sales@welkmeters.comWhatsApp +8615175256533
EN
Radar / Ultrasonic / Hydrostatic / Magnetic

Level Meters & Transmitters Factory Direct

WELK Level manufactures industrial level instruments for tanks, silos, wells, reservoirs and process vessels. Send medium, range and output requirements for an engineer-reviewed quote within 24 hours.

Send level inquiry →View level products
Engineer-reviewed response with practical model selection notes.
WELK 80 GHz radar level meter
Custom workflowWELK
0102030405
2015
Founded
Baoding, Hebei
24h
Engineering reply
Typical inquiry response
Small MOQ
OEM / ODM
Private label support
ISO
Certified systems
Quality and management documents
Core level products· 01

Level measurement technologies.

All products →
Radar Level Meters product selection image

Radar Level Meters

80 GHz radar, compact radar, silo radar, air-purge radar, hazardous-area radar, high-temperature radar and guided wave radar product families with 4-20 mA, HART, RS-485 and project telemetry options.

Measurement style: Non-contact FMCW radar and contact guided wave radar / Range classes: Short water points to 120 m class silo applications / Outputs: 4-20 mA, HART, RS-485 Modbus or telemetry package by configuration / Key checks: Nozzle, antenna, dielectric, foam, dust, buildup, pressure and temperatureExplore →
Ultrasonic level meters product selection image

Ultrasonic Level Meters

Integrated, split, two-wire, compact, low blind-zone, PTFE-faced, explosion-proof, open-channel, external and water/fuel tank ultrasonic level instruments for economical non-contact measurement.

Range classes: 1-50 m class by sensor and installation / Outputs: 4-20 mA, relay, RS-485 Modbus or switch output by selected version / Best fit: Open tanks, sumps, water systems and compatible chemical storage / Key limits: Blind zone, foam, vapor, turbulence and nozzle geometry must be checkedExplore →
Hydrostatic Level Transmitters product selection image

Hydrostatic Level Transmitters

Cable-type, small-diameter, deep-well, wastewater, drinking-water, PTFE anti-corrosion, smart display, flush diaphragm, sanitary and DP level transmitter families for continuous liquid level measurement.

Measurement principle: Liquid-column pressure converted to level / Range classes: Short tanks to deep wells and 300 mH2O class by probe / Outputs: 4-20 mA, HART, RS-485 Modbus, voltage or display package by configuration / Key checks: Depth, density, cable length, diaphragm, corrosion, venting and installation protectionExplore →
Magnetic & Local Level Gauges product selection image

Magnetic & Local Level Gauges

Power-free local indication plus magnetic, glass plate/tube, high-pressure, lined, steam-jacketed, insulated, switch and 4-20 mA transmitter configurations.

Pressure: Up to 16 MPa / Temperature: Up to 350 C / Options: Switch / transmitter / drainExplore →
Level Switches product selection image

Level Switches

Float, cable float, compact/explosion-proof tuning fork, powder fork, vibrating rod, capacitance, conductive and rotary paddle switches.

Signal: Relay / NPN / PNP / Duty: High-low alarm / Mounting: Thread / flangeExplore →
Custom Level Solutions product selection image

Custom Level Solutions

WELK engineers configure level measurement packages from tank conditions and control-system requirements.

OEM: Logo / nameplate / Signal: 4-20 mA / RS-485 / relay / Documents: Manuals / calibration recordsExplore →
Industry solutions· 02

Level instruments by application.

All applications →
Municipal wastewater treatment plant with WELK level instruments
Water utilities and wastewater plants

Water & Wastewater Level

Open tanks, sumps, reservoirs and pump stations need reliable level signals for alarms and pump control.

Related:Submersible Hydrostatic Level Transmitter - Submersible hydrostatic probe, range and cable length by water depth / 60 GHz Water Level Radar Sensor - Compact radar water-level sensor with RS-485 or telemetry option
Explore application →
Tank farm level measurement application for radar and hydrostatic instruments
Chemical and petrochemical storage

Chemical Storage Tanks

Corrosive media, vapors, foam and hazardous areas require the right wetted material and measurement principle.

Related:Radar Level Meter for Corrosive Liquids - Corrosive-liquid radar with PTFE/PVDF/316L exposed-material review / Anti-Corrosion Hydrostatic Level Transmitter - PTFE/PVDF/FEP anti-corrosion hydrostatic probe
Explore application →
80 GHz radar level meter 80 GHz radar with stainless flange
Powder silos and bulk solids

Silo & Powder Level

Dust, low dielectric materials and tall vessels often make high-frequency radar the preferred continuous level technology.

Related:Long Range Silo Radar Level Meter - Long-range 80 GHz silo radar, 30-120 m class by silo and material / Cement Silo Radar Level Meter - Cement and fly-ash radar package with aiming and purge review
Explore application →
Reservoir water level monitoring application site
Water wells and reservoirs

Wells & Reservoirs

Hydrostatic probes, water-level radar and controller packages are selected from depth, cable route, site access, water quality and telemetry requirements.

Related:Deep Well Level Transmitter - Deep-well hydrostatic probe with custom cable length / Small Diameter Borehole Level Transmitter - 13-19 mm class borehole level probe
Explore application →
WELK ultrasonic level meters installed on stainless steel process tanks
Pressure vessels and thermal systems

Boilers & Process Vessels

Pressure, temperature and the need for local indication often point toward magnetic gauges or radar instruments.

Related:Guided Wave Radar Level Transmitter - Guided wave radar with rod, cable or coaxial probe by vessel / High-Temperature Radar Level Meter - High-temperature radar with protected antenna or cooling extension
Explore application →
Frequently quoted· 03

Common WELK series.

Browse catalog →

80 GHz Radar Level Meter

Configurable 80 GHz FMCW radar level meter for storage tanks, process vessels and selected solids with narrow-beam non-contact measurement.

Frequency: 80 GHz FMCWDetails →
Custom & OEM· 04

Configured from tank conditions.

Custom solutions →
Standard modelsConfirmed per model and quantity

Common radar, ultrasonic and hydrostatic ranges are quoted after model check.

Configured projectsConfirmed after configuration review

Range, connection, output, wetted material and OEM details confirmed per project.

Collect process data

Confirm medium, range, vessel drawing, connection, pressure, temperature, material, output signal and quantity.

Day 0

Select measurement principle

Engineering checks whether radar, ultrasonic, hydrostatic, magnetic, guided wave radar, DP or a switch is technically suitable.

1-2 business days

Confirm configuration

Range, connection, cable or probe length, housing, display, relay, material, documentation and OEM requirements are frozen before quoting.

After data review

Build and inspect

Assembly, parameter setting, wiring, output checks, appearance review, accessory check and packing preparation follow the confirmed specification.

Per order scope

Ship and support

Shipment documents, optional calibration records, packing photos and after-sales guidance are prepared according to the confirmed order.

Before dispatch
Projects· 05

Built for water chemical and power.

Municipal wastewater treatment plant with WELK level instruments
Water treatment level measurementApplication reference
Tank farm level measurement application for radar and hydrostatic instruments
Chemical storage tank levelApplication reference
Reservoir water level monitoring application site
Reservoir water level monitoringApplication reference
WELK ultrasonic level meters installed on stainless steel process tanks
Process vessel level measurementApplication reference
Municipal wastewater treatment plant with WELK level instruments
Water treatment level measurementApplication reference
Tank farm level measurement application for radar and hydrostatic instruments
Chemical storage tank levelApplication reference
Reservoir water level monitoring application site
Reservoir water level monitoringApplication reference
WELK ultrasonic level meters installed on stainless steel process tanks
Process vessel level measurementApplication reference
Why choose us· 06

Factory-direct instrument support.

Engineer-reviewed RFQs

Every inquiry is checked against medium, range, installation and output requirements.

Factory-direct supply

Level instruments are configured and supplied from WELK's Baoding team.

Small MOQ welcome

Standard models and OEM/ODM projects can start from practical quantities.

Export documentation

Manuals, calibration records and shipment documents are prepared per order.

FAQ· 07

Before you send the RFQ.

Send medium, measuring range, tank height, process connection, pressure, temperature, output signal and quantity.

Yes. WELK supplies radar, ultrasonic, hydrostatic and magnetic level instruments, plus level switch frameworks for future model data.

Yes. OEM nameplates, custom ranges and project documentation can be reviewed from practical quantities.

WELK states that engineer-reviewed inquiries are typically answered within 24 hours.

Got a level measurement project? Send the conditions.

Send your specification, drawing or operating conditions. We reply with a technical quote, not a form letter.

Optional: up to 5 files, 10 MB combined (PDF, photos, CAD, ZIP). For larger packages, submit the form first, then email your files.