Measurement Of Frequency; General Characteristics; Power Supply - Chauvin Arnoux F11N Manual De Funcionamiento

11. FREQUENCY MEASUREMENTS
NB : This function is only available on the F13N.
Warning : under no circumstances may the two ty-
pes of input (voltage and current) be connected at
the same time.
Frequency measurements on the voltage input
Check that the clamp is not clamped around a cable.
Set the switch to the Hz function.
Connect the red lead to the + terminal and the black one
to COM then connect up to the element to be measured.
Memorise the measurement, if necessary, by pressing
one of the HOLD keys.
Frequency measurements on the current input
Check that the leads are disconnected.
Set the switch to the Hz function.
Place the clamp around the cable.
If necessary, record the measurement by pressing one of
the HOLD keys.

12. GENERAL CHARACTERISTICS

12.1 Power supply

1 standard 9 V alkaline battery (type CEI 6LF22 ou NEDA
1604).
Service life : F11N : 180 hours without buzzer.
Typical consumption :
Low battery indication :
12.2 Buzzer
Continuous beep for the continuity sound test.
Typical sound level: 70 dB(A) at 10 cm.
F13N : 100 hours without buzzer.
F11N : 2.5 mA without buzzer.
F13N : 3.5 mA without buzzer.
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is displayed.