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Fluke 789

thread698-439387

Fluke 789

Fluke 789

(OP)
Hi guys

I have a Fluke 789 I have recently brought second hand that simulates 0-20mA instead of 4-20. Is there a fault in the meter or can you change it back to 4-20??. Have not seen it before.
Also note that the source function does not work.

Cheers
Dave
Replies continue below

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RE: Fluke 789

Why would you need anything other than 0-20mA?? It's a simulator! Set it for the mA you need to test the device that you're testing. To a 4-20mA device the values between 0 and 4.00mA are valid they're just "under-range" and often need to be checked to to make sure evil things don't occur when a sub 4mA signal is presented.

As for the source function not working.. I'd make double sure you've pressed all the right buttons and that the battery isn't low.

Keith Cress
kcress - http://www.flaminsystems.com

RE: Fluke 789

When you say it's not working is it stuck on zero?
Check the mA fuse, they are very easy to blow and expensive.

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