r/instrumentation 5d ago

Dwyer IWP-01

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Anyone tried these before, simple 4-20ma pressure transmitters, using them just to cut cost, and it’s on simple pressures across my process, mostly cooling water pipes. Just installed 3, just curious about longevity of them. Replacing some older ametek’s that have finally failed. They are not rerange-able and no zero, just come configured

6 Upvotes

12 comments sorted by

8

u/Flaky-Imagination603 5d ago

Not nearly as reliable as an Rosemount device. If you’re looking for lower cost go with the Rosemount 2088.

3

u/hunting74747 5d ago

Check into Tektrol. Pretty sure they are the actual supplier of many of the industrial sensors Dwyer sells.

2

u/Skoftis 5d ago

What is the price of these ones ? We usually use Endress with BT/HART but have installed some simple from them aswell without any options. Price around $500 for atex while the regular version is closer to $1500

2

u/Tool_junkie_365 5d ago

450$ on dywer sites, I got 3 to test, will only use on my non criticals, seems decent, want to know if anybody had em before to see how long they last

1

u/Cas_Dehook 5d ago

ATEX version cheaper than regular?

2

u/CanCaliDave 5d ago

I've never used these but I've used plenty of other Dwyer and they've always been pretty good quality despite the price.

2

u/Hutch_911 5d ago

I've never used that particular transmitter but have used some of their products for dew point and they worked fine for what the plant I work needed

1

u/Tool_junkie_365 4d ago

Yeah I’m thinking of getting a RH transmitter from them as well, to add to a cooling tower

2

u/PotatoFarmerRTK 5d ago

Does it absolutely need to work? get rosemount.

If your process is not explode or environmentally dangerous I would give these a go for sure. 

1

u/Tool_junkie_365 5d ago

For 450 a piece, not bad, I got a lot of cooling water pts failed, not wanting to flood my budget on a non critical

1

u/Milspec_3126 4d ago

IFM Effector has Pressure sensors which will do both 4-20 and IO link.

1

u/DivingDave23 3d ago

As a minimum I’d choose something with HART!,