TDS-M3 Portable Digital Test Pen for Water Quality Portable Tester

• Customization: Available
• After-sales Service: Technical Guidance
• Warranty: Technical Guidance
• Model NO.: BSK-M3
• Resolution(0-9990 Ppm): 1mg/L(Ppm)
• Measuring Range: 0-9990ppm
• Dimension: 150*20*20mm
• Customized Support: OEM, ODM
• Place of Origin: Henan, China
• Feature: Fast, Efficient, Accurate
• Product Name: Digital LCD TDS Meter
• Brand Name: Bingsheng
• Battery: 2*1.5V (Lr44, Button Cell)
• Key Words: Pen Type TDS Meter
• Model Number: TDS-M3
• Application: Swimming Pool
• Display: Digital LCD
• Transport Package: Carton Packing
• Specification: ABS
• Trademark: BINGSHENG
• Origin: China
• HS Code: 9031809090
• Production Capacity: 10000pieces/Year
• Package Size: 15.00cm * 2.00cm * 2.00cm
• Package Gross Weight: 0.100kg

Product Description

Product Description

TDS-M2 Water Quality Tester

1.It is a patent-pending TDS meter with a measurement range of 0~9990ppm, ±2% high accuracy and 1ppm resolution, delivering reliable and precise readings for water quality monitoring.

2.Designed with a compact pen-style form (2514137mm, only 34g net weight), it is powered by 2*1.5V LR44 button cells for long-lasting use, and features easy handheld operation and portability for on-the-go testing.

3.Packaged with a paper box or PVC bag, it is bulk-packed at 500PCS/CTN (carton size 52*37*32.5cm, gross weight 20KGS), making it ideal for wholesale and distribution. It is widely used for drinking water, aquariums, hydroponics and more, suitable for both home and commercial applications.

4.It features a user-friendly, one-button operation design with a clear digital display, requiring no complex calibration for daily use. The durable build ensures long-term stability, while the included paper box or PVC bag packaging provides protection for easy storage and transport. It is an ideal cost-effective solution for both personal water quality checks and bulk retail distribution.
 

Feature

Advantange

This professional-grade TDS Meter (Model TDS-M3) is engineered for accurate, reliable water quality testing. It features a 0~9990ppm measurement range with ±2% full-scale accuracy and 1ppm resolution, delivering precise readings to help you quickly assess water purity.

The pen-style tester is built with a durable, compact design (25×14×137mm, only 34g) and a clear digital display, powered by 2×1.5V LR44 button cells for long-lasting use. With plug-and-play functionality and no complicated calibration required for daily use, it ensures stable, consistent performance every time you test.

Designed for everyday use and easy operation, this TDS meter is perfect for every household and casual water testing need. Whether you're checking if your tap water or filtered water is safe to drink, verifying the purity of bottled water, testing the water in your fish tank, or even checking the water quality of your home plant's watering solution, it gives you instant, easy-to-read results.

Its pocket-sized, lightweight design lets you carry it anywhere, so you can test water at home, at the office, or even when traveling. It's simple enough for anyone to use, making it a practical tool for keeping your daily water safe and healthy.

Specification

Product Name	TDS-M3 meter
Accuracy	±2%
Resolution	1ppm
EC Measure range	0~9990µS/cm
Measuring functions	TDS
Single gross weight	34g
Display	LCD backlight
Battery	2*1.5V(LR44 Button Cell)

Company Profile

Company profile

Henan Bingsheng Industrial Co., Ltd. is a high-tech enterprise specializing in the research and developmentproduction, sales and service of intelligent sensors, intelligent instruments and automation equipment.
 
In 2021, it was rated as one of the first batch of "High-tech Intelligent Sensor Enterprises" and "HenanScience and Technology Small and Medium-sized Enterprises" in Henan Province.
 
The company develops and produces products in strict accordance with the ISO9001 quality system toensure the quality and reliability of products and services.
 
At the same time, it focuses on the research and development of the latest sensor technology, activelyabsorbs and introduces advanced technologies at home and abroad, and constantly innovates to launchhigh-quality, efficient and practical new products.

Honors & Qualifications

We hold authoritative international certifications including the CE certification, which confirms our productsmeet EU safety, health and environmental protection standards, ensuring compliance with global marketaccess requirements.

In 2021, we were recognized as one of Henan Province's "First Batch of High-tech Intelligent SensorEnterprises" and awarded the title of "No.1 Henan Science and Technology Small and Medium-sizedEnterprise".

Our core technical team originates from research institutions, endowing us with robust independentinnovation capabilities.

We strictly adhere to the ISO9001 quality management system throughout the entire value chain,guaranteeing the quality, stability and reliability of every product.

Certifications

Certifications

We hold authoritative international certifications including the CE certification, which confirms our products meet EU safety, health and environmental protection standards, ensuring compliance with global market access requirements. 

In 2021, we were recognized as one of Henan Province's "First Batch of High-tech Intelligent Sensor Enterprises" and awarded the title of "No.1 Henan Science and Technology Small and Medium-sized Enterprise". Our core technical team originates from research institutions, endowing us with robust independent innovation capabilities.

We strictly adhere to the ISO9001 quality management system throughout the entire value chain, guaranteeing the quality, stability and reliability of every product.

Packing & Delivery

TRANSPORT SERVICE

We provide one-stop global transportation and payment solutions tailored to your business needs. For sample orders, we offer fast and reliable door-to-door delivery services via international express carriers such as DHL, UPS, FedEx, TNT and EMS, with an estimated delivery time of 13-16 days. For mass production orders, we flexibly arrange sea freight, air freight or self-pickup according to your actual requirements.
 

We are committed to providing safe and convenient transaction services for all partners. For first-time orders, Trade Assurance is highly recommended to ensure transaction security. We support a variety of payment methods to adapt to different order scales: Western Union, MoneyGram and PayPal are available for small orders, while L/C (Letter of Credit) and T/T (Telegraphic Transfer) are provided for large orders. Meanwhile, we accept multiple international trade terms including DAT, FCA, EXW and DDP, striving to meet your diverse cooperation needs and ensure smooth progress of your business.

WAREHOUSE PHOTO

Our products adopt high-quality and sturdy corrugated carton packaging, which features excellent shock resistance, compression resistance and moisture-proof performance. The standardized packaging is neatly stacked and firmly fixed, effectively protecting the sensor and instrument products from scratches, collisions or damage during long-distance transportation.
 
We support flexible safe transportation options including air freight and sea freight, with professional logistics personnel optimizing transportation routes according to different order scales and destination countries. This ensures that products arrive at customers' hands safely and intact, whether for urgent sample orders or bulk mass production orders.
 

Our dedicated warehouse maintains sufficient inventory all year round, with strict inventory management to ensure the availability of common specifications and models. 

Product Advantages

Factory Production

Technology Portfolio

Our standardized intelligent production workshop features a clean, well-organized layout with efficient assembly lines. Professional technicians focus on precision sensor assembly, meticulous wiring, and strict performance calibration. Equipped with professional testing tools and organized component storage, each team follows standardized operating procedures. The workshop supports both mass production for bulk orders and small-batch customized manufacturing, ensuring every sensor and instrument undergoes precise assembly, debugging, and quality inspection before delivery. All operations comply with ISO9001 quality standards and CE certification requirements, guaranteeing high-precision, reliable product quality.

We focus on R&D and manufacturing of professional online monitoring equipment, with a comprehensive product line covering:
Water Quality Sensing: Full-range sensors (pH, ORP, Conductivity, Dissolved Oxygen, Turbidity, etc.) and multi-parameter online analyzers, featuring high measurement accuracy and easy field deployment.
Soil & Environment Monitoring: Multi-parameter soil sensors and specialized environmental instruments for precision agriculture and ecological protection.
Industrial Automation: Customized intelligent control systems and data acquisition modules for industrial process monitoring and control.

After Sales Service

Technical Guidance&Quality Assurance

We provide a comprehensive 12-month warranty service for all our intelligent sensor and instrument products. During the warranty period, we will cover free maintenance and part replacement for any quality issues arising from manufacturing defects, ensuring the stable and reliable operation of your equipment.
 
In addition to our standard warranty, we offer complimentary remote technical guidance support. Our professional technical team is available to provide real-time online guidance for product installation, commissioning, parameter calibration and daily maintenance. We are dedicated to helping you solve technical problems efficiently and ensuring a smooth user experience.

Moreover, we offer free product return and inspection services. If you have any doubts about product performance or encounter usage issues, you can return the products to us, and our professional team will conduct comprehensive free testing to provide accurate performance reports and solution suggestions.

FAQ

Q1 Can I buy samples before placing the order? 
A1 Yes. Samples are available at a competitive price for quality evaluation before bulk orders.
 
Q2 How soon can I get the samples? 
A2 Sample orders are processed after payment. Production takes 3-7 working days, subject to stock availability, followed by fast international express delivery.
 
Q3 Can I print my logo on the product and packaging? 
A3 Yes, we offer logo and packaging custom printing services at an extra cost. Contact our sales team for details.
 
Q4 What certifications do your products have? 
A4 Products hold CE, ISO9001 and SGS certifications. Custom certifications are available upon request (additional fee applies).
 
Q5 Do you provide after-sales service? 
A5 Yes. We offer 1-year warranty, free remote technical guidance, and product return & inspection.
 
Q6 What transportation and payment methods do you support? 
A6 We support air/sea freight, express delivery, and trade terms like DAT/FCA/EXW/DDP. Payments include T/T, L/C, PayPal, Western Union, and Trade Assurance.