Updated 21 September 2019
The ParaZapper® UZI-3c is a microprocessor based multi-frequency zapper designed with improved results in consideration. This zapper includes the equivalent or better than all of the most popular zappers in one package at an affordable cost with a constant 10.6 volt ( +/- 0.25 V ) output without the risks associated with using a wall adapter. The output is strong and this unit is intended for those uses that need a stronger output as well as more numerous and more accurate frequencies. It also includes new innovations, such as pedestal offset, that offer significant enhancements over other zappers. One frequency alone does not provide the best overall coverage for multiple types of micro-organisms. Two frequencies can double the chance of hitting a particular organisms resonance, but even this does not provide the best coverage. For that reason, we have selected several Rife (Mode 1 and 4) frequencies along with Hulda Clark Zapper frequencies (mode 2), Don Croft's Terminator Zapper (Mode 3) frequencies, Hulda Clark 2500 Hz walk, and the super ParaZapper® MX mode, Three single frequency modes of 10,000 Hz, 6,000 Hz, and 5,000 Hz, 464 Hz Candida mode, Ultimate Zapper Mode ( actually far better than theirs ), and the 66.67 percent duty cycle mode. There is not any need to shop and compare any more. Get 12 different zappers in one with a total of 47 frequencies.
Why are multi frequencies important?
The basis of the zapper's operation is that it produces a fundemental frequency that produces many harmonics reaching high into the range between 100 kHz to 1000 kHz. A harmonic is a frequency that is twice, three times, four times, or many times the base frequency. The square wave produced by zappers contains all of the odd harmonics ( 3 times, 5 times, 7 times the base frequency, etc., up to the frequency limit of the output device). This is the one real reason that there is not any single "one frequency" that works for everything. There are some better frequencies that appear to be better than others in producing a Clark spectrum but it actually takes over 40 base frequencies to get almost all of the microbes listed in the Clark frequency list. Even then, it should be noted that the Rife frequency list completely disagrees with the Clark frequencies. For this reason, we provide some of both of the Rife and Clark Frequencies to increase the chances of successfully eliminating any microbe that may be causing problems.
What about high duty cycles that some claim are better?
The Duty Cycle is the ratio of the positive pulse of the output waveform to the low side of the waveform. A true square wave is 50 percent positive and 50 percent low. Anything else is actually a rectangular wave. While some sellers claim that having a duty cycle which is higher than 66 percent will produce both odd and even harmonics, this is a misguided interpretation and is completely false except for 1 specific setting. When the duty cycle is exactly 2 to 1, then there will be an exact set of frequencies that includes both the odd and some of the even harmonics but it should be noted that each will only be a part of full strength. Additionally, if the duty cycle is not just right, the frequencies can actually interfere with each other and actually reduce effectiveness. If you buy a unit with a high duty cycle, make sure that it is microprocessor based for accuracy because having the exact frequency and the exact duty cycle makes all the difference. Zappers that use a 555 series chip for timing are not accurate enough to guarantee the right results in each and every unit so it is hit or miss. For your testing purposes, we include both the 90 percent duty cycle ( Mode 10 ) and the 66.6 percent duty cycle ( Mode 11 ) in a high quality unit with microprocessor precision and accuracy. Anyhow, these modes are all in one unit for you to test and compare.
MODE | Frequencies: For more information, refer to the Rife CAFL | Duration |
Mode 1 |
Rife 2.0 - 2.7 kHz range Freq 1 2280 +/- 11 Hz Freq 2 2128 +/- 11 Hz Freq 3 2489 +/- 11 Hz Freq 4 2000 +/- 11 Hz Freq 5 2127 +/- 11 Hz Freq 6 2720 +/- 11 Hz Freq 7 2170 +/- 11 Hz Freq 8 2008 +/- 11 Hz Stop and off 5 seconds, 3 - 1 second pulses and repeat This mode covers a broad range and is general purpose. Note: Use for 7.0 to 28 minutes on, 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. Note: Since each frequency lasts for 7.0 minutes, 7 minutes will only provide the first 2 frequencies. It takes 28 minutes to get all eight frequencies. Note that due to the accuracy of the microprocessor generated signal, most units are within 3 Hz of the specified frequency. |
7.0 min 7.0 min 7.0 min 7.0 min 7.0 min 7.0 min 7.0 min 7.0 min |
Mode 2 |
Clark 30 kHz range provides a range of frequencies Freq 1 30500 +/- 250 Hz Freq 2 30000 +/- 250 Hz Freq 3 31600 +/- 300 Hz Freq 4 33000 +/- 300 Hz Stop and off 5 seconds, 3 - 1 second pulses and repeat Mode 2 will blink the Mode/Battery LED 2 Flashes every 2 seconds Note: Use for 15 or 30 minutes on, 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. Or use for 1 hour continuous. Note that due to the accuracy of the microprocessor generated signal, most units are within 150 Hz of the specified frequency. |
7.0 min 7.0 min 7.0 min 7.0 min |
Mode 3 |
Croft Terminator range Freq 15.2 Hz +/- 0.2 Hz Stop and off 5 seconds, 3 - 1 second pulses and repeat Mode 3 will blink the Mode/Battery LED 3 Flashes every 2 seconds Note: Use for 7 minutes on, 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. Important Note: This is a very low frequency that will feel much stronger than the others if the electrodes come into contact with the body. The signal is actually not any stronger, it just feels stronger due to normal nerve physiology. However, due to this sensitivity, it is strongly advised to keep this frequency away from accidental contact with either the chest area near the heart, or the head area, including the jaws and neck and especially keep it away from the eyes. |
7.0 min |
Mode 4 |
Rife 660-880 Hz range Freq 1 728 +/- 7 Hz Freq 2 787 +/- 8 Hz Freq 3 880 +/- 8 Hz Freq 4 800 +/- 8 Hz Freq 5 727 +/- 7 Hz Freq 6 660 +/- 7 Hz Freq 7 832 +/- 8 Hz Freq 8 780 +/- 8 Hz Stop and off 5 seconds, 3 - 1 second pulses and repeat Rife Broad Range general purpose covers the most important frequencies. Mode 4 will blink the Mode/Battery LED 4 Flashes every 2 seconds Note: Use for 60 minutes on, 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. Or use for 1 hour continuous. Note: Since each frequency lasts for 7.0 minutes, 7 minutes will only provide the first 2 frequencies. It takes 28 minutes to get all eight frequencies. Note that due to the accuracy of the microprocessor generated signal, most units are within 2 to 4 Hz of the specified frequency. |
7.0 min 7.0 min 7.0 min 7.0 min 7.0 min 7.0 min 7.0 min 7.0 min |
Mode 5 |
2.5 kHz Hulda Clark walk Mode Set 1 Freq 1 2500 +/- 10 Hz Most units are +/- 4 Hz Freq 2 2503 +/- 10 Hz Most units are +/- 4 Hz Freq 3 2505 +/- 10 Hz Most units are +/- 4 Hz Freq 4 2508 +/- 10 Hz Most units are +/- 4 Hz Freq 5 2511 +/- 10 Hz Most units are +/- 4 Hz Freq 6 2514 +/- 10 Hz Most units are +/- 4 Hz Freq 7 2496 +/- 10 Hz Most units are +/- 4 Hz Freq 8 2492 +/- 10 Hz Most units are +/- 4 Hz Freq 9 2489 +/- 10 Hz Most units are +/- 4 Hz Freq 10 2486 +/- 10 Hz Most units are +/- 4 Hz Repeats cycle Mode 5 will blink the Mode/Battery LED 1 long flash and 1 quick flash every 2 seconds You may use this for 70 minutes on, 1 time daily, but, using it for 70 minutes, repeat 3 times should produce better results. Note: Use for 7.0 to 70 minutes on, 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. Note: Since each frequency lasts for 7.0 minutes, 7 minutes will only provide the first frequency. 14 minutes will provide 2 frequencies It takes 70 minutes to get all 10 frequencies. Note that due to the accuracy of the microprocessor generated signal, most units are within 4 Hz of the specified frequency but the guaranteed accuracy is +/- 11 Hz. |
7.0 min 7.0 min 7.0 min 7.0 min 7.0 min 7.0 min 7.0 min 7.0 min 7.0 min 7.0 min |
Mode 6 |
MX Mode Set 1 MX mode has 8 special frequencies between 2000 Hz and 2500 Hz. Provides Broad range coverage. Repeats sequence Mode 6 will blink the Mode/Battery LED 1 long flash every and 2 quick flashes 2 seconds You may use this for 60 minutes on, 1 time daily, but, using it for 60 minutes, repeat 3 times should produce better results. Note: Use for 30 minutes or 60 minutes on ( 7.5 minutes for each frequency ), 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. Note: Since each frequency lasts for 7.5 minutes, 7.5 minutes will only provide the first frequency. 30 minutes provides 4 frequencies. It takes 60 minutes to get all eight frequencies. Note that due to the accuracy of the microprocessor generated signal, |
7.5 min |
Mode 7 |
10,000 Hz Freq 10000 Hz +/- 50 Hz Stop and off 5 seconds, 3 - 1 second pulses and repeat Mode 7 will blink the Mode/Battery LED 2 Long Flashes every 2 seconds Note: Use for 1 hour continuous or 7 minutes on, 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. |
7.0 min |
Mode 8 |
5000 Hz Freq 5000 Hz +/- 25 Hz Stop and off 5 seconds, 3 - 1 second pulses and repeat Mode 8 will blink the Mode/Battery LED 2 Long Flashes every 2 seconds Note: Use for 1 hour continuous or 7 minutes on, 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. |
7.0 min |
Mode 9 |
6000 Hz Freq 6000 Hz +/- 30 Hz Mode 9 will blink the Mode/Battery LED 2 Long Flashes every 2 seconds Note: Use for 1 hour continuous or 7 minutes on, 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. |
7.0 min |
Mode 10 |
464 Hz Candida Frequency Freq 1 464 Hz +/- 1.5 Hz Most units are +/- 0.5 Hz Freq 2 464.5 Hz +/- 1.5 Hz Most units are +/- 0.5 Hz Freq 3 465 Hz +/- 1.5 Hz Most units are +/- 0.5 Hz Mode 10 will blink the Mode/Battery LED 1 Long Flashes, 1 quick flash, and another long flash every 2 seconds Note: Preferred use for 1 hour and 5 minutes continuous, can be used 7.5 minutes on, 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. |
7.5 min 7.5 min 7.5 min |
Mode 11 |
Better than and Beyond the Ultimate Zapper Mode Freq 2020 Hz +/- 0.6 percent at 90 percent duty cycle Stop and off 5 seconds, 3 - 1 second pulses and repeat Mode 11 will blink the Mode/Battery LED 1 Long Flash every 2 seconds In Mode 11, the Status LED will appear to be more green than red because of the high duty cycle. Note: Continuous use for 1 Hr 5 minutes (65 min ). Or use for 7.5 minutes on, 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. |
7.5 min |
Mode 12 |
66.6 percent duty cycle Mode Freq 2020 Hz +/- 0.6 percent at 66.67 percent duty cycle high, 33.33 percent low Stop and off 5 seconds, 3 - 1 second pulses and repeat Mode 12 will blink the Mode/Battery LED 1 quick Flash every second Note: Continuous use for 1 Hr 5 minutes (65 min ). Or use for 7.5 minutes on, 15-20 minutes off, repeat 3 times. Repeating 4 times will improve effectiveness. |
7.5 min |
Note: The frequencies in this unit are far more accurate than the frequencies in Rife units that select the frequency using a dial, unless a digital readout is used. |
While the unit has two automatic timing modes and recycling for each frequency range, it does feature an automatic shutdown so that it can be used for continuous zapping with an automatic rest phase or it can be used for repetitive cycles with a 10 second pause between each. Power to the unit is supplied by a standard 9-volt battery and is controlled by a push-on / push-off switch. Frequency and mode selection are by momentary contact push button switch. To change modes, simply press the mode switch. The battery and mode LED's will both come on at the same time. Release the switch and the next mode will start. To change to the next mode, simply press the [Mode] switch again.
To use the Automatic Cycle mode where the unit times the frequencies, inserts a 20 minute rest phase, and then repeats the same frequency selection again, press and hold the Mode button while turning the unit on. The Battery/Mode LED will show continuous RED. Release the button and the unit will start in mode one. To change to the next mode, press the Mode button again and the next frequency mode will start.
3 Selections below |
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One ParaZapper® UZI-3b with copper paddles and pads, 2 rechargeable batteries and fast charger, for $359.00 US plus S+H. |
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One ParaZapper® UZI-3b with copper paddles and pads for $339.00 US plus S+H. |
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One ParaZapper® UZI-3b with copper paddles for $299.00 US plus S+H. |
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Notice: On advice of counsel, here as well as elsewhere, sites are required to inform you that the statements and claims on this site have not been evaluated by the FDA ( Food and Drug Administration ) and are not intended to diagnose, treat, cure or prevent any disease -- not for use on humans or with pets. These easy to use battery powered devices are not offered or intended for human use and are not to diagnose or prescribe for medical or psychological conditions nor to claim to prevent, treat, mitigate or cure any conditions, nor to recommend specific products as treatment of disease or to provide diagnosis, care, treatment or rehabilitation of individuals, or apply medical, mental health or human development principles. The devices discussed herein have not undergone evaluation and/or testing by the United States FDA ( Food and Drug Administration ) or like agency of any other country. Risks which might be determined by such testing are unknown. The information on this site is not a substitute for medical or veterinary advice.
Additional Notice: These zappers are sold only for the experimental use of killing microbes in water. Any other usage is considered to be off-label and such usage is at the discretion of the user. They are not a Medical device and are not represented as such.
Hulda Clark ParaZapper sales
5537 Balboa Ct.
Pinson, AL 35126 USA
Please e-mail us at: email1 sales at huldaclarkparazapper.com
or email2 sales at paradevices.com
We are having telephone problems. The calls often go to voice mail too quickly and we are having a problem getting the messages.
Also, the quarantine for coronavirus has left us with no one to answer the telephone Please contact us by e-mail
Phone: 205-856-3909
866-765-5116
Phone Hours: 9:30 AM to 3:00 PM Central Time
Please Note that we do not sell by telephone but are happy to talk to you. Email is much better as: If inquiring about an order, please include the order number / Invoice Number that should start with HCPZ ( do not add HCPZ to a number The HCPZ is part of the correct number ), The transaction number is different and not in our system.
EFAX = NO, we do not accept E-faxes due to possible risks.