Amprobe ECB50A Manuel de l'utilisateur - Page 10

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Next, try to locate the transmitted signal at the bundle of

cables. When you receive a signal, reduce the sensitivity

until the minimum reception of the signal is heard and

seen. If necessary, increase the sensitivity somewhat to

confirm the signal.

Product Maintenance

As long as the instructions in this manual are followed, no

special maintenance is required.

Cleaning

Disconnect the instrument from all circuits. To clean the

transmitter/receiver, use a soft cloth moistened with water. To

avoid damage to the plastic components do not use benzene,

alcohol, acetone, ether, paint thinner, lacquer thinner, ketone

or other solvents to clean the transmitter/receiver. Allow a

recovery time of 6 hours after cleaning before operating the

instrument.

Replacing the Battery

A red LED indicates that the battery needs to be replaced. To

replace the battery:

Turn off the instrument using the On/Off switch

Loosen the screw on the back of the instrument and open

the case.

Remove the battery and insert the new 9 V alkaline

battery using the correct polarity. Recycle your discharged

battery.

Reassemble the case.

Insert the screw and tighten it.

Specifications

Humidity: Valid for 23 °C ± 5°, for less than 80% relative

humidity)

Transmitter

Voltage range: 00 V to 25 V for ECB50A; 00 V to 250 V for

ECB50A-E and ECB50A-FGIS

Power consumption: approximately W

Frequency range: 30 to 70 Hz for ECB50A; 50 to 60 Hz for

ECB50A-E, ECB50A-FGIS

Transmission frequency: approximately 8 kHz

Transmitter frequency: approximately 0 Hz

See Figure -4-