Chapter 1 — Introduction
About Calibration
2238 Mediator Integrating Sound Level Meter
Service Manual
BI5043–13
7
JJ2614
1
/
2
² Microphone Adaptor (with 4.7nF capacitor) to B&K coaxial
plug
JP0144 Adaptor, B&K coaxial plug to BNC
JP0169 Short circuit for WA0302
WA0302 Microphone Simulator with 13pF capacitor
WZ0065 Set of 3 special tools for complete dismantling
Power Supply with variable voltage (3 - 15VDC)
Digital Voltmeter
Optional Equipment:
Decade Attenuator or equivalent
Printer for test of Serial Interface
PC with software “2238 Mediator Software”, Order Number VP7767
1.14 About Calibration
Complete automatic calibration is available on 9600 SLM Calibration system for 2238
SLM parts and on ATAC for the Filter Set Type ZT0328.
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