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Operação Básica
Medindo a Potência Óptica
Importante: quando o medidor de potência é ligado pela primeira
vez, ele se auto-calibra em uma condição “sem luz”, que é ne-
cessário para medições precisas. A CAPA ANTI-POEIRA DEVE
PERMANECER NA PORTA DO MEDIDOR NA PRIMEIRA VEZ
EM QUE É LIGADO.
1. Com a capa anti-poeira acoplada ao medidor
de potência, pressione o botão liga/desliga. O
medidor exibirá “null”, indicando que está pron-
to para efetuar medições e não está receben-
do potência no momento. Pressione o botão
de comprimento de onda ‘λ para alternar para
o comprimento de onda desejado.
2. Remova a capa anti-poeira e conecte o
medidor a um cabo para começar a efetuar
medições. O modo padrão de medição é dBm,
e pode ser alterado para µW mantendo-se o
botão ‘λ pressionado por 2 segundos. Além
de usar uma fonte de luz em separado, o
medidor de potência pode medir a
saída de qualquer dispositivo óptico
(conversor de mídia, switch e outros)
desde que seu comprimento de onda
esteja dentro de uma das janelas de
operação do medidor de potência
(33-927).
dBm
nm
dBm
nm
-
74


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