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Fandesensor We are the pressure instrumentation manufacturer, specalized in pressure gauge, presure transmitter,

Calibration results depend on more than the reference you're comparing against. Resolution and temperature drift both sh...
28/09/2026

Calibration results depend on more than the reference you're comparing against. Resolution and temperature drift both shape what you can actually trust.

A gauge that only reads to three digits can hide small errors, and a shift in ambient temperature can move the reading before you've even started. Five-digit resolution and temperature compensation address both, which is why the DR3716 gets used for calibration work and precision measurement rather than general indication.

Worth checking your own setup: if the display resolution is coarser than the tolerance you're verifying, the calibration itself becomes the weak link.



🔗 https://www.fandesensor.com/products/digital-pressure-gauges/dr3716-digital-pressure-gauge/

Pressure readings that jump around near a VFD are often a wiring problem, not a sensor problem. Switching equipment coup...
28/09/2026

Pressure readings that jump around near a VFD are often a wiring problem, not a sensor problem. Switching equipment couples electrical noise into the signal path, and the transmitter ends up reporting the noise along with the pressure.

Shielding and routing help, but sometimes the environment is just noisy enough that the electronics need to handle it. Signal conditioning and interference protection at the transmitter keep the measurement stable when it sits close to drives and other switching gear.

We've used the DR3411 in a few of those spots. Same process connection, just less fighting with the reading.



🔗 https://www.fandesensor.com/products/pressure-sensor/dr3411-anti-interference-pressure-transmitter/

Walking a plant floor with a clipboard gets old fast when you're checking several pressure instruments in a row. The slo...
28/09/2026

Walking a plant floor with a clipboard gets old fast when you're checking several pressure instruments in a row. The slow part isn't the reading itself, it's the stopping, jotting, and later retyping.

Bluetooth access changes that workflow. A wireless link lets you pull pressure data and adjust configuration from a phone or tablet, so one person can move through a line without breaking stride.

It's a small shift, but it adds up over a shift. The DR-S281 is one example of a gauge built around that idea. Worth considering if field inspection time is a real constraint for your team.



🔗 https://www.fandesensor.com/products/digital-pressure-gauges/dr-s281-bluetooth-digital-pressure-gauge/

28/09/2026

Remote wells and reservoirs often don't have power or a network connection, so permanent telemetry isn't an option. You still need the level trend, though.

That's a case for local data storage rather than live transmission. The instrument records level and temperature on its own, and you retrieve the data when you visit the site. No infrastructure to build, no comms to maintain.

The DR6458 submersible level data logger works on that principle: autonomous logging for sites where communications aren't practical. If you're already making site visits anyway, the data is there waiting.

Worth considering when the measurement matters more than the real-time view.



🔗 https://www.fandesensor.com/products/level-sensor/dr6458-water-level-logger/

27/09/2026

Pressure connections in hygienic processes deserve more attention than they usually get. A connection that leaves crevices or hard-to-reach surfaces gives process media somewhere to sit, and cleaning becomes a longer, less certain job.

Sanitary construction addresses that directly: the wetted interface is designed so product doesn't collect and cleaning is straightforward. It's a mechanical detail, not a measurement one, but it decides whether the instrument fits the process at all.

That's the reasoning behind choosing something like the DR3413 for food, pharmaceutical, and clean-process lines, where the connection geometry matters as much as the pressure reading itself.



🔗 https://www.fandesensor.com/products/pressure-sensor/dr3413-sanitary-pressure-transmitter/

27/09/2026

Heat is one of the quieter problems in pressure measurement. A transmitter that performs fine on a cool line can start drifting once the process runs hot, and the usual response is to add isolation or cooling. Sometimes that's necessary. Sometimes it just moves the problem.

If the media temperature stays within a defined band, it's worth checking whether the transmitter itself is rated for it. The DR3417 is built for media temperatures up to 150°C with an industrial pressure output, so on those lines you can skip the extra hardware and keep the installation simple.

Worth a look before adding another cooling loop to the maintenance list.



🔗 https://www.fandesensor.com/products/pressure-sensor/dr3417-high-temperature-pressure-transmitter/

27/09/2026

A Bourdon tube gauge only shows you what the needle can physically do. When pressure moves faster than the mechanism, the reading lags and short spikes get averaged out of view. You end up troubleshooting a problem the gauge never fully registered.

Digital sampling changes what you can actually see. The DR3710 samples at 6Hz, so pressure fluctuations that a mechanical gauge smooths over show up as distinct readings. That's often the difference between knowing a pump is cycling and guessing it.

Worth checking whether your current gauges are fast enough for the process, or just fast enough for the paperwork.



🔗 https://www.fandesensor.com/products/digital-pressure-gauges/dr3710-digital-pressure-gauge/

27/09/2026

Walking a unit last week, I noticed a pressure gauge installed in an area classified for hazardous gases. The gauge itself was fine. The installation wasn’t. Protection concept and area classification have to match, and that’s a design decision, not a purchasing afterthought.

Pressure monitoring in those areas needs instrumentation built for the location, not standard hardware with a hope and a label. Explosion-proof construction is one route when vapors or gases may be present.

The DR3431 is an explosion-proof pressure transmitter for exactly that kind of service. Nothing dramatic. Just the right protection concept applied where the area classification calls for it.



🔗 https://www.fandesensor.com/products/pressure-sensor/dr3431-explosion-proof-pressure-transmitter/

26/09/2026

A DP transmitter error doesn’t stay local. It propagates straight into the inferred flow number, then into whatever the control loop decides to do about it. A small percentage of full scale on the measurement side can be a much larger error on the flow side, depending on where you’re operating on the curve.

Worth checking the accuracy spec against the actual control tolerance, not just the transmitter’s reputation.

We’ve used the DR3051S-DP on flow, filtration and process control loops where 0.075%FS with HART was the number that actually matched the requirement.



🔗 https://www.fandesensor.com/products/pressure-sensor/dr3051s-dp-differential-pressure-sensor/

26/09/2026

Calibration results only mean something if the reference instrument can resolve what you're trying to measure. A gauge with coarse resolution can mask small deviations, and temperature drift adds another layer of uncertainty to the reading.

That's the reasoning behind the DR3716. Five-digit resolution and temperature compensation address two of the main factors affecting calibration accuracy, which is why it fits precision measurement and calibration work rather than general indication.

The principle is straightforward: resolution, temperature behavior, and sensor stability shape what a calibration can actually tell you. Worth keeping in mind when specifying the reference side of the loop.



🔗 https://www.fandesensor.com/products/digital-pressure-gauges/dr3716-digital-pressure-gauge/

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