Metrix MX 430B Notice De Fonctionnement page 32

3.3.4 V AC Function 3.3.4 V AC Function 3.3.4 V AC Function
3.3.4 V AC Function 3.3.4 V AC Function
Leads plugged into :
- COM and mA V / kW / W (5 to 500 V ranges)
- COM and 1500 V sockets (1500 V range)
Ranges Ranges Ranges Ranges Ranges
5 V
15 V
50 V
150 V
500 V
1500 V
Nota Nota : If the pointer does not deflect check 10 A fuse Nota
Nota Nota
Decibelmeter Decibelmeter
Decibelmeter Decibelmeter : Decibelmeter
Compare V2 > V1
V2
Gain = dB V2 reading - dB V1 reading
V1
Not workable in the first third of the scale and in 1500 V AC range
Direct dB reading - 10 to + 16 dB (5 V AC range)
(0 dB = 0.775 V
Add + 10 dB
+ 20 dB
+ 30 dB
+ 40 dB
30
Selector Selector Selector Selector Selector
position position
position position position
5 V AC
15 V AC
50 V AC
150 V AC
500 V AC
500 V AC
1 mW / 600 W )
i f
i f
i f
i f
Scale Scale Scale Scale Scale
5 red
150 black
50 black
150 black
50 black
150 black
15 V AC range
50 V AC range
150 V AC range
500 V AC range
MX 430B
Unit/Factor Unit/Factor Unit/Factor Unit/Factor Unit/Factor
V x 1
V : 10
V x 1
V x 1
V x 10
V x 10