48 www.seektech.com Ridge Tool Company Elyria, Ohio U.S.A
SeekTech SR-60
Displayed
Option
Company
Available
Frequencies
Model
Exact
frequency (Hz)
Notes
RIDGID (Old)
Ridge Tool Co.
512Hz
8kHz
33kHz
51kHz
200kHz
512
8192
32768
51712
200000
200k changed to
93khz in European
model of the ST-
510.
RIDGID (New)
Ridge Tool Co.
128 Hz
1 kHz
8 kHz
33 kHz
93 kHz
262 kHz
128
1024
8192
32768
93623
262144
262k, changed to
93khz in European
model of the ST-
510.
RIDGID-B
(New)
Ridge Tool Co.
128 Hz
1 kHz
8 kHz
33 kHz
93 kHz
128
1024
8192
32768
93696
Older 93 kHz value
Ryco
RYCOM
815Hz
82kHz
8876
815
82318
SeekTech-B
128 Hz
1kHz
8kHz
33kHz
93kHz*
262kHz
128
1024
8192
32768
93696
262144
Older 93 kHz value
Schon
Schonstedt
Instrument
Company
575Hz TraceMaster 575
Ssurf
SubSurface
8kHz
27kHz
PL-2000
8055
26721
Made by FUJI
TECOM.
SubS
SUBSITE ®
ELECTRONICS
Ditch Witch ®
1kHz
8kHz
29kHz
80kHz
950
1170
8009
29430
80429
Telex
577Hz 577