MODEL 235 & 240S
Both models are designed to mount on the underside of trolling motors. Model 240S is the smaller of the two for wide angle elements. They can also be used for thru-the-hull sounding when cemented to the inside of the hull.
Options:
 | Temperature sensor. |
Weight:
| Model 235 - .9 lbs. |
| Model 240S - .6 lbs. |
Specifications:
|
FREQUENCY (kHz) |
BEAM WIDTH (degrees @ -3db) |
ELEMENT SIZE (inches) |
ELEMENT SIZE (millimeters) |
CAPACITANCE (pf) NOTE (1) |
IMPEDANCE (ohms) NOTE (2) |
TRANSMIT RESPONSE (db) NOTE (3) |
RECEIVE RESPONSE (-db) NOTE (4) |
POWER RATING, RMS (watts) |
REMARKS |
| 200 | 18 | 1.1 | 28 | 965 | 550 | 157 | -189 | 300 | |
| 200 | 12 | 1.45 | 37 | 1265 | 480 | 161 | -182 | 300 | |
| 200 | 11 | 1.7 | 43 | 1900 | 300 | 163 | -185 | 600 | Dual frequency, 200 & 50 kHz |
| 200 | 9 | 2.0 | 50 | 2185 | 385 | 165 | -186 | 600 | |
| 160 | 20 | 1.1 | 28 | 885 | 750 | 158 | -189 | 300 | |
| 160 | 11 | 2.0 | 50 | 1750 | 550 | 164 | -183 | 600 | |
| 120 | 38 | 1.0 | 25 | 1050 | 500 | 167 | -181 | 300 | |
| 120 | 14 | 2.0 | 50 | 1725 | 320 | 164 | -171 | 600 | |
| 75 | 29 | 1.7 | 43 | 4200 | 200 | 160 | -184 | 600 | |
| 50 | 45 | 1.7 | 43 | 1600 | 440 | 156 | -173 | 600 | Dual frequency, 200 & 50 kHz |
| 50 | 43 | 2.0 | 50 | 4550 | 265 | 173 | -184 | 600 |
NOTES: (1) with standard length cable. (2) equivalent series R in water. (3) the source level generated by one watt input. (4) the open circuit RMS voltage generated by a pressure of one microbar.
