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EISTAR Digital Logic Probe DTL/TTL Circuit Tester Pen (DC 18V Max)

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EISTAR Digital Logic Probe DTL/TTL Circuit Tester Pen (DC 18V Max) EISTAR Digital Logic Probe DTL/TTL Circuit Tester Pen (DC 18V Max)

EISTAR Digital Logic Probe DTL/TTL Circuit Tester Pen (DC 18V Max) EISTAR Digital Logic Probe DTL/TTL Circuit Tester Pen (DC 18V Max)

EISTAR Digital Logic Probe DTL/TTL Circuit Tester Pen (DC 18V Max)

Price: $9.18
SKU: 35818
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Description

- Connect RED clip to + terminal and BLACK clip to - terminal of the power source of the circuit under test. the supply voltage should not exceed 18v DC.
- For TTL and DTL,set the upper select switch to the side marked "TTL".  for COMS, set the  upper select switch to the side marked "CMOS". contact the probe pin to the point to be tested, the LED's will indicate its logic states:
A: ALL LEDs OFF  ---- HIGH IMPEDANCE
B: RED LED ON  ------HIGH STATE [ 1 ] |
C: GREEN LED ON --- LOW STATE [0 ]
D: ORANGE LED ON  -- PULSE
- For detecting and storing pulse or level transition set lower select switch to side marked " PULSE"  first. contact the probe pin to the point to be tested. the LED's will indicate its basic state.then set the lower select  switch to side marked " MEM", the  orange LED will light when any pulse or level tansition is detected. teh pulse direction, in comparison with teh original basic state, can be determined.after use,reset logic probe by setting the lower select switch back to the side marked " PULSE".

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Reviews
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  Very good Logic tester pen CMOS/TTL from GOODLUCKBUY
Posted by misser moh on 01/29/2013, 02:06
Involvement:General (knows how to use it) - Ownership:1 week to 1 month
Price: *****
Ease of Use: *****
Build Quality: *****
Usefulness: *****
Overall Rating: *****
Pros:Good package.
Good product and handheld tester.
Easy to use.
combined TTL/CMOS logic probe by manual swith CMOS/TTL.
Detect pulse: from 50 ns plus ( when we switch to MEM ).
Good quality/price.
Very good for hobbies as for professionals in electronic and testing.
Protection is acceptable: overload voltage is +- 50 VDC
Cons:This tester cannot be used in high voltage more than 100 V
( However it has an overload protection of 115VAC for 15seconds ).
Other Thoughts:I recommend this product.
I recommend to buy from Goodluckbuy.
Bottomline:Good price and good product: buy it from Goodluckbuy !

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