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💧Portable conductivity water quality test pen
💧Portable conductivity water quality test pen
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💧Portable conductivity water quality test pen
3-in-1 Digital TDS & Water Quality Meter
Ensure your drinking water, RO system, pool, and aquarium are safe with lab-grade accuracy, instant digital readouts, and automatic calibration.


Why Choose Varify TDS Meter?
Instant Results
Get precise water purity measurements in seconds right on the clear digital LCD screen.
Lab-Grade Accuracy
Engineered with advanced microprocessors to deliver reliable, professional-grade precision.
Auto Calibration
Features automatic temperature compensation (ATC) and calibration for hassle-free testing.
🛡️ Reliable & Wide Application
Ideal for drinking water filters, fish tanks, hydroponics, pools and household water monitoring.
Core Feature Details
💧 Accurate Water Quality Testing
Quickly detect TDS value to check tap water, drinking water, aquarium and filtered water safety.

📱 Portable Pen-Size Design
Lightweight pocket tester with matched storage pouch, easy to carry for outdoor & home use.

🔰 Clear Backlit LCD Display
Green backlight screen shows readings directly, convenient for reading in dim environments.

⚙️ Simple One-Button Operation
User-friendly control buttons, no complicated setup, suitable for beginners to operate effortlessly.

🛡️ Reliable & Wide Application
Ideal for drinking water filters, fish tanks, hydroponics, pools and household water monitoring.

Product Technical Details
Engineered for high accuracy, durability, and ease of operation.
Sensor & Measurement
- Measurement Type TDS (Total Dissolved Solids) & Temp
- Probe Material High-Sensitivity Titanium Alloy
- Temperature Comp Automatic Temperature Compensation (ATC)
- Display Screen Clear Backlit Digital LCD
Power & Package
- Power Source Button Cell Batteries
- Calibration Factory Calibrated / Auto-Cal
- Primary Uses Drinking Water, RO, Pools, Aquariums
- Package Includes 1 x TDS Meter, Guide Card, Batteries
Frequently Asked Questions
Tap any question below to expand details ▼
How do I use the digital TDS meter?
Simply remove the protective cap, turn on the meter, submerge it into the water up to the maximum immersion level, and read the stable ppm measurement on the screen.
What does the TDS number actually mean?
TDS stands for Total Dissolved Solids, representing the total amount of mobile charged ions in water. Lower ppm numbers generally indicate purer water, and our included guide card helps you interpret the results.
Does the meter require manual calibration?
It comes pre-calibrated from the factory for immediate use. It also features automatic temperature compensation to maintain accuracy across different water temperatures.
Can I use this tester for fish tank and hydroponic water testing?
Absolutely. It works for drinking water, aquariums, hydroponics, pools and tap water.
Our Quality Guarantees
Shop with complete peace of mind.
1. Trackable logistics
Every shipment comes with active tracking numbers so you can monitor your package every step of the way.
2. Trackable delivery
Partnering with premium carriers to ensure your order arrives safely and on time.
3. Safe packaging
Protective cushioning guarantees your precision electronics arrive in pristine, working condition.
4. Comprehensive after-sales service
Dedicated 24/7 customer support and a hassle-free return policy for complete peace of mind.
Test Your Home Water Quality Today!
Make sure your family drinks pure, safe water with our lab-grade digital TDS meter.
Buy Now & Check Your Water
