Heath-consultants Aqua-Scop Manual do Utilizador descarregar pdf (Página 10)

The push button “LISTEN” control switch should only be depressed

after the ground microphone has been rmly placed on a solid surface

and one to two seconds Sensor Settle Time elapsed. When using the

direct contact microphone, be certain that the tip is in rm contact with

the pipe, valve box, etc., before depressing the “LISTEN” control

switch.

B. Ground Microphone (Part No. 2916427)

(Figure 4)

1. General Specications:

Construction: Acoustically suspended variable

reluctance sensor

Impedance: 380 Ohm DC resistance

Frequency

Response: 10 - 300 Hertz

Weight: Approximately 2 Lbs. 5 Oz.

(1049 grams)

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Heath-consultants Aqua-Scop Manual do Utilizador Página 10