MICROPHONE2 Series 103A, Installation | Dynamic Distributors 103B11

OPERATION MANUAL FOR

MICROPHONE2 Series 103A

The result is a two-wire system, precluding the need for multi-conductor cabling.

A second diaphragm, located behind the pressure diaphragm and attached to another bimorph bender crystal acting in opposition to the pressure crystal, provides acceleration compensation to the Series 103A Sensors.

3.0INSTALLATION

As shown in installation drawing 103-1010-90, the Series 103A Microphones may be properly mounted in several ways, the exact method chosen being a function of the space available along with other use dictated parameters.

The simplest method of mounting, and also the one that utilizes the least volume, is the adhesive method. The microphone is simply bonded directly to the mounting surface with an (at least) .10” diameter hole through the surface to feed the pressure signal to the diaphragm.

Many different types of adhesives may be used to bond the 103A in this manner. The important point being to apply the adhesive very sparingly so that removal does not damage the sensor.

The 103A may also be mounted using the Model 061A04 Servo clamps if space is available.

The Model 060A11 Clamp Nut may only be used with the top connector Models 103A02 and 103A12 since the radial wire leads of the Model 103A and 103A11 would interfere with the clamp nut. The installation drawing gives detailed instructions on preparation of the port for this type of installation.

3.1ELECTRICAL

For the Models 103A and 103A11 (pigtail models), connect the center conductor from the “Xducer” output of any ICP® power unit to the white (Pwr/Sig) lead and connect the outer shell of the “Xducer” connector to the black (ground) lead. The black lead is electrically connected to the outer case. (See figure below.)

Drawing Number: 21082

Revision: NR

VIEW FROM

DIAPHRAGM

END

WHITE

READOUT

BLUE (N.C.)

BLACK

XDUCER SCOPE

SERIES 480

BATTERY SIGNAL CONDITIONER

Models 103A & All: Electrical Connection

NOTE: No electrical connection is made to the blue (vent) lead. This lead serves to vent internal pressure within the sensor when the 103A and 103A11 are used in evacuated chambers. The internal pressure bleeds out slowly around the wires of this lead. This lead may be cut off flush with body if the sensor will never be used in this manner.

To make the electrical connection to the Models 103A02 and 103A12 (top connector models), simply connect the “Xducer” output of the power unit to the 10-32 coaxial connector using a PCB Model 002C Series coaxial cable.

The output signal is taken from the power unit connector labeled “Scope” or “Output”. (See figure below.)

002A CABLE
		SCOPE
	1
XDUCER	2	TO
	3	READOUT
	3
	4
MODEL 103A02 & A12	MODEL 482A04
	POWER UNIT

Models 103A02 & A12: Electrical Connection