Information For Type Approval; Configuration As Classical Handheld Level Meter; Frequency Response Of Tango_Plus - Configuration Slm - SINUS Tango Plus Manual

3 Information for type approval

Tango_Plus can be used in different configurations, first as a classic handheld level meter with direct inci-
dence and second as part of the Outdoor Kit with sound incidence from the sides. All configurations are
designed according to IEC 61672-1:2014, accuracy class 1 and immunity to interference group Z and accor-
ding to IEC 61260:2003 for 1/1 and 1/3 octaves. Additionally there is a configuration under electric test for
type approval.
NOTICE!
Using Tango_Plus the following sound level values may be measured: L
L , L , L , L , L
AImax AS ASmax ASmin
detailed description of these values is given in table 1.1 in section 1.6.
In addition, linear averaged 1/3 octaves and full octaves can be measured with frequency weightings A, C
and Z.
NOTICE!
3.1 Configuration as classical handheld level meter
As classical handheld level meter Tango_Plus is used with attached or detached microphone (via Micro-
extension cable) and windscreen W2. Under "Settings > Device > Options > Microphone Connection" select
"'Direct Connection"' or "'Cable Connection"' accordingly. For both configurations the frequency response
is nearly equal and within the tolerance. The direction of sound incidence is 0 referring to the microphone
axis. The following parts are permitted for the use of Tango_Plus under mandatory verification according to
type approval :
Tango_Plus (907004.2)
Micro extension cable 3m (907308)
Calibrator Cal200 1/2" type1 PCB (800934.4)
Calibrator Type 4231 (B&K) (800043.2)
Windscreen W2 (800253.0)
The Windscreen W2 is black coloured and spherically with a diameter of 69 mm.
3.1.1 Frequency response of Tango_Plus - Configuration SLM
2
0
2
4
100
SINUS Messtechnik GmbH
The configuration is set on the device under:
Menu > Device > Options > Microphone Connection.
, L , L , L -L , L
Cpeak Aeq Ceq Ceq Aeq
The number of the firmware version can be displayed (section 2.2.1).
TangoPlus SLM
, L , L , L -L , L
AE AFT AFTeq AFTeq Aeq
Tolerance
1k
/ Hz
25 of 47
, L , L , L , L
AF AFmax AFmin CF CFmax
, L -L , L and L
AIeq AIeq Aeq Cpeak>
10k
Manual Tango_Plus
, L ,
CFmin
. A
AF