SINUS Tango Plus - Microphone with Capsule MK255

4.1 Microphone with capsule MK255
According to IEC 61672-1:2014 Tango_Plus has been tested under the following conditions:
Property value
Frequency range (Free field frequency response) 20 Hz bis 20 kHz
Level range section 3.6.1
Restriction of linear level range due to mechanical vibration section 3.4.1
Temperature range -10
◦
C bis 50
◦
C
Static air pressure 65 kPa bis 108 kPa
Relative humidity 25 % bis 80 %
Electrostatic discharge section 3.3.2
High frequency fields section 3.3.4
Mechanical vibration section 3.4.1
Apply signal via equivalent capacitance K65 (Microtech Gefell)
Table 4.2: Test conditions for Tango_Plus
4.1 Microphone with capsule MK255
Only the original microphone capsule MK255 by MICROTECH GEFELL is approved for measurements with
Tango_Plus. Data specific for configuration can be found in the sections 3.1 and 3.2. The acoustic center
point and microphone reference point are located at the middle of the microphone membrane.
Property Value
Model Transducer type Capacitive pressure transducer
Polarization backelectret
Frequency range free-field 3.5 Hz . . . 20 kHz (±2 dB)
Sensitivity ca. 50 mV/Pa
Max. SPL for 3 % , distortion at 1 kHz 146 dB
Self-generated noise with preamplifier 15 dBA
Capacitance 17 pF
Operating temperature range -50 . . . +100
◦
C
Ambient temperature coefficient leq0.01 dB/
◦
C
Ambient pressure coefficient -0.01 dB/kPa
Diameter 1/2”
with protection lid 13,2 ± 0,02 mm
without protection lid 12,7 ± 0,02 mm
Length 16,4 mm
Weight 7,5 g
Thread for preamplifier 11,7 mm 60 UNS
Thread for protection 12,7 mm 60 UNS
Table 4.3: Technical data MK255
SINUS Messtechnik GmbH 43 of 47 Manual Tango_Plus