ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals

>> Home   >> Electrical-Photos   >> Classifieds   >> Subscribe to Newsletter   >> Store  
 

Photo of the Week:

100 Year old Lightbulb
100 Year old Bulb

Advertisement:-Left
Recent Gallery Topics:
What in Tarnation?
What in Tarnation?
by timmp, September 10
Plumber meets Electrician
Plumber meets Electrician
by timmp, September 10
Who's Online Now
0 members (), 163 guests, and 24 robots.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
Joined: Nov 2007
Posts: 15
R
ricker Offline OP
Member
Hello, the aggregate plant I work at uses a great deal of siemens-milltronics control equipment for silo level indicators. They also use this brand for their belt scales. I recently replaced one of these belt scales with a Beltweigh system, which has worked flawlessly since its installation, whereas the siemens lasted about 3 days. Unfortunately, Beltweigh doesn't deal in level indicators, so I would like to know if anyone can recommend another brand of level indicator to replace the siemens. In addition to their products being unreliable, they offer very poor customer service. Thanks.

Horizontal Ad
Joined: Feb 2004
Posts: 1,438
Member
We use pressure, level, temp, and pressure diff instruments from Rosemount


Trouble Free for the most part

Joined: Mar 2001
Posts: 2,056
R
Member
I used Rosemount for 20+ years with very few, if any problems at all.
Are you talking about solids? I also used Weightronix and Fairbanks load cell systems for weight-based measurements.

Last edited by Redsy; 02/11/08 09:17 PM.
Joined: Nov 2005
Posts: 827
Likes: 1
J
Member
My main problem with Milltronics has been that the Tefzel surface of the ST-H transducers delaminate from the filler. Energy gets eaten up in reflections on both Tx & Rx. The units I deal with have a parameter 83 which displays dB/uV. A delaminated surface will usually cause a level >60dB, to drop to the teens or 20s. You can press against the hard surface and feel a little give when this happens. I couldn't tell you the number of these that we have replaced at around $500/unit. Finally, I started scoring the surface along the outer edge and peeling off the Tefzel. The filler within has a little give to it but exhibits good dielectric resistance the piezo within is still protected.

You really need the programmer to deal with these units. The signal thresholds for short and long pulses can be changed as the transducer reaches end of life.

The only other problem I have had is a failure of a very small Belling-Lee (English) fuse on the main board. I could only find one US supplier in Florida and they had prohibitive minimum order quantities.

Joe


Link Copied to Clipboard
Advertisement:-Right


Tools for Electricians
Tools for Electricians
 

* * * * * * *
2023 National Electrical Code (NEC)
2023 NEC + Exam Prep Study Guides Now Available!
 

Member Spotlight
electure
electure
Fullerton, CA USA
Posts: 4,295
Joined: December 2000
Top Posters(30 Days)
Popular Topics(Views)
340,808 Are you busy
266,179 Re: Forum
247,119 Need opinion
New Page 2
Powered by UBB.threads™ PHP Forum Software 7.7.5