Fisher CZ21-8 Underwater Metal Detector

Fisher CZ21-8 Underwater Metal Detector
5.0 out of 5 stars
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What to look for in Fisher CZ21-8 Underwater Metal Detector?


Saltwater or fresh water - submersible up to 250 feet - dual frequency fourier domain signal analysis. Touch-button., vco no motion, precise pinpointing - easy manual ground balance - high performance in mineralized soil. All-metal auto-tune mode - large target alert faint target audio boost. 3-Tone Audio Target ID - Removable Control Housing for Belt Mount - 8 and 10 Coil Options - Operating Frequency 5 and 15 kHz. Recommended for beach hunting, shallow water, lake surf, diving

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Is this what you need when you buy Fisher CZ21-8 Underwater Metal Detector?


The CZ-21 is housed in the most rugged enclosure and has a collapsible pole assembly. A short pole assembly is desired when diving, but full extension is preferred when standing or wading. The CZ-21 is submersible to 250 feet. The control housing can be easily removed for hipmounting or it can be chest-mounted with an optional chest harness. The CZ-21 has a reputation for being the best saltwater metal detector ever made but can be used in freshwater. The CZ-21 is a multi-frequency metal detector that has adjustable discrimination, is easy to use and designed to handle the toughest mineral concentrations on any salt or fresh water beach. The CZ-21 also has Audio Tone Target-ID, a highly sought-after feature that allows users to distinguish iron targets from gold.The CZ-21 delivers Features Dual Frequency Fourier Domain Signal AnalysisOne touch Pinpoint V.C.O. non-motion Manual Ground BalanceAll Metal Auto-Tune ModeDiscrimination Mode with 3-tone Audio Target-IDLarge target alert audio, faint target audio boostAdjustable Sensitivity, Discrimination and VolumeBattery Test ModeFully Collapsible Pole AssemblySubmersible to 250 feet 76 m Removable control housingUses four 9V Alkaline batteries8 20 cm Concentric Round Open Searchcoil5 kHz and 15 kHz Operating FrequenciesWeight 5.3 lbs. 2.4 kg 2 Year Warranty

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Customer reviews

Donald R. Reynolds: Simple no frills saltwater detector

Simple no frills metal detector that is tuned for saltwater. I currently have two detectors I use, a third one ACE 350 I gave to my son to use. Since I bought this CZ-21, I have really enjoyed beach hunting My other machine is a Garrett AT Pro that I bought with gift cards from my sister for my birthday. The AT Pro is decent for the beach and I can t knock it too much. After all, I found my first gold ring with it. But, the CZ 21 outshines it at every aspect. This detector is a Dual frequency VLF machine, thus it runs really stable in saltwater. My AT Pro is a chatty thing in the water. Yes, those who are obsessed with the AT Pro tweak it to quiet it down, but that reduces the depth as the AT Pro is a single frequency VLF machine. I have found a gold, silver and tungsten ring with my Fisher CZ 21. I have also recovered over 20 fishing sinkers as well. For those who hunt the surf seriously, you know you have to hit sinkers to find the gold. The CZ 21 is waterproof to 250 feet and is used by divers. The only downside to the Fisher is that the coil is hard wired, along with the headphones. There is no swapping out coils without sending the unit back to Fisher. For me, it is not a big deal at all. I like my 8 inch coil as is. The unit itself is pretty hefty, but I chest mount mine. That way, I am swinging the coil only It is light weight and I can swing it for hours without feeling tired.

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