Graham Field 14423-4, 14423-2, 14423-8 user manual =Ad+B+C

Overall Sensitivity (2 MHz Probe)

Diameter	Vn	Vn			Overall
of	(r.m.s.)	(r.m.s.)			Sensitivity
Target	mV	mV		dB	(S=A(d)+B+C)
Reflector					dB
(mm)
1.58	186	94	5.93		109.2
A=45.7dB
	175	90	5.78		107.8
@2 MHz
	174	89	5.82		107.9
	173	90	5.68		100.9

2.38	178	89	6.02	110.0
A=43.2dB
	170	90	5.52	107.1
@2 MHz
	165	85	5.76	105.3
	160	85	5.49	100.2

Doppler	Velocity of Target 12.5
Frequency	(cm/s)
(Hz)

14423-INS-LAB-RevD11 41