Name: CRT-440P Hydrophone
Brand: Cetacean Research Technology (CetResTec, LLC)

WORLD-CLASS UNDERWATER SOUND EQUIPMENT SINCE 1994

EMAIL: CRTINFO@CETRESTEC.COM

PHONE & WhatsApp: +1-330-419-2520

Key Features:

Included Items	Starter	Complete	Advanced
CRT-440P Hydrophone	✓	✓	✓
Zoom F3 recorder	✓	✓	✓
Splashproof bluetooth speaker		✓	✓
Bluetooth transmitter		✓	✓
3.5 mm stereo patch cable		✓	✓
USB data cable		✓	✓
Safety wrist strap cord		✓	✓
Waterproof hardshell carrying case		✓	✓
12v USB charger adapter		✓	✓
16 GB microSD memory card		✓	✓
Power supply signal box		✓	✓
SpectraDAQ-200 real time data acquisition system			✓
Spectraplus-SC spectral analysis software			✓

Specifications
Linear Frequency Range (±3dB) [kHz]	0.02 – 345
Useable Frequency Range (+3/-12dB) [kHz]	0.006 – 441
Transducer Sensitivity [dB, re 1V/μPa]	-215 (before preamplification) -185 (after standard preamplification)
SPL Equiv. Noise [dB, re 1μPa/√Hz]	63 @ 0.1 kHz 50 @ 1.0 kHz 48 @ 10 kHz 47 @ 50 kHz
Power Requirement [Vdc]	48V Phantom Power or 6V to 36V external supply
Maximum Operating Depth [m]	990
Operating Temperature Range [°C]	-40 to 85
Impedence [Mohm]	greater than 100
Dimensions [mm]	99 x 26.5
Integral Connector	MCIL3M or IP67 rated XLR connector
Directionality	Omni. all frequencies
Wiring Assignments	WMPin 1/ XLR 2/ Red wire = voltage WMPin 2/ XLR 1/ Black/drain = ground WMPin 3/ XLR 3/ White wire = signal

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