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MODEL 302 & 307A longer version of Model 301 to allow use of two separate elements for dual frequency service, such as 50 & 200 kHz. The housing material is cast bronze. Options:
Model 307:
Weight:6 lbs. Specifications:
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. |