Product overview and engineering role
The SimtoLink submersible hydrostatic level sensor is process-sensing hardware for an IoT point. Ratings on this page support a selection, a tender clause, and a later spot check. Measurement and the uplink run on an industrial-grade MEMS architecture, so the reading stays predictable across wide temperature, wide pressure, and electromagnetic interference. Terminals pull out, critical chips carry a watchdog and a redundant check, and the firmware that matters is signed and can roll back, which is what a volume shipment and later remote service need.
This model leaves the factory with a USB-C debug port and a standard industrial connector, ready for an existing SCADA, energy-management, or IoT platform. Southbound point-list templates and northbound MQTT and HTTP push examples shorten the joint debug. Volume orders can add enclosure silkscreen, a set harness length, protocol mapping, and a calibration certificate.
Reliability and field fit
IEC 61000-4 Level 4 items that apply to this probe cover electrical safety and EMC. Ports are protected against surge and reversed polarity. Reinforced grounding and a partitioned layout cut ground-loop and common-mode risk. Outdoor or coastal sites can take a higher ingress rating and a corrosion-resistant coating.
Parameters can be imported in bulk, thresholds can be set, and models that include it can store event video or a waveform. Configuration and firmware go out over the air. Acceptance on site is a power-on self-test, time sync on the link, and a sample spot check. For metering or safety use, SimtoLink helps with a third-party metrology-institute submission and supplies the type-test file.
Key hardware parameters
The table is a typical build of this level probe, for selection and for a technical clause in a tender. A wider range, redundant power, or an intrinsically safe version is quoted separately; ask SimtoLink for the hardware specification and the installation and commissioning guide. Order codes in the family can differ slightly. The nameplate and the papers shipped with the probe govern.
| Parameter | Specification | Notes |
|---|---|---|
| Measurement | Acceleration | Factory calibration certificate |
| Range | 0～10 m/s | Extendable |
| Accuracy / linearity | ±0.84 %FS | Compensated over the full temperature range |
| Frequency response | 0.5～5 kHz | IEPE optional |
| Medium temperature | -36～137 ℃ | Probe-dependent |
| Supply | DC 24V | Surge protection |
| Output | 0～10V | Isolated |
| Process connection | G1/2 thread | Stainless steel 316L |
| Ingress | IP65 | Continuous immersion |
| EMC | GB/T 17626 Level 4 | Industrial sites |
Typical applications
Four wet sites this probe is usually dropped into, for solution design and for judging the return:
Deep wells and groundwater
Static level in an observation well, a geothermal well, or a source well, with a telemetry terminal and lightning protection, for water-resource management and over-abstraction warning.
Sumps and pump stations
Submerged in a wastewater-plant inlet well or a storm pump station. The vented cable stands long immersion, and the level interlocks pump start and stop.
Sponge-city storage
Level downstream of a detention tank, a sunken green, or permeable paving shows how much water was held, and feeds the empty-down plan.
Port and dock tide
The submersible hydrostatic level sensor is a tide reference and a mooring-safety aid, with the reading on the port dispatch or disaster-warning platform.
Installation, grounding, and maintenance
- Confirm supply range and polarity before this probe is powered. If the cabinet drawing is unclear, measure bus voltage and breaker rating with a multimeter.
- Use shielded twisted pair for the level signal, ground the shield at one end, and keep it off a long bundle with high-power cable.
- Prove bidirectional read and write, and a threshold trip, against the platform in the lab before the sensor goes into the well or tank.
- An outdoor head needs a drain path and ventilation. Recheck the seal face on rounds. Lightning-protection earth resistance has to meet the local code.
- On a probe that stays submerged, take a sample spot check and archive the logs every 6 months.
Ordering, documentation, and support
SimtoLink can issue the hardware specification, outline drawings, a wiring table, and an example project for this level sensor. Volume orders can include a sample review and inspection at the factory. Warranty and calibration follow the contract and the papers packed with the probe.