Fandesensor

Name: Fandesensor
Address: High-Tech Development Zone, Xi'an, 710075, CN
Telephone: +8613759913565
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We are the pressure instrumentation manufacturer, specalized in pressure gauge, presure transmitter,

31/10/2026

Fitting a pressure transmitter into an existing skid or a crowded panel is often more about the envelope than the measurement itself. A large housing can turn a straightforward retrofit into a rework of nearby tubing and brackets.

It's a general layout problem: the sensor has to fit before it can do its job. Choosing a compact housing early keeps that constraint from driving the whole design.

We built the DR3403E around that idea, a compact pressure transmitter for installations where space is tight. Worth keeping in mind when the drawing is already full.

🔗 https://www.fandesensor.com/products/pressure-sensor/dr3403e-compact-pressure-transmitter/

31/10/2026

Putting a flowmeter into an existing line usually means a shutdown, cutting the pipe, and welding in a spool piece. On larger lines that's a full day of work before any measurement happens.

Clamp-on ultrasonic measurement avoids that. The sensors mount to the outside of the pipe and measure flow non-invasively, so there's no pipe modification and no process interruption during installation.

It's worth considering when a line is hard to isolate or when the flow check is temporary. We've used the DR5200 for this kind of work. The tradeoff is that clamp-on installation depends heavily on pipe material, wall condition, and a clean mounting surface, so survey the location before committing.

🔗 https://www.fandesensor.com/products/flow-meters/dr5200-ultrasonic-flowmeter/

30/10/2026

Mechanical low-pressure gauges have an inherent resolution problem. At the bottom of the scale, the movement itself can dominate the signal—small pressure changes produce needle motion that's hard to distinguish from the mechanism's own behavior. You end up reading a number that looks precise but doesn't really resolve what's happening.

Digital sensing changes that relationship. With fine resolution, small pressure shifts show up as distinct values instead of a needle position you have to interpret. That matters when you're trending a process or verifying a setpoint near the low end.

The DR3720 is built around that idea: low-pressure measurement where the resolution is fine enough to actually see the change you're looking for.

🔗 https://www.fandesensor.com/products/digital-pressure-gauges/dr3720-digital-pressure-gauge/

30/10/2026

Cleanroom and filtration work often runs on small pressure differences. A few pascals across a filter or between rooms is enough to tell you what's happening, but those low signals are where mechanical gauges get awkward. The needle sits near zero, the scale is tight, and two people can read the same gauge differently.

Digital differential measurement makes that low range easier to interpret consistently. It doesn't change the physics, just how clearly you can see what the system is doing.

For clean-air systems, HVAC filtration, and ventilation checks, the DR-S220 is one option built around that low differential pressure measurement. Worth keeping in mind when a mechanical gauge leaves room for interpretation.

🔗 https://www.fandesensor.com/products/digital-pressure-gauges/dr-s220-differential-pressure-gauge/

30/10/2026

Measuring temperature near 1600°C with an RTD isn't a matter of picking a sensor and moving on. The sensor construction and the electronics both have to be built around that environment, because what works at 400°C often doesn't survive at the top of the range.

Pt100-based transmission is a practical route for furnace and other demanding high-temperature processes, but the transmitter behind it needs to match the duty. The DR4431 is one option for RTD measurement up to 1600°C where the process won't compromise.

Worth reviewing the whole measurement path, not just the sensor, when the temperature climbs that high.

🔗 https://www.fandesensor.com/products/temperature-humidity-transmitter/dr4431-temperature-sensor/

30/10/2026

A wet well that also happens to sit in a classified area puts two requirements on the same instrument: the sensing end has to survive being submerged, and the housing has to be suitable for the hazardous location. Those are separate problems, and it's easy to solve one while forgetting the other.

IP68 covers the liquid exposure. Explosion-proof protection covers the area classification. You need both before the transmitter goes in the well, not after.

The DR6431 is built around that combination — submersible level sensing with explosion-proof options for hazardous liquid-level monitoring. Worth checking the area classification drawing before you specify the next one.

🔗 https://www.fandesensor.com/products/level-sensor/dr6431-water-level-sensor/

29/10/2026

Trend screens in SCADA are built to show long-term behavior. That's their job, and they do it well. But a short pressure transient can rise and fall between scan intervals, so the trend looks clean while the event never gets captured.

An internal logger sidesteps the scan-rate question entirely. It records pressure changes locally, independent of what the PLC or historian is doing, so the data exists whether or not the control system was looking at that moment.

The DR3704 digital pressure gauge with data logger is one way to get that onboard recording at the test point. Worth considering when you suspect the process is doing something between snapshots.

🔗 https://www.fandesensor.com/products/digital-pressure-gauges/dr3704-digital-pressure-guage-with-data-logger/

29/10/2026

Temperature and humidity don't wait for a walkthrough. By the time someone notices the air feels off in a cleanroom, hospital ward, or HVAC zone, conditions have usually been drifting for a while. Manual checks catch the obvious cases and miss the slow ones.

A display on the transmitter helps here. It turns a routine pass through the plant into a quick read, so trends get noticed before they become complaints. The DR4422 covers wide-range temperature and humidity measurement for HVAC, cleanroom, hospital, and environmental applications, which keeps the same unit usable across different areas.

Nothing dramatic. Just fewer surprises found the hard way.

🔗 https://www.fandesensor.com/products/temperature-humidity-transmitter/dr4422-temperature-and-humidity-transmitter/

29/10/2026

A local level reading tells you what’s happening at one point in a water or utility network. It doesn’t help much once you need that measurement in a monitoring system, where the value has to be collected, transmitted, and used alongside everything else.

That’s usually an integration decision as much as a measurement one. Analog output works, but it often means extra conversion somewhere downstream.

Digital communication can simplify that path. The DR6451 submersible level transmitter offers RS485 or HART, so continuous water-level data can go directly into the monitoring architecture you already run. Worth considering when the measurement has to live in a system, not just on a local display.

🔗 https://www.fandesensor.com/products/level-sensor/dr6451-submersible-level-transmitter/

29/10/2026

Flanged connections are fine until you're in the field with a handful of bolts and not enough hands. On oil and gas service work, installation time adds up fast, and every extra tool in the chain is one more thing to keep track of.

Hammer union connections trade that bolt-up routine for a faster, simpler makeup. That's the practical argument for the DR3441 pressure transmitter—it uses a hammer union connection built for demanding oilfield service where speed in the field matters.

It won't change how you measure pressure. It just changes how long you spend getting the instrument installed and back in service.

🔗 https://www.fandesensor.com/products/pressure-sensor/dr3441-hammer-union-pressure-transmitter/

Address

High-Tech Development Zone
Xi'an
710075

Telephone

+8613759913565

Website

http://www.fandesensor.com/

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