4
TECHNICAL SPECIFICATIONS
4
Technical specifications
Property
Value
Software
Tango-Utilities
Number of channels
1
Accuracy
Class 1 according to IEC 61672-1:2014
Display of measured values
Colour TFT 320 x 240
Display refresh rate
500 ms
Frequency weighting
A, C (simultaneously), no optional frequency weightings
Time weighting
Fast, Slow, Peak (simultaneously), Impulse
Data storage
Yes
Self-generated noise
≤
14 dB(A),
≤
16 dB(C)
Max. Sound Pressure Level
see table 4.3
Linearity range
25. . . 140 dB(A) (at 1 kHz)
Nominal measuring range for L
Cpeak
37. . . 143 dB(C)
Max. electr. measuring range
±
2 V
Max. input voltage at
the input of the feeding device
±
2,5 V
U
max
at input
±
2,5 V
Integration response
immediate
Time weighting F
Rise or decay time constant = 0.125 s
Time weighting S
Rise or decay time constant = 1 s
Time weighting Peak
Rise time constant = 20
µ
s
Time weighting Impulse
Rise time constant = 0.035 s, decay time constant = 1.5 s
Shortest integration time
16 ms
Longest integration time
194 days (100 h running on rechargeables)
Interfaces
USB-C, serial printer port, 3.5mm stereo jack
Stabilizing time after switch-on
1 min
Warm-up time
1 min
Calibration frequency
1 kHz
Max. time of day drift
max. 1.73 s in 24 h
Battery
2 x LR6/AA, 40 operation hours
External power supply
via USB (see accessories)
Dimensions
266 mm x 76 mm x 38 mm
Weight
320 g (batteries inserted)
Reference conditions
Reference direction
Handheld: 0
◦
, Outdoor: 90
◦
Reference sound pressure level
94 dB
Reference frequency
1 kHz
Reference measuring range
25. . . 140 dB(A)
Reference air temperature
23
◦
C
Reference air pressure
101.325 kPa
Reference relative humidity
50 %
Table 4.1: Technical data Tango_Plus
Manual Tango_Plus
42 of 47
SINUS Messtechnik GmbH
