Chemical seals and fills are often necessary to protect your process instrumentation from harm. But the wait for a custom gauge-and-seal, switch-and-seal, or transmitter-and-seal combination could be an issue, keeping your process offline for longer than necessary, or costing a premium for quick delivery.
We’ve removed the potential for downtime and rush charges with our WIKA-certified assembly station, and improved stock of most popular transmitters, switches, gauges, diaphragm seals, and fill fluids. Lesman customers can experience next-day delivery on custom assemblies from in-stock instrumentation.
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Written by: Dan Weise
In the past decade or so, there’s been a trend towards putting a Quick Start Guide in the product box, probably in response to some bureaucratic requirement for a piece of paper in an era when manuals, references and user guides are generally pdfs on-line or on CD.
I’m the guy who reads that documentation, so I’ve seen the good, the bad and the ugly. Most Quick Starts are so scant, they offer very limited value. But, I’ve just read one that rates fabulous in a world of paper documents that rarely warrant anything but a yawn.
What a delightful surprise to open up a Precision Digital PD 6000 process indicator box and find their new Quick Start Guide. A quick flip through the 12 pages revealed it was exactly what I believe a Quick Start should be (and what most aren’t).
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People have asked me about setting fault alarms in level transmitter analog signals at 2mA or 3mA levels. What they typically don’t understand is that a two-wire transmitter uses the electrical current below 3.6 mA for its own power and operation. So, a 2.0 mA or 3.0 mA fault indication just isn’t possible. At these low currents, there wouldn’t be enough power to generate the fault indication signal and to keep the transmitter functioning properly. Read the rest of this entry »
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