Furuno ETR-30N manual Appendix NEW BLT Transducers, AP-1, Transducer, thru-hull pipe and tank list

APPENDIX NEW BLT TRANSDUCERS

A new type BLT transducer (Bolt-clamp Langevin Transducer) has been developed for this echo sounder. The BLT transducer has large bandwidth, good sound efficiency, compact structure and is reinforced for protection against slamming.

Transducer, thru-hull pipe and tank list

Frequency	Transducer	Hull	Tank	Fasten inside	Fasten outside
(kHz)		Material	(Code No.)	hull (Code No.)	hull (Code No.)
28/200	28BL-6HR/200B-8B	Steel	T-693	TWB-6000 (2)	TFB-7000 (2)
			(000-015-044)	(000-015-207)	(000-015-209)
		FRP	T-693F	TRB-1100 (2)	-
			(000-015-241)	(000-015-219)
38/200	38BL-9HR/200B-8B	Steel	T-693	TWB-6000 (2)	TFB-7000 (2)
			(000-015-044)	(000-015-207)	(000-015-209)
		FRP	T-693F	TRB-1100 (2)	-
			(000-015-241)	(000-015-219)
50/200	50BL-12HR/200B-8B	Steel	T-693	TWB-6000 (2)	TFB-7000 (2)
			(000-015-044)	(000-015-207)	(000-015-209)
		FRP	T-693F	TRB-1100 (2)	-
			(000-015-241)	(000-015-219)
28/38	28BL-12HR/38BL-15HR	Steel	T-681	TWB-6000 (2)	TFB-7000 (2)
			(000-015-849)	(000-015-207)	(000-015-209)
		FRP	T-681F	TRB-1100 (2)	-
			(000-015-850)	(000-015-219)
28/50	28BL-12HR/50BL-24HR	Steel	T-681	TWB-6000 (2)	TFB-7000 (2)
			(000-015-849)	(000-015-207)	(000-015-209)
		FRP	T-681F	TRB-1100 (2)	-
			(000-015-850)	(000-015-219)
38/50	38BL-15HR/50BL-24HR	Steel	T-681	TWB-6000 (2)	TFB-7000 (2)
			(000-015-849)	(000-015-207)	(000-015-209)
		FRP	T-681F	TRB-1100 (2)	-
			(000-015-850)	(000-015-219)
28/88	28BL-12HR/88F-126H	Steel	T-682	TWB-6000 (2)	TFB-7000 (2)
			(000-015-851)	(000-015-207)	(000-015-209)
		FRP	T-682F	TRB-1100 (2)	-
			(000-015-852)	(000-015-219)
38/88	38BL-15HR/88F-126H	Steel	T-682	TWB-6000 (2)	TFB-7000 (2)
			(000-015-851)	(000-015-207)	(000-015-209)
		FRP	T-682F	TRB-1100 (2)	-
			(000-015-852)	(000-015-219)

AP-1