SINUS Tango Plus - Important Notes; Power Supply

1 GENERAL INFORMATION AND DESIGN
1 General information and design
Tango_Plus is an integrating sound level meter designed according to IEC 61672-1:2003, accuracy class
1 and group Z. It can measure also 1/1 and 1/3 octaves according to IEC 61260. This manual refers to
firmware version 2.12b.
NOTICE! Tango_Plus may perform measurements that require an official verification
of the calibration and that are legally binding.
(type approval applied)
ATTENTION! If Tango_Plus is used for legally binding measurements, only original ac-
cessories shall be used.
For performing legally binding measurements with Tango_Plus only the following accessories are admitted
according to the type approval :
• Tango_Plus (907004.2)
• Calibrator Cal200 1/2” type1 PCB (800934.4)
• Calibrator Type 4231 B&K (800043.2)
• Windscreen W2 (800253.0)
Using Tango_Plus the following sound level values may be measured: L
AF
, L
AFmax
, L
AFmin
, L
CF
, L
CFmax
, L
CFmin
, L
AS
,
L
ASmax
, L
ASmin
, L
Cpeak
, L
Aeq
, L
Ceq
, L
Ceq
-L
Aeq
, L
AE
, L
AFT
, L
AFTeq
, L
AFTeq
-L
Aeq
, L
Cpeak>n
und L
AFn
. A detailed description of
these values is given in table 1.1.
NOTICE! The number of the firmware version can be displayed (section 2.2.2).
1.1 Important notes
When measuring with the device, please consider the following notes:
• Use the device as described in this manual only.
• Despite of its robust design, protect the device from any unnecessary bumps and vibrations as well
as humidity and dirt.
• Do not touch or moisten the sensitive microphone membrane during work.
• Pay attention to the permissible temperatures for using the device.
• Always switch off the device after using.
• Do not expose the device to excess temperature as for example in a car with direct sunlight.
• If necessary, clean the device carefully without using solvents.
• Do not disassemble the device. Do not try to repair the device in case of malfuntion. Such manipulation
will always cause the loss of warranty and major damages. Make a note of the occuring errors and
send us the device for repair.
Manual Tango_Plus 6 of 30 SINUS Messtechnik GmbH