• Charly | High Accuracy Digital Pen pH Tester for Water
  • Charly | High Accuracy Digital Pen pH Tester for Water
  • Charly | High Accuracy Digital Pen pH Tester for Water
  • Charly | High Accuracy Digital Pen pH Tester for Water
  • Charly | High Accuracy Digital Pen pH Tester for Water
  • Charly | High Accuracy Digital Pen pH Tester for Water
  • Charly | High Accuracy Digital Pen pH Tester for Water
  • Charly | High Accuracy Digital Pen pH Tester for Water
  • Charly | High Accuracy Digital Pen pH Tester for Water
  • Charly | High Accuracy Digital Pen pH Tester for Water
  • Charly | High Accuracy Digital Pen pH Tester for Water

Cofik | High Accuracy Digital Pen pH Tester for Water

Cofik | High Accuracy Digital Pen pH Tester for Water

£47.99
£94.99 £47.99
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Free UK Shipping Delivered in 2–6 Business Days
Royal Mail

This versatile water quality pen can measure pH, EC, salinity, and temperature.

Focusing on high performance, it offers rapid numerical stability and accurate measurement results.

The lightweight and portable design makes it perfect for both indoor and outdoor use.

Made from durable materials, it provides high efficiency and accuracy.

With a large, clear display, it is easy to read the displayed values, in addition to automatic temperature compensation.

Suitable for various environments such as gardens, homes, laboratories, farms, aquariums, and more.

Specifications:

  • Color: White and Blue
  • Material: ABS
  • Size: 37 x 183 mm
  • Weight: 90g
  • Function: pH Tester
  • Battery: 3 x LR44 button cell batteries (not included)
  • Accuracy: up to ±0.05 pH
  • pH measurement range: 0.01-14.00 pH
  • TDS measurement range: 0-1000 ppm
  • EC measurement range: 0-10000 US/cm
  • Salinometer measurement range: 0.00-25.00
  • Temperature measurement range: 10-140℃

Contents of the package:

  • 1 x pH Tester

SHIPPING INFORMATION

Every order ships free — no minimum spend required. Orders are processed within 1–2 business days (excluding weekends and UK public holidays). Once dispatched, you'll receive a confirmation email with a tracking number.

  • UK deliveries: Typically arrive within 2–6 days after dispatch.
  • International deliveries: Most international orders arrive within 7–15 days after dispatch. Delivery times vary by country and may be affected by customs processing.

For full details, see our Shipping Policy.

RETURNS & REFUNDS

We accept returns within 30 days of delivery.

  • Faulty or defective items: Contact us with a photo or video — we'll offer a full refund or free replacement, no return needed.
  • Change of mind: Item must be unused and in original condition. Return shipping costs are the customer's responsibility.
  • 1-year warranty on all products covering manufacturing defects.

For full details, see our Return & Refund Policy.

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