what is difference between deep seeker pi and coin detector pi?

mehdi

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	what is difference between deep seeker pi and coin detector pi? « on: October 15, 2011, 07:59:58 am »

Hi
please answer to this question: what is difference between a deep seeker pi and a coin detector pi? and please write which home build pi is suite for big abject at great depth? only name is enough!
thanks in advance

Posted on: October 15, 2011, 07:58:22 AM

and can we change a coin detector pi like surf pi to a deep seeker one? :-

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japanese

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GARY PI

	Re: what is difference between deep seeker pi and coin detector pi? « Reply #1 on: October 15, 2011, 12:27:08 pm »

Hi mehdi

The metal detector is:- There are three types of detectors Depend on Frequency designs include frequency oscillator (BFO), . Induction balance (IB) , transmit-receive (TR) ,and very low frequency (VLF) detectors, two-box detectors that are sometimes referred to (deepseeker).......

Finally, pulse induction (PI) designs two factors:--

1-PULSE FREQUENCY RATE. The number of times the transmitter pulse is repeated every second. The frequency affects the response . power consumption and other factors in the circuit design. Examples are:- Surfmaster 800(p.p.s.) deltapulse 300 p.p.s. pulsestar 170 p.p.s.dp2010 90 p.p.s. Superscan 66 p.p.s.
__________________

2-PULSE WIDTH. The width of transmitter pulse. the pulse width can vary between 50 microseconds (uS) and 1000uS. 50 to 150uS is usually the width for ring and coin . size objects detectors designed for locating larger objects. A PI designed to look use 1000uS. Examples are:- Whites Surfmaster 50uS, delta pulse 100uS, pulsestar 300uS,dp2010 350us, Superscan 1000uS.
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We get the result that their cases from all this:-
For large deep: FREQUENCY RATE must be less than what can be and PULSE WIDTH is the largest .

best time
j.

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mehdi

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	Re: what is difference between deep seeker pi and coin detector pi? « Reply #2 on: October 16, 2011, 02:15:40 am »

thanks a lot for help.
i have another question:
which frequency and pulse width is suite for detecting a metal box( 15*15*6 cm) at maximum depth? specially in delta pulse MD!
thanks in advance

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	Re: what is difference between deep seeker pi and coin detector pi? « Reply #3 on: October 16, 2011, 07:52:18 am »

Any PI machine should be able to find a box like that down quite some ways. What metal is the box?

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mehdi

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	Re: what is difference between deep seeker pi and coin detector pi? « Reply #4 on: October 18, 2011, 12:13:02 am »

Iron box, my mean is for example in delta pulse, it use 100-300 Hz, may be 300 is suite for small object detecting, and 100 Hz is suite for big object detecting, my question is HOW MUCH BIG OR SMALL OBJECT?
thanks in advance

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ram

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	Re: what is difference between deep seeker pi and coin detector pi? « Reply #5 on: October 19, 2011, 02:34:30 am »

	Quote:	Posted by mehdi
Iron box, my mean is for example in delta pulse, it use 100-300 Hz, may be 300 is suite for small object detecting, and 100 Hz is suite for big object detecting, my question is HOW MUCH BIG OR SMALL OBJECT? thanks in advance

the best is to simulate your target object. prepare your pi md and simulate your target for best adjustments.

ram,

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mehdi

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	Re: what is difference between deep seeker pi and coin detector pi? « Reply #6 on: October 19, 2011, 03:16:06 am »

	Quote:	Posted by ram
the best is to simulate your target object. prepare your pi md and simulate your target for best adjustments. ram,

ok ram, thank you
as i know, you have some modify on delta specially on input voltage, i wonder to know if you can put here all of your modify on delta pulse?
if yes Kiss

but if no, so please write here the maximum detection depth of your delta pulse with 1*1 meter coil for 50*50 cm iron sheet?
thanks in advance

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