Digital Water Tester 7-in-1 Bluetooth Backlit LCD
High Quality
Free US Shipping
Hassle Free Returns
Struggling with slow water tests is finally solved
Measure seven key water quality parameters simultaneously — no device switching, no manual temperature corrections
Why is this Digital 7-in-1 Water Quality Tester perfect for you?
✔ All-in-one 7-parameter water quality measurement: This tester measures pH, ORP, EC, TDS, salinity, specific gravity, and temperature simultaneously, eliminating the need for multiple devices and simplifying water analysis tasks.
✔ Bluetooth connectivity with real-time app tracking: Pairs with iOS and Android apps to provide real-time data tracking, historical records, and notifications, enhancing monitoring convenience without manual logging.
✔ Automatic temperature compensation and backlit display: Automatically adjusts measurements for temperature fluctuations for accuracy and presents data clearly on a backlit LCD screen for easy reading in low light conditions.
Specifications
Measurement Functions: pH, ORP, EC, TDS, Salinity, Specific Gravity, Temperature
Measurement Ranges and Accuracy: pH: 0.00–14.00 with ±0.5 pH accuracy; Temperature: 32–140 °F (0–60 °C) with ±0.9 °F (±0.5 °C) tolerance; Conductivity EC: up to 400.0 mS/cm ±2 F.S.; TDS: up to 200.0 ppt ±2 F.S.; ORP: ±999 mV ±2 mV; Salinity: 0–10,000 ppm ±2 F.S.; Specific Gravity: 1.000–1.222
Display: Backlit digital LCD
Power Supply and Connectivity: Powered by 3 × 1.5V LR44 batteries; Bluetooth connectivity compatible with iOS and Android devices
Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.