housing units M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter degree of protection IP50 on the front panel or IP54, to live parts - IP00.
    M42303 devices ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter withstand prolonged overload current or a voltage equal to 120% of full span for 2 hours;
    The device is filled with high-quality plastic case that can be used in harsh environments.
    Calibrated wires connecting the devices with shunts are supplied with equipment (at customer's request).On request is possible to manufacture devices with enhanced protection.
    M42303 devices ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter DC can be produced with a zero mark at the beginning or middle of the scale;
    Scale devices can be implemented in any physical unit, with special stamps, inscriptions, etc. according to the customer.
The normal position of ammeter instrumentation M42303, M42303 voltmeter, milliammeter M42303, M42303 kiloampermetr, kilovoltmeter M42303 vertical or horizontal.Possible to manufacture devices with other outside dimensions on request.
 
Technical characteristics of the devices M42303 ammeters, voltmeters, M42303, M42303 milliammeter, kiloampermetry M42303, M42303 kilovoltmeters:
 
    Dimensions - 40h40mm, cutout in the panel d - 37,5 mm;
    Weight - 0.08 kg;
Other dimensions of the devices M42303 ammeters, voltmeters, M42303, M42303 milliammeter, kiloampermetry M42303, M42303 kilovoltmeters shown in Figure 1:
      
  М42303 - voltmeter - front view М42303 - voltmeter - side view М42303 - voltmeter - rear view.

    Fig. 1.
    М42303
 
where A - 40mm B - 36mm, C - 12mm, D - 36,1 mm, D1 - 37,5 mm, d - 3 mm, E - 32mm;
    Accuracy Class - 2.5, 4.0;
    Measuring range
- 5mA, 10mA, 15mA, 20mA, 30mA, 50mA, 100mA, 150mA, 300mA, 500mA, 600mA, 3/30mA, 3/50mA, 5/50mA, 1A, 2A, 3A, 5A, 10A, 15A (a way of including appliances ammeter M42303, M42303 milliammeter, kiloampermetr M42303 - directly);
     - 15A, 20A, 30A, 50A, 75A, 100A, 150A, 200A, 300A, 500A, 750A, 1000A, 1500A, 2000A, 4000A, 6000A (a way to turn - with an external shunt 75 mV);
- 0,075 V, 2V, 3V, 7.5V, 10V, 15V, 20V, 30V, 50V, 75V, 100V, 150V, 250V, 300V, 500V, 600V (method of use, voltmeter M42303, M42303 kilovoltmeter - directly);
     - 150/1500V; 15/150/1500V, 1000V, 1500V, 3000V (including way - with a separate calibrated incremental resistance R4201 with a nominal current of 5 mA).
Measurement range, the voltage or current full deflection and method of use, M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter shown in Table 1;
 
Table 1 Range, the voltage or current full deflection and method of use, M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter
 
Measurement range, mA
Voltage drop, mV
Max
Way to incorporate
with the zero mark on the edge of the range
from ground level within the range
0 mA-0, 5 mA
0 mA-1mA
0 mA-5mA
0 mA-10 mA
0 mA-15 mA
0 mA to 20 mA
0 mA-30 mA
0.5 mA 0 mA = 0, 5mA
1mA 1mA, 0 mA-
5mA 5mA, 0 mA-
10mA-10mA-0 mA
15mA-15mA-0 mA
20mA, 0 mA to 20 mA
30mA-30mA-0 mA
303
605mV
190mV
75mV
87mV
90mV
50mV
Direct
0 mA-50mA
0 mA-100 mA
0 mA-150 mA
0 mA-300 mA
0 mA-500mA
0 mA-600mA
50mA-50mA-0 mA
100mA-100mA-0 mA
150mA-150mA-0 mA
300mA-300mA-0 mA
500mA-500mA-0 mA
600mA-600mA-0 mA
95mV
0mA-30mA/600V
-
0mA-50mA/20V
30mA/600V-0mA-30mA/600V
2.5 mA 0 mA-2, 5 mA
-
105mV
60mV
68mV
0A-1A
0A-2A
0A-3A
0A-5A
0A-10A
1A-0A-1A
2A-0A-2A
3A-0A-3A
5A-0A-5A
10A-0A-10A
95mV
Direct
0A-15A
0A-20A
0A-30A
0A-50A
0A-75A
0A-100A
0A-150A
0A-200A
0A-300A
0A-500A
0A-750A
0A-1000A
0A-1500A
0A-2000A
0A-4000A
0A-6000A
-
15A-0A-15A
20A-0A-20A
30A-0A-30A
50A-0A-50A
75A-0A-75A
100A-100A-0s
150A-150A-0s
200A-200A-0s
300A-300A-0s
500A-500A-0s
750A-750A-0s
1000A-0A-1000A
1500A-0A-1500A
2000A-0A-2000A
4000A-0A-4000A
6000A-0A-6000A
200A-750A-0s
75mV
With interchangeable fixed shunt accuracy class 0.5 and calibrated wire
 
The range of measurements in
Current full deflection, mA, max
Way to incorporate
with the zero mark on the edge of the range
from ground level within the range
0V-2V
0V-3V
0V-7, 5V
0V-10V
0V-15V
0V-20V
0V-25V
0V-30V
0V-50V
0V-75V
0V-100V
0V-150V
0V-250V
0V-300V
0V-400V
0V-500V
0V-600V
2B-0B-2B
3B-0B-3B
7.5 V-0 V-7, 5V
10V-0V-10V
15V-0V-15V
20V-0V-20V
25V-0V-25V
30V-0V-30V
50V-0V-50V
75V-0V-75V
100V-0V-100V
150V-150V-0V
250V-0V-250V
300V-0V-300V
400V-0V-400V
500V-500V-0V
600V-600V-0V
1.1 mA
Direct
0V-0, 075V/9V
0V-2, 5V/10V
0V-3V/100V
0V-3V/300V
0V-10V/300V
0V-30V/300V
0.075 V/9V-0V-0, 075V/9V
2.5 V/10V-0V-2, 5V/10V
3V/100V-0V-3V/100V
3V/300V-0V-3V/300V
10V/300V-0V-10V/300V
30V/300V-0V-30V/300V
1.1 mA
Direct channel
0V-1000V
0V-1500V
0V-3000V
1000 V-0V-1000V
1500V-1500V-0V
3000V-3000V-0V
5mA
With additional resistance at rated current 5mA
0V-150V/1500V
0V-15V/150V/1500V
-
-
With additional resistance at rated current 5mA and R = 300 ohms
 
Limit of acceptable basic reduced error M42303 devices ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter is:
     - ± 2,5% - for instruments of accuracy class 2.5;
     - ± 4,0% - for instruments of accuracy class 4.0;
without taking into account the errors of external shunts and some additional resistances;
    Normalizing values ​​when setting the above errors are assumed to be:
     - The upper limit of range - for units M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter with zero mark on the edge of range;
     - Sum of modules of the upper limits of range - for units with ground level within the measurement range;
Limit of acceptable variations in the readings of ammeters M42303, M42303 voltmeters, milliammeter M42303, M42303 kiloampermetry, kilovoltmeters M42303 is polutorakratnomu value limit of acceptable basic reduced error;
    Deviation of the index from zero the scale after the filing of the instrument for 30 seconds measuring value corresponding to the upper limit of range does not exceed the values:
     - For 2.5 accuracy class - 0.6 mm;
     - For 4.0 accuracy class - 1.0 mm;
Change the readings of ammeter M42303, M42303 voltmeter, milliammeter M42303, M42303 kiloampermetr, kilovoltmeter M42303 caused by changing the position of equipment from its normal position in any direction to 5 °, does not exceed the allowable values ​​substantive error.Change the testimony must be expressed in the form of reduced error;
    Changing indications caused by the influence of external homogeneous constant magnetic field with induction 0.5 mT at the most unfavorable direction of the magnetic field does not exceed ± 1,5%;
    Deviation from index position of rest after a sudden application of excitation, which causes changes in the final readings for 2 / 3 the length scale does not exceed ± 1,5% of scale length at the end of 4c;
Transfer pointer devices M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter not exceed 20% of the length of the scale;
    Isolation between the body and insulated from the housing electrical circuits can withstand for 1 minute action of the test voltage AC, 50 Hz ± 1 Hz, rms value of which corresponds to:
     - Under normal conditions of use - 2.0 kV;
     - High humidity in the working conditions of - 1.2 kV;
Devices M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter for inclusion in the network with a voltage of over 650V must be mounted on insulators in places inaccessible to the touch and should be labeled;
    Test voltage insulators match that specified in Table 2.
 
    Table 2: Test voltage insulators
 
Test voltage insulators, kV, used with the devices on the upper limits of ranges, in
Relative humidity at 20 º C ± 5 ° C
1000kV
1500kV
3000kV
3B
1.8
5B
3.2V
7B
5B
30% -80%
95
 
Insulation resistance between the hull and isolated DC voltage circuit devices M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter not less than:
    a) 20 MW - with an ambient temperature of +20 º C ± 5 ° C and relative humidity from 30% to 80% at an operating voltage up to 1kV, plus 20 MW for each extra complete or incomplete 1000V working voltage;
    b) 5 MW - with an ambient temperature of +60 ° C and a relative humidity of 80% at an operating voltage up to 1kV, plus 0.5 MW for each complete or incomplete 1000V working voltage;
    a) 2 MW - at ambient temperature +20 º C ± 5 ° C and relative humidity of 95% at an operating voltage up to 1kV, plus 0.5 MW for each complete or incomplete 1000V working voltage;
    Devices can withstand without damage to short-term congestion according to table 3.
 
    Table 3
Degree
tion unit
The multiplicity of current, the corresponding upper value of range
Multiplicity of stress, the corresponding upper value of range
The number of re-
gruzok
Duration
NOSTA overload, with
The interval between two overweight,
kami, with
Ammeters (except 3A, 5A, 10A), milli-and micro-ammeters ammeters
 
 
10
10
 
 
-
-
 
 
9
1
 
 
0.5
5c
 
 
60s
-
Ammeters 3A, 5A, 10A
10
10.3.
-
-
9
1
0.5
5c
60s
-
Voltmeters
-
-
2
2
9
1
0.5
5c
60s
-
 
* In consultation with the consumer.
 
Change the readings of ammeter M42303, voltmeter M42303, milliammeter M42303, kiloampermetr M42303, kilovoltmeter M42303 caused by a deviation of ambient temperature from the normal 20 º C ± 5 ° C to any temperature from -50 º C to +60 ° C per 10 ° C change temperature does not exceed 0.5 the limit of acceptable basic error;
    Changing indications caused by the deviation of relative humidity from the normal 30% -80% at 20 º C ± 5 ° C to 95% at +35 ° C does not exceed the limit of acceptable basic error;
    Devices retain their characteristics after exposure to vibration with acceleration and frequencies listed in Table 4.
 
Table 4: Impact on Devices M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter vibration acceleration and frequency
 
Device Type
Acceleration, m / s 2
Frequency, Hz
Dwell time at each frequency, min
M42303
 
5m / s 2
10m / s 2
15m / s 2
20m / s 2
20m / s 2
25m / s 2
30m / s 2
30m / s 2
10Hz
20Hz
30Hz
40Hz
45Hz
50Hz
60Hz
70Hz
7 minutes
7 minutes
7 minutes
7 minutes
8 minutes
8 minutes
8 minutes
8 minutes
 
    Devices manufactured for nuclear power plants (NPP), can withstand seismic effects, equivalent effects of vibrations with the parameters given in tablitse5;
 
    Table 5
Frequency, Hz
5Hz
6Gts
8Gts
12Gts
Acceleration, m / s 2
Direc-
vlenie
Horizontal
The experimental
11m / s 2
15m / s 2
15m / s 2
15m / s 2
vertical
7.7 m / s 2
10.5 m / s2
10.5 m / s2
10.5 m / s2
Frequency, Hz
26Gts
28Gts
30Hz
32Gts
Acceleration, m / s 2
Direction
tion
Horizontal
5.0 m / s 2
3.7 m / s 2
1.8 m / s 2
1.8 m / s 2
Vertical-
flax
3.5 m / s 2
2.6 m / s 2
1.3 m / s 2
1.3 m / s 2
 
Frequency, Hz
16Gts
18Gts
20Hz
22Gts
24Hz
Acceleration, m / s 2
Direc-
vlenie
Horizontal
The experimental
15m / s 2
13.2 m / s2
11.2 m / s2
9.4 m / s 2
7.5 m / s 2
Vertical-
flax
10.5 m / s2
9.2 m / s 2
7.8 m / s 2
6.6 m / s 2
5.3 m / s 2
Frequency, Hz
36Gts
40Hz
44Gts
48Gts
50Hz
Acceleration, m / s 2
Direction
tion
Horizontal
1.8 m / s 2
1.8 m / s 2
1.8 m / s 2
1.8 m / s 2
1.8 m / s 2
Vertical-
flax
1.3 m / s 2
1.3 m / s 2
1.3 m / s 2
1.3 m / s 2
1.3 m / s 2
 
M42303 devices ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter in shipping containers can withstand without damage to the transport shaking with an acceleration of 30m / s 2, frequency from 80 to 120 beats per minute for 2 hours;
    Devices manufactured for use in a tropical climate, resistant to mold;
    Full range of adjustment as a proofreader at least 2% of the total length of the scale;
Conditions for a temperate climate for devices M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter:
     - Temperature - -5 ° C to +40 ° C;
     - Relative humidity - 80% at +25 ° C;
Conditions for the tropical climate instruments ammeter M42303, M42303 voltmeter, milliammeter M42303, M42303 kiloampermetr, kilovoltmeter M42303:
     - Temperature - from -50 º C to +60 ° C;
     - Relative humidity - less than 100% at +35 ° C;
    Vibration devices M42303 ammeters, voltmeters, M42303, M42303 milliammeter, kiloampermetry M42303, M42303 kilovoltmeters:
- Acceleration - 5m / s 2 ... 30m / s 2;
     - Frequency - 10Hz ... 70Hz;
Shock resistance: acceleration 100 m / s 2, frequency 10 ... 50 beats per minute;
M42303 devices ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter are nonrecoverable, single-channel, single-function products;
 
    Parts Included:
    Standard delivery set:
     - Unit - 1 piece;
     - Nuts and washers for attaching the device to the panel and connected to an electrical circuit;
     - Wire-calibrated, if the device is designed to work interchangeably with a shunt stationary (at customer's request) - 1 Pair;
     - Resistance to additional voltmeters (10kV and 15kV except) (to be agreed with the customer) - 1;
     - External shunt interchangeable (at customer's request) - 1;
     - Passport - 1ekzemplyar;
     - Operating manual for a batch of devices (to be agreed with the customer) - 1 copy;
Note - External shunts and additional resistance to the devicesM42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter available for a fee;
 
    Design and operation of devices:
     - Devices are panel meters magnetoelectric system vnutriramochnym magnet;
- Measuring devices mechanism M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter consists of a magnetic system (mount, magnetic) reading device (scale, index) and the movable part in the cores;
    Devices are manufactured with a uniform scale, with zero mark on the edge of or within the range of measurement, scale length 60 mm;
    Highlighting the scale from an external source of light through the side window covers the device;
    Body parts M42303 devices ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter made of plastic and measuring mechanism to protect from contamination, damage and ingestion of dust and spray devices;
    The principle of operation of appliances based on the interaction of the magnetic field of a permanent magnet with an electric current passing along the winding frame unit;
Set pointer devices M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter zeroed produced by the corrector, which is located on the enclosure;
 
    Placement and installation of:
     - The devices are designed for flush mounting on a vertical or horizontal panels (panels) made from both magnetic and nonmagnetic materials;
     - Installation of devices to be made ​​carefully, without bias.Fastening devices on the panel must be rigid and not create additional loads;
- Devices M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter during installation should be located away from sources of strong magnetic fields with a strength above 0.4 kA / m;
     - Devices intended to be included in a network with a voltage of over 650V, mounted on insulators in a place inaccessible to the touch;
     - Before installing the shield apparatus should be believed;
- Mobile devices M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter to the measured circuit should be done in the proper orientation in accordance with the marking of current-carrying rods;
     - When performing measurements in circuits with instruments and calibration equipment maintenance personnel must comply with the requirements for technical operation and safety in the operation of electrical appliances;
    Manufacturer guarantees that the equipment technical requirements under the terms of use, storage, transportation and installation;
Shelf life - 12 months from the date of manufacture devices M42303 ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter;
    Warranty period - 24 months from the date of entry into service of devices.
    M42303 devices ammeter, voltmeter M42303, M42303 milliammeter, kiloampermetr M42303, M42303 kilovoltmeter compliant, ensuring the safety of life, health, consumer and environmental protection;
To ensure the highest level of service, purchase price M42303 ammeter which will pleasantly surprise you.

Photos M42303

M42303 front view (scale).
M42303 front view (scale).
M42303 side view (casing depth).
M42303 side view (casing depth).
M42303 rear view (connection).
M42303 rear view (connection).


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