Electrical measuring instruments >> analog panel meters >> panel with round scale devices for harsh environments >> size 85х85mm

D142

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Wattmeter D142, D142 kilovattmetr (D 142, D-142)
 
Wattmeter D142, D142 kilovattmetr designed to measure active power in three-phase circuits of 50Hz and 400Hz-500Hz with a uniform load phases.
Dimensions - 85h85h92 5mm.
Accuracy class - 2.5.
Tryaskoprochny, vibration, shock-resistant.
 
Technical characteristics of the devices wattmeters D142, D142 kilovattmetry:
 
Designed to measure active power in three-phase circuits of 50Hz and 400Hz-500Hz with a uniform load phases.
The device wattmeter D142, D142 kilovattmetr used at an ambient temperature of -40 º C to +60 ° C and relative humidity of 98% (at 60 ° C).
Measurement range, the nominal data and the method of inclusion in the wattmeter circuit presented in Table 1.
The main error of the instrument wattmeter D142, D142 kilovattmetr - ≤ ± 2,5%.
Settling time - ≤ 3 seconds.
The angle of the instrument scale wattmeter D142, D142 kilovattmetr - 90 º.
Scale length - 55mm.
The change of reading wattmeter D142, D142 kilovattmetr caused the deviation of temperature (within the operating temperature) from normal, does not exceed ± 0,5% for every 10 degrees;
- Due to the influence of external magnetic field strength of 400 A / m - not more than ± 2,5%;
- Due to the slope of devices on 45 ° - no more than ± 1%;
- Installation of devices to a ferromagnetic shield - no more than ± 0,5%.
Consumed by the device wattmeter D142, D142 kilovattmetr power circuits:
- Sequential circuits - ≤ 2x0, 5V ∙ A;
- Parallel circuit:
- At a voltage of 127V - ≤ 1,2 W;
- At a voltage of 220 V - ≤ 2W;
- At a voltage of 380 V - ≤ 3,5 Tues
Overall dimensions wattmeter D142, D142 kilovattmetr - 85h85h92 5mm.
Unit weight - 0.6 kg.
The measuring system devices - ferrodinamicheskaya.
Devices wattmeter D142, D142 kilovattmetr made ​​in hermetic enclosures for flush mounting.
 
Rated frequency in Hz
Rated current, A
 
 
Measurement range, kW at rated voltage (linear), in
Switching on the appliance
127V
220
380
 
50Hz and 400Hz-500Hz
5A
10A
20A
30A
50A
75A
100A
150 A
200A
300A
400A
600A
750A
1000 A
1500 A
2000A
3000A
4000A
5000A
6000A
1kW
2kW
4kW
6kW
10kW
15kW
20kW
30kW
40kW
60kW
80kW
120kW
150kW
200kW
300kW
400kW
600kVt
800kVt
1000kVt
1200kVt
2kW
4kW
8kW
12kW
20kW
30kW
40kW
60kW
80kW
120kW
150kW
250kW
300kW
400kW
600kVt
800kVt
1200kVt
1500 kW
2000kW
2500kVt
3kW
6kW
12kW
20kW
30kW
50kW
60kW
100kW
120kW
200kW
250kW
400kW
500kVt
600kVt
1000kVt
1200kVt
2000kW
2500kVt
3000kVt
4000kVt
With a current transformer secondary winding to 5A.
An optional wattmeters at 50 Hz can be produced with current transformer with a secondary winding on the 5A and with the intermediate-type transformer with ratio I1820 5 / 1
400Hz-500Hz
30A
50A
75A
100A
150 A
200A
6kW
10kW
15kW
20kW
30kW
40kW
12kW
20kW
30kW
40kW
60kW
80kW
20kW
30kW
50kW
60kW
100kW
120kW  
With the current transformer with a secondary winding on the type 1A I1820

Photos D142

D142 front view (scale).
D142 front view (scale).
D142 overhead view.
D142 overhead view.


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