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

M145

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Ammeter M145, voltmeter, M145, M145 kiloampermetr (M-145, M 145, m145, m-145, m 145)

For measuring the current and the DC voltage in networks of marine power plants.
Dimensions 85h85h95mm.
Accuracy class 2.5.
Resistant to shaking, vibration, shock resistant.
Ammeter M145, voltmeter, M145, M145 kiloampermetr designed to measure current and voltage direct current network of marine power plants.
Response time less than 3s. Residual deviation pointer device from zero scale for smooth traverse a pointer to that point from the outermost point of it is less than 1mm. Limit of permissible variation readings equal to the limit of permissible basic error.
Measurement range ammeters M145 0 - 0.5 A, 0 - 1 A, 0 - 2A, 0 - 5 A, 0 - 10A, 0 - 20A - with the direct inclusion, 0 - 30A, 0 - 50A, 0 - 75A, 0 - 100A; 0 - 150 A, 0 - 200A, 0 - 300 A, 0 - 500A, 0 - 750A, 0 - 1000 A, 0 - 1500 A-when you turn on the external shunt with 75mV.
Parameters overload ammeter shown in Table. 1, the parameters of voltmeters - Table. 2 (direct inclusion).
Operating position device ammeters M145, voltmeters, M145, M145 kiloampermetry vertical. Changing readings caused deviation of ambient temperature from normal (within the operating temperature range) for every 10 K, does not exceed ± 0,5% of full scale of the measuring range - for voltmeters, ± 1,2% of full scale of the measuring range - for ammeters. Change under the influence of reading external constant homogeneous magnetic field with induction of 0.5 mT is less than ± 0,5% of full scale range. Measuring system M145 magnetoelectric type moving part on cores, hermetic performance. Reliabilities for 4000ch continuous operation without monitoring and maintenance of at least 0.89. In terms of resistance to climatic influences device complies with GOST.
 
Table 1 Parameters overload ammeter M145 and M145 kiloampermetr
Measurement range
Rated current shunt
Measurement range
Rated current shunt
0 - 50 A
30A
0 - 300 A
0 - 500 A
200A
300A
0 - 75, 0 - 100A
50A
0 - 100, 0 - 150 A
75A
0 - 750A, 0 - 1kA
500A
0 - 150, 0 - 200A
100A
0.1 kA, 0 - 1.5 kA
750A
0 - 200 0 - 300 A
150A
0 - 1.5 kA 0 - 2ka
1000A
0 - 2ka, 0 - 3kA
1500A

Table 2 Parameters voltmeters M145
Measurement range
Internal resistance
Measurement range
Internal resistance
0 - 3
1K
0 - 100V
40kOm
0 - 7.5
3kOm
0 - 150V
50kOm
0 - 15
5K
0 - 250
100K
0 - 30
10K
0 - 300V
100K
0 - 50
20K
0 - 400
150kOm
0 - 75
30kOm
0 - 450V
150kOm

Photos: M145

M145 front view (scale).
M145 front view (scale).
M145 side view (casing depth).
M145 side view (casing depth).
M145 rear view (connection).
M145 rear view (connection).


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