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DVM894
V. 01 21/01/2015 104 ©Velleman nv
corrente DC
Amplitude
resolução
Precisão
2 mA
1 µA
± (0.8 % da leitura + 1 dígito)
20 mA
10 µA
200 mA
0.1 mA
± (1.5 % da leitura + 1 dígito)
10 A
10 mA
± (2.0 % da leitura + 5 dígitos)
Proteção contra sobrecarga: categorias
o mA fusível reinicializável F1, 400 mA/600 V (acção rápida).
o categoria 10 A: F2, fusível 10 A/600 V (acção rápida).
Corrente entrada máx.:
o tomada mA (nível mA): 200 mA.
o nível 10 A: 10 A
corrente AC
Amplitude
resolução
Precisão
20 mA
10 µA
± (1.0 % da leitura + 5 dígitos)
200 mA
0.1 mA
± (1.8 % da leitura + 5 dígitos)
10 A
10 mA
± (3.0 % da leitura + 7 dígitos)
Protecção contra sobrecarga:
o nível mA ranges: fusível reinicializável F1, 400 mA/600 V (acção rápida).
o nível 10 A: F2, fusível 10 A/600 V (acção rápida).
Corrente de entrada máx.:
o entrada mA (nível mA): 200 mA.
o nível 10 A: 10 A.
Frequência de resposta: 40-400 Hz.
Resposta: média (RMS da onda senoidal).
Resistência
Amplitude
resolução
Precisão
200
0.1
± (0.8 % da leitura + 3 dígitos)
2 kΩ
1
± (0.8 % da leitura + 2 dígitos)
20 kΩ
10
200 kΩ
100
2 MΩ
1 kΩ
20 MΩ
10 kΩ
± (1.0 % da leitura + 2 dígitos)
200 MΩ
100 kΩ
± (6.0 % da leitura + 10 dígitos)
Proteção contra sobrecarga: 250 V AC/DC.
Tensão do circuito aberto: DC 2.8 V.
Díodo
Amplitude
resolução
Função
1 mV
tensão direta aproximada do diodo
104


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