Sound and Vibration Instrument Hire and Calibration

Norsonic 335 Specifications

Nor 335   Microphone Power Supply - 8 channels with signal conditioning	£ 19 a day *

Inputs : 8
Input Connectors : Lemo 1B 7-pin preamplifier type
Preamplifier Supply : 28 VDC
Polarisation Voltages : 0 or 200 VDC, set by internal jumper
Overload Detector : Instantaneous or latched, according to BS EN 60651
Gain : 0 to + 40 dB in 10 dB steps, independent for each channel
Gain error : < 0.2 dB
Measuring Range : 20-140 dB when calibrated for 50 mV/Pa sensitivity microphones
Frequency Weightings : A, C or Flat
Flat Frequency Response : 3 Hz - 20 kHz, ± 0.5 dB
High Pass Filter : 20 Hz - selectable, 18 dB/oct.
Channel Separation : > 70 dB, 3 Hz - 20 kHz
Self Noise : < 10 dBA, < 20 dB Flat, measured with Nor 1201 and mic. equivalent and more than 20 dB gain
Outputs : BNC
Output Impedance : < 10 Ω for f < 20 kHz
Operating Range : -10 to +50 ° C
Batteries : 6 x Lr14, C Cells - 14 hours, with LED indicator
Current : 125 mA @ 12 VDC
Dimensions : 315 x 175 x 332 [mm]
Weight : 2.4 kg
E&OE - specifications subject to change without notice.
* Our standard hire charges are based on a 4-day minimum period, details other options.