Products > Test Equipment
New ANENG Q1 9999 Counts ?
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maginnovision:

--- Quote from: HKJ on June 04, 2018, 08:32:23 am ---
--- Quote from: maginnovision on June 04, 2018, 08:15:40 am ---My AN870 eats batteries whether it is off or on and to use it I typically have to replace them. It's in my "Maybe I should just throw it out?" pile.

--- End quote ---

You obvious have a faulty meter or use faulty batteries. The meter do not use current when the range switch is on off and uses less than 2mA in on (Backlight adds about 7mA).

--- End quote ---

The batteries are fine considering every single thing I put them in works normally. As to a bad meter, that's more or less the point. I bought 2. One was pretty much DOA and the second eats batteries. Considering the one I sent back apparently disappeared in the mail on its way and I still like to see what they manage but I'll probably stick to real quality meters.
crazyguy:

--- Quote from: Fungus on June 04, 2018, 12:38:15 pm ---
--- Quote from: stj on June 04, 2018, 10:18:28 am ---and does the led circuit use a boost convertor or a resistor?

--- End quote ---

I'm guessing it has to be a boost converter.

The fancy screen depends on those white LEDs and battery life will be awful if it can't keep going down to 2V.

--- End quote ---

When you see a cheap multimeter with NCV function, almost you can assume it is based on Taiwan Hycon chipset, with bar-graph function, most likely it is Hycon two chipset DMM solution.
sleemanj:

--- Quote from: crazyguy on June 04, 2018, 05:24:06 pm ---When you see a cheap multimeter with NCV function, almost you can assume it is based on Taiwan Hycon chipset, with bar-graph function, most likely it is Hycon two chipset DMM solution.

--- End quote ---

I'd put money on it being a DTM0660L or variant there of (eg DM1106EN)
all_repair:

--- Quote from: crazyguy on June 04, 2018, 05:24:06 pm ---
--- Quote from: Fungus on June 04, 2018, 12:38:15 pm ---
--- Quote from: stj on June 04, 2018, 10:18:28 am ---and does the led circuit use a boost convertor or a resistor?

--- End quote ---

I'm guessing it has to be a boost converter.

The fancy screen depends on those white LEDs and battery life will be awful if it can't keep going down to 2V.

--- End quote ---

When you see a cheap multimeter with NCV function, almost you can assume it is based on Taiwan Hycon chipset, with bar-graph function, most likely it is Hycon two chipset DMM solution.

--- End quote ---
My experience buying from drop shipper (bangood included) is no good.  My guess is they are selling QC failed items.
ZT-303 is another interesting meter.
crazyguy:

--- Quote from: sleemanj on June 04, 2018, 09:56:19 pm ---
--- Quote from: crazyguy on June 04, 2018, 05:24:06 pm ---When you see a cheap multimeter with NCV function, almost you can assume it is based on Taiwan Hycon chipset, with bar-graph function, most likely it is Hycon two chipset DMM solution.

--- End quote ---

I'd put money on it being a DTM0660L or variant there of (eg DM1106EN)

--- End quote ---

DTM0660L is Hycon HY12P66 chipset

take a look HYELEC MS8236 DMM (similar to Q1), it is using DTA0660L (HY12P6x series) + HY11P14


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