CESVA SC-30, User Manual, Page: 47 / 76

SC-30
User’s Manual
45
5.18 Battery & External supply
Battery
One 6LF22-type 9-volt battery
Battery life with continuous use:
Sound Level Meter
Spectrum Analyser
The typical battery life with the display lighted can be
reduced a 50% respect the values above
8 hours
6 hours
External Supply
Voltage input range
9 -12 V DC
Minimum supply current 100 mA
For DC supply use the A-200 model mains feeder
5.19 Dimensions and weight
Dimensions: 341 x 82 x 19 mm
Weight: With battery 627 g
Without 573 g
5.20 Preamplifier connector
The preamplifier is connected to the SC-30 by means of LEMO-type connectors: a
socket LEMO connector in the sound level meter and a male plug LEMO-type
connector in the preamplifier. The pin out of the connectors is the following (exterior
view):
1 Not connected
2 Signal ground
3 200 V polarisation voltage
4 Signal
5 + 28 V
6 + 28 V
7 Power ground
SOCKET
SC-30
MALE PLUG
Preamplifier
1 6
2 7 5
3
4
6 1
2 7 5
3 4