Underground Water Detectors
Use a PQWT groundwater detector or automatic water finder to identify geological anomalies and support water well drilling decisions.
Compare groundwater detectors →Built for field professionals
Underground Water Detectors, Leak Detection Equipment & Borehole Cameras
Shop PQWT groundwater detectors, automatic water finders, water pipeline leak detectors, 360° borehole cameras and water level meters for professional field projects.
20+ Years of R&D180+ Countries Served
FIELD READYPrecision you can trust
GTGeological SurveyMulti-channel deep-water prospecting→TCGroundwater FindersPortable automatic profile mapping→LDLeak DetectionPinpoint hidden pipeline leaks→GXPipeline & Cable LocatorsTrace buried metallic utilities→PIPipe InspectionSee inside hard-to-reach pipes→BCBorehole CamerasInspect wells in real time→WLMWater Level MetersMeasure well levels precisely→
20+
Years of R&D
180+
Countries & Regions
2-Year
Standard Warranty
Detector buying guide
Find the right underground water and pipeline inspection equipment
Compare professional PQWT instruments by application. Each product family is designed for a specific field task, from locating groundwater to confirming hidden pipeline leaks and inspecting deep wells.
Water Pipeline Leak Detectors
Acoustic water leak detectors help locate hidden leaks beneath concrete, asphalt, soil and indoor walls.
Compare leak detectors →360° Borehole Cameras
Inspect well casings, borehole walls and downhole conditions with live video, depth counting and recording.
View borehole cameras →Well Water Level Meters
Measure static and dynamic groundwater levels with portable steel-ruler probes for wells and boreholes.
View water level meters →Are PQWT Water Detectors Reliable?
A balanced analysis of natural electric field claims, established groundwater geophysics, uncertainty and fair field validation.
Indoor & Outdoor Water Leak Detection Procedures
Follow a field-ready workflow for pressure testing, route tracing, acoustic pinpointing, verification and safety.
How to Choose and Use an Underground Water Detector
Compare PQWT model series, choose a suitable survey depth and follow a practical field and interpretation workflow.
How to Detect Underground Water Pipe Leaks
Compare acoustic and tracer gas methods, understand pipe-material challenges and follow a professional field workflow.
International B2B product lineup
Professional Groundwater Detectors, Leak Detectors & Well Inspection Equipment
Selected from PQWT international product listings and checked against official specifications. Send an inquiry for current export pricing, accessories and delivery terms.
B2B EXPORTGT Geological
GT150A
Multi-Channel Geological Water Detector
150 m · 0.001 mV · 10.1-inch displayProfessional groundwater survey instrument using natural electric field frequency selection and automatic profile analysis.
Request quoteConfiguration-based export pricing
B2B EXPORTGT Geological
GT300A
300 m Geological Exploration System
300 m · 22 electrodes · 10.1-inch displayMulti-electrode groundwater detector for water-well siting, geological structure analysis and field profile mapping.
Request quoteConfiguration-based export pricing
B2B EXPORTGT Geological
GT500A
Automatic Groundwater Survey Detector
500 m · 0.001 mV · 10.1-inch displayAutomatic deep-water survey model with high-resolution signal acquisition and clear touchscreen field interpretation.
Request quoteConfiguration-based export pricing
B2B EXPORTGT Geological
GT1500A
Deep Groundwater Exploration System
1,500 m · 18 channels · 22 copper rodsDeep survey configuration for large-scale groundwater projects with multi-channel acquisition and field electrode kit.
Request quoteConfiguration-based export pricing
B2B EXPORTGroundwater Finders
TC150
Portable Auto-Mapping Water Finder
150 m · auto mapping · portablePortable natural electric field detector with one-button curve and geological profile mapping for well siting.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
TC300
Full Automatic Mapping Water Detector
300 m · automatic profile mappingAutomatic underground water finder that converts collected field data into curves and geological profile maps.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
TC500
500 m Geophysical Water Detector
500 m · 4,000 mAh · auto mappingDeep automatic mapping detector for groundwater prospecting, drilling preparation and geological field surveys.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
TC700
Long-Range Groundwater Finder
600 m · geophysical survey · auto mappingLong-range automatic mapping system for deep aquifer surveys and professional groundwater exploration projects.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
TCM150
Long-Range Automatic Mapping Water Detector
150 m · long-range search · auto mappingDual-mode groundwater survey instrument combining long-range search with natural electric field frequency selection and automatic mapping.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
TCM300
Long-Range Automatic Mapping Water Detector
300 m · long-range search · auto mappingDual-mode groundwater survey instrument combining long-range search with natural electric field frequency selection and automatic mapping.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
TCM500
Long-Range Automatic Mapping Water Detector
500 m · long-range search · auto mappingDual-mode groundwater survey instrument combining long-range search with natural electric field frequency selection and automatic mapping.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
PQ225A
Portable Automatic Mapping Water Finder
50/100/200 m · 7-inch touchscreen · 45 sSingle-channel magnetotelluric groundwater detector with scan and precision modes, automatic curves, profiles and 3D display.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
PQ225B
Portable Automatic Mapping Water Finder
100/200/400 m · 7-inch touchscreen · 60 sSingle-channel magnetotelluric groundwater detector with scan and precision modes, automatic curves, profiles and 3D display.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
PQ225C
Portable Automatic Mapping Water Finder
100/200/400/600 m · 7-inch touchscreen · 85 sSingle-channel magnetotelluric groundwater detector with scan and precision modes, automatic curves, profiles and 3D display.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
PQ225D
Portable Automatic Mapping Water Finder
200/400/600/800 m · 7-inch touchscreen · 90 sSingle-channel magnetotelluric groundwater detector with scan and precision modes, automatic curves, profiles and 3D display.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
PQ225E
Portable Automatic Mapping Water Finder
200/400/600/800/1000 m · 7-inch touchscreen · 100 sSingle-channel magnetotelluric groundwater detector with scan and precision modes, automatic curves, profiles and 3D display.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
S150
Automatic Mapping Groundwater Detector
150 m · 7-inch touchscreen · auto mappingNatural electric field survey instrument with automatic curves and geological profile mapping for professional well siting.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
S300
Automatic Mapping Groundwater Detector
300 m · 7-inch touchscreen · auto mappingNatural electric field survey instrument with automatic curves and geological profile mapping for professional well siting.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
S500
Automatic Mapping Groundwater Detector
500 m · 8 channels · 7-inch touchscreenNatural electric field survey instrument with automatic curves and geological profile mapping for professional well siting.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
M100
Mobile App Groundwater Detector
100 m · Android app · auto mappingSmartphone-linked field detector for automatic curve and geological profile mapping without a separate display.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
M200
Mobile App Groundwater Detector
200 m · Android app · auto mappingSmartphone-linked field detector for automatic curve and geological profile mapping without a separate display.
Request quoteModel-specific export quotation
B2B EXPORTGroundwater Finders
M400
Mobile App Groundwater Detector
400 m · Android app · auto mappingSmartphone-linked field detector for automatic curve and geological profile mapping without a separate display.
Request quoteModel-specific export quotation
B2B EXPORTLeak Detection
PQ125A
Indoor Pressure Pipeline Leak Detector
0.5 m · dual sensors · general + location modesIndoor acoustic leak detector with DMR-V59 and DMR-H40 dual-membrane sensors for floors, walls and confined spaces.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
PQ125B
Outdoor Pressure Pipeline Leak Detector
Up to 3 m · RCS-S3 sensor · ±1 mOutdoor acoustic locator for municipal, fire and heating pipelines, suitable for hard or soft surfaces and metal or plastic networks.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
PQ125D
Indoor & Outdoor Multi-Sensor Leak Detector
Up to 6 m · 4 sensors · indoor/outdoorFour-sensor acoustic system for indoor branches and outdoor mains, including DMR-V59, DMR-H40, RCS-S3 and RCS-L6 sensors.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
PQ125E
Gas Tracer & Acoustic Pipe Leak Detector
Up to 8 m · acoustic + tracer gas · 5 sensorsProfessional indoor and outdoor leak detection kit combining acoustic sensors with the TLS-H8 tracer-gas sensor for difficult leaks.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
PQ125C
Multi-Sensor Water Leak Detector
3 m · multi-sensor · touchscreenTouchscreen acoustic analysis system for indoor and outdoor pressure pipelines, supplied with multiple sensors.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
CL200
Professional Water Pipeline Leak Detector
Up to 2 m · 1–5,000 Hz spectrum · 31 frequenciesProfessional acoustic detector for pinpointing leaks in pressurized water, heating and municipal pipelines by amplifying leak noise and analyzing spectrum signals.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
BT20
Wireless Pipe Leak Detector & Locator
Up to 9 m · 20–5,000 Hz · 10 m wirelessPortable wireless system for acoustic leak inspection and underground pipeline locating across outdoor water, fire-protection and heating networks.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
BT30
3-in-1 Wireless Pipe Leak Detector
Up to 9 m · acoustic + tracer gas + pipe locatingMultifunctional wireless detector combining acoustic listening, tracer-gas detection and pipeline locating for difficult external-network leaks.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
TYM-3A
AI Acoustic Water Leak Detector
100–8,000 Hz · dual sensors · AI locatingDual-sensor acoustic system with general detection and AI-assisted precise locating for indoor and outdoor pressure pipelines.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
TYM-4A
Tracer Gas Water Leak Detector
100–8,000 Hz · AI + tracer gasAcoustic locating system with an added tracer-gas detection mode for pressure-pipeline leak pinpointing.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
TYM-6A
Indoor & Outdoor Water Leak Detector
100–8,000 Hz · indoor/outdoor sensorsProfessional touchscreen system with dedicated indoor and outdoor sensors, acoustic analysis and AI-assisted locating.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
TYM-7A
Multifunctional Water Leak Detector
100–8,000 Hz · acoustic + tracer gasMulti-sensor professional kit combining AI acoustic positioning and tracer-gas detection for demanding leak surveys.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
L2000
Outdoor Pipe Water Leak Detector
5 m · 1–10,000 Hz · outdoorDedicated outdoor system for locating leaks below concrete, asphalt, grass and soil using acoustic signals.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
L7000
Indoor & Outdoor Leak Detector
1–10,000 Hz · 7-inch displayMulti-sensor professional system with frequency analysis, general detection and precise location modes.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
L3000
Professional Multi-Sensor Leak Detector
1–10,000 Hz · medium + square sensorsMulti-sensor acoustic system for indoor and outdoor pressure pipelines with general detection and precise locating modes.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
L4000
Professional Multi-Sensor Leak Detector
1–10,000 Hz · indoor/outdoor kitMulti-sensor acoustic system for indoor and outdoor pressure pipelines with general detection and precise locating modes.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
L5000
Professional Multi-Sensor Leak Detector
1–10,000 Hz · three-sensor kitMulti-sensor acoustic system for indoor and outdoor pressure pipelines with general detection and precise locating modes.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
L30
Compact Acoustic Leak Detector
1–10,000 Hz · square sensorCompact acoustic leak detector for kitchens, bathrooms, floors and concealed building pipes.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
L40
Compact Acoustic Leak Detector
1–10,000 Hz · triangular sensorCompact acoustic leak detector for kitchens, bathrooms, floors and concealed building pipes.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTLeak Detection
L50
Compact Acoustic Leak Detector
1–10,000 Hz · two-sensor kitCompact acoustic leak detector for kitchens, bathrooms, floors and concealed building pipes.
Request quoteAccessories and quantity confirmed by inquiry
B2B EXPORTBorehole Camera
PQWT-200M
360° Borehole Inspection Camera
200–2,000 m options · H.265 · DVR Full HDFull-HD downhole viewing system for water wells, geological boreholes and engineering inspection with a rotating waterproof probe.
Request quoteDepth, probe and reel confirmed by inquiry
B2B EXPORTWater Level Meter
PQWT-400M
Steel Ruler Water Level Meter
0–400 m · 14 mm probe · 9V batteryPortable well-level instrument with a stainless-steel probe, audible and visual indication, and a durable field reel.
Request quoteCable length and reel material confirmed by inquiry
B2B EXPORTWater Level Meter
PQWT-150M
Metal Water Level Gauge
0–150 m · 1 mm reading · 9V batterySteel-ruler level gauge for groundwater observation, boreholes, hydropower projects and dam safety monitoring.
Request quote30–500 m model options available
B2B EXPORTPipeline & Cable Locator
GX700
Underground Pipeline & Cable Locator
Up to 6 m · path tracing · depth measurementPortable electromagnetic utility locator for tracing metallic water, gas and heating pipelines and power cables with path and depth indication.
Request quoteConfiguration-based export pricing
B2B EXPORTPipeline & Cable Locator
GX800
Multi-Frequency Pipeline & Cable Locator
Up to 6 m · multi-frequency · visual guidanceProfessional multi-frequency electromagnetic locator with intelligent signal visualization for complex and parallel underground utilities.
Request quoteConfiguration-based export pricing
B2B EXPORTPipeline & Cable Locator
GX900
Professional Pipeline & Cable Locator
Up to 8 m · high-power signal · fault analysisHigh-power professional locator for deep or long-distance metallic utility tracing, depth measurement and cable fault analysis.
Request quoteConfiguration-based export pricing
Final specifications, included accessories, pricing, shipping and order terms will be confirmed in your quotation.
Solutions by application
Start with the job, not the instrument
Tell us your site conditions and we will match the instrument, accessories and training to your workflow.
Groundwater Exploration
Survey aquifers, compare geological changes and select better drilling locations.
Plan a survey →Leak Detection
Trace concealed and underground leaks in residential, commercial and utility networks.
Find the right detector →Well Inspection & Level Measurement
Inspect borehole conditions with real-time video and measure groundwater levels accurately.
Configure well equipment →Support that travels with you
From product selection to field operation
Our specialists help you select, set up and use your equipment with greater confidence—wherever your next project takes you.
Talk to a Specialist →01Pre-sales consultationApplication review and model selection
02Training & interpretationOperation guidance and survey support
03After-sales serviceWarranty, parts and technical assistance
04Global deliveryShipping solutions for international projects
SINCE2006
Focused on practical detection technology for water and pipeline professionals.
About PQWT
Engineering field decisions with clearer evidence
PQWT develops professional instruments for groundwater exploration, water leak detection, borehole imaging and water-level measurement. Our goal is simple: make complex field work easier to understand, repeat and document.
Independent R&DField-oriented designInternational support
Contact & request a quote
Talk directly with our export team
Share the application, expected depth, pipe material or project location. Chris will help recommend a suitable model and configuration.
What happens next?1. We review your application2. A specialist recommends a model3. You receive pricing and delivery options