What sensors are included in the Pqwt-L4000 model?

The Pqwt-L4000 model includes a Middle Sensor for outdoor normal environments and a Triangular Sensor for indoor ground detection.

What are the payment methods accepted?

We accept T/T, PayPal, and ESCROW. Sample orders require 100% payment before production, while bulk orders require a 30-50% deposit.

How long is the delivery time?

Delivery time is 1-2 days after receipt of payment. Shipping time is 5 working days by express, 5-7 days by air, and 23-25 days by sea.

Pqwt-L4000 Good Quantity Locating Pipe Leak Sensor Detector

Name: Pqwt-L4000 Good Quantity Locating Pipe Leak Sensor Detector
Brand: Hunan Puqi Water Environment Institute Co., Ltd.
SKU: 1977418562

Hunan, ChinaHunan Puqi Water Environment Institute Co., Ltd.

US$1.00-1,829.00

1 Set

Sample price:US$1969.00/set.Request sample

Product profile

Customization

Available

Type

Pipe Leakage Detector

Usage

Pipe Leakage Detector

Model NO.

L4000

Installation Mode

Portable

Certification

CE, ISO

Application

Home, Industry, Special Equipment, Indoor and Outdoor Pipeline

Model

Pqwt-L4000

Measuring Area

Indoor+Outdoor Pipeline

Sensor

Middle + Triangular Sensor

Frequency Range

1-10000Hz

Gain

10 Levels Adjustable

Volume

10 Levels Adjustable

Operating Mode

General Detection; Locating Mode

Display

7 Inch HD Digital Touch LCD Screen

Charting Hours

7-8 Hours

Working Hours

15 Hours

Charger

5V 2A USB

Input Power

Around 2W

Transport Package

Flight Case and Strong Carton

Specification

56x22x42cm of one carton

Trademark

PQWT

Origin

Changsha, China

HS Code

9031809090

Production Capacity

1000 Set /Month

Key features

Multi-Scenario Detection: Detects leaks in outdoor pipes, fire systems, heating, and indoor underground floors.

Dual Operating Modes: Features General Detection for large areas and Locating Mode for precise leak points.

High-Definition Display: Equipped with a 7-inch HD digital touch LCD screen for clear signal visualization.

Long Battery Life: Provides up to 15 hours of continuous working time on a single charge.

Adjustable Sensitivity: Gain and volume are adjustable in 10 levels to suit different environments.

Lifetime Maintenance: Offers lifetime maintenance service for all factory series products.

CE & ISO Certified: Product meets CE and ISO certification standards for quality and safety.

Portable Design: Host machine weighs only 0.7kg, designed for easy portable operation.

Company profile

Hunan Puqi Water Environment Institute Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2015-12-24 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.64h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryHunan Puqi is a China-based limited company established in 2019, operating in water, environmental, and public-facility management-related activities. It is described as a professional institution engaged in the research and development, manufacturing, and sales of underground-water detection, water-leak detection, borehole inspection, pipeline leakage, and related geophysical equipment. The supplier reports four production lines, a 9,000 m² manufacturing plant, and stated annual output across five product categories, including 100,000 water-level meters. It holds an ISO9001:2015 management-system certificate and reports 11 R&D engineers and 6–10 quality-control staff. Export activity is indicated by self-operated import/export rights and 31%–40% of sales from exports. Evidence supports production, R&D, and quality-management capabilities, but the slices do not establish after-sales service arrangements, customization capability, or broad customer references. Financial information is insufficient for a...

Supplier typeThe supplier is identified as a China-based limited company with combined business classification, while another slice describes it as a trade company. Its stated activities include R&D, manufacturing, and sales of specialized water-detection and geophysical equipment, although the trade-company classification indicates that its exact operating profile is mixed rather than purely manufacturing.

CertificationsThe supplier explicitly reports holding an ISO9001:2015 certificate. This provides direct evidence of a certified quality-management system, although no additional certifications or certificate scope details are provided.

R&D capabilityThe supplier explicitly describes R&D activity in geophysical prospecting and the use of proprietary software for long-term geological data collection, analysis, detection, and differential databases. It also reports 11 R&D engineers and offers multiple specialized detection products, supporting a positive assessment of innovation capability.

Production capacityThe supplier reports four production lines, a 9,000 m² manufacturing plant, and annual output of 10,000 underground-water detectors, 8,000 borehole inspection cameras, 100,000 water-level meters, 9,000 water-pipe leak detectors, and 5,000 archaeological detectors. These stated facilities and product-specific volumes provide explicit evidence of established production capability.

Product Q&A

Q:Is it difficult to operate?

The device is simple to operate and can be used without any experience. There are related U disks with detailed information in the box.

Q:What is the warranty period?

We provide a 2-year guarantee. If the product is influenced due to quality problems, you may receive a guarantee within 2 years after the date of purchase.

Q:Does the product offer lifetime maintenance?

Yes, lifetime maintenance service is implemented on all factory series products. We offer maintenance for machines that surpass the maintenance period or have manual damage.

Q:What are the operating modes of the detector?

It features General Detection for checking water leakage in large areas and Locating Mode for locating leak points in suspected leakage areas.

Q:What is the working time of the device?

The device can work for 15 hours. It uses a 5V 2A USB charger and has a charting time of 7-8 hours.