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All feedback (45)
- annalisa_accessories (161434)- Feedback left by buyer.More than a year agoVerified purchasePaiement rapide, très bonne communication. Parfait !
- excellbay (613082)- Feedback left by buyer.More than a year agoVerified purchaseDanke für die angenehme/problemlose Transaktion. Ausgezeichneter Käufer. Note 1
- csyztera99 (5663)- Feedback left by buyer.More than a year agoVerified purchaseThanks for your good feedback very much. Wewill give some discount if need more.
- baefabi (3691)- Feedback left by buyer.More than a year agoVerified purchaseThank you for your purchase!
- ai_smart (70746)- Feedback left by buyer.More than a year agoVerified purchaseHope to deal with you again. Thank you.
- hamsupply (2674)- Feedback left by buyer.More than a year agoVerified purchaseHope to deal with you again. Thank you.
Reviews (3)
Sep 03, 2019
Quality product
I shot for 14 days underwater, pushing all the buttons under water every day as I normally do while shooting. However, this was happening 10-15 meters underwater. I constantly monitored the flood sensor. Not once did it show any indication of humidity. I followed all the manufacturer's instructions for use.I was very careful not to get into the sand or hair of the lid seals. In the evening, I washed the box of fresh water, dried it, then opened the lid and removed the camera. I made great photos and videos.
Mar 10, 2022
The frequency meter works
Very useful device. A wonderful addition to the GRID-DIP METER.And not only to him. It can also be used as a control device to a radio station, to check and compare the transmission of transmitting antennas. To download the radiation patterns. when and at what frequency the phone broadcasts. Attention! The antenna with which it is sold is around 450-500mhz frequency and is mismatched to the input. If a suitable matched antenna is placed for a certain frequency range, very good results will be obtained.I measured the input impedance using an antenna bridge and grid-dip meter and read 100 ohm input impedance, not as declared 50 ohms. Moreover, the input periodically turns on and off, and when off the impedance is over 500 ohms.Some people write that the frequency meter has a low input sensitivity, but this is not the case because the frequency meter does not have a preamplifier, and it does not need it because of the very wide input frequency band. he needs more, then he needs to put a selector and a preamplifier. So he will use it in a narrow frequency range. Example: a good radio has an input sensitivity of 5-10μV which is about 1000 times more than 9mV. So this frequency counter is very good , bearing in mind the money that will be given to him.
Jun 18, 2018
what I found out
When I got it, it did not work. Not the little ring, nor the big one. But I'm a technician and I saw where the problem is. I removed the problem and it all works.