Author Topic: Fluke 8808A audible tone in diode test  (Read 353 times)

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Offline pasikTopic starter

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Fluke 8808A audible tone in diode test
« on: February 14, 2024, 07:37:03 pm »
Hi, I have bought this meter and after some tests with diode test I'm a little disappointment or maybe I do something wrong. In the manual there is described that diode test is with audible tone. I have some other fluke multimeter on which diode test use continue beep if probes are shorted, or there is only one beep if forward voltage is couple of hundrets milivolts. In this bench multimeter there is no any beep in diode test, only in continuity test (only after probes are short) but like I mention before manual descibes that both modes have audible tone.

So can somebody tell me how it is with this fluke 8808a ?
 

Offline bdunham7

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Re: Fluke 8808A audible tone in diode test
« Reply #1 on: February 14, 2024, 07:56:54 pm »
My 8808A does not make any noises in the diode test function and has a continuous tone in continuity mode when the resistance is less than 20 ohms.  This is as described in the manual p. 3-15, but I do see that in the specifications section it lists the diode function as having an audible tone.  Unfortunately that appears to be incorrect.  On the bright side, it does respond very quickly--the 100 samples per second looks right.
A 3.5 digit 4.5 digit 5 digit 5.5 digit 6.5 digit 7.5 digit DMM is good enough for most people.
 

Offline pasikTopic starter

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Re: Fluke 8808A audible tone in diode test
« Reply #2 on: February 14, 2024, 08:07:38 pm »
So it's a shame because this audible tone in other fluke dmm in diode test is very convinient for fast junctions tests without a need to looking at the display
 

Offline bdunham7

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Re: Fluke 8808A audible tone in diode test
« Reply #3 on: February 14, 2024, 08:43:47 pm »
So it's a shame because this audible tone in other fluke dmm in diode test is very convinient for fast junctions tests without a need to looking at the display

It would be nice touch and I wouldn't think there would have been any incremental cost.  The other (now discontinued) Fluke bench meters, the 8845A and 8846A, have half the feature.  They have the short beep for the good junction, but nothing for a short.  I've no idea why.
A 3.5 digit 4.5 digit 5 digit 5.5 digit 6.5 digit 7.5 digit DMM is good enough for most people.
 


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