Gracey Home Page

Manufacturers' Specifications

Norsonic 1201



Input : ISO specification for 1/2" measurement microphones
Connector Integral Lemo 1B type
Frequency range 1 Hz to 1 MHz ± 0.5 dB
Input impedance 20 GΩ, 0.2 pF
Output impedance 55 Ω @ 1 kHz, Cs : 20 pF
Noise, A-weighted Cs : 20 pF : < 3 µV
Noise, Linear Cs : 20 pF : < 6 µV
Gain, typical - 0.15 dB
Temperature, operating - 40 to + 60 °C
Humidity, operating 0 to 95 %RH
Current consumption 120 V or ± 60 V : 2.5 mA
Current consumption 28 V or ± 15 V : 0.7 mA
Weight 33 grams
Dimensions 12.7 mm (Ø), 77.5 mm long


Upper Frequency vs. Cable Length :
THD < 1% : supply voltage 120 V and assuming 50 mV/Pa sensitivity
SPL10 m20 m50 m100 m
150 dB 8 kHz 5 kHz 2 kHz 1 kHz
140 dB 35 kHz 20 kHz 12 kHz 5 kHz
130 dB> 100 kHz 70 kHz 40 kHz 15 kHz
120 dB> 100 kHz> 100 kHz> 100 kHz 60 kHz
110 dB> 100 kHz> 100 kHz> 100 kHz> 100 kHz

E&OE - specifications subject to change without notice.


Gracey and Associates   01933 624212
BSI approved for the hire of noise and vibration instruments
 Home 
 Search