7 in 1 Multifunctional PH Salinity Testing Pen TDS EC Temp Water Quality Tester for Swimming Pool Aquarium
This professional 7-in-1 water quality testing pen is your comprehensive solution for accurate water parameter monitoring. Capable of measuring pH, TDS, EC, salinity, temperature, and more, it delivers precise readings within seconds. This versatile instrument helps you maintain optimal water conditions to protect your investment in pools, fish tanks, and water treatment systems. Includes calibration solutions for precise measurements.
Description











Product Name |
7 in 1 PH/TDS/EC/SALINITY/TEMP Water Quality Tester |
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Measurement |
PH/TDS/EC/SALINITY/Temperature/ORP/S.G |
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PH Range |
0-14 |
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EC Range |
0-19999μm/cm |
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TDS Range |
0-19999ppm |
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Temp Range |
0-60℃/32-140℉ |
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Salt Range |
0-19999ppt |
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Product Color |
Green and White, support customization |
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Power Source |
Battery 4*1.5V LR44 |
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Application |
Aquarium, swimming pool |
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Net weight of product |
95g |
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Product Size |
24*8.5*6mm(with package) |



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From prototyping to bulk production, we guarantee end-to-end quality control and competitive OEM/ODM solutions. Partner with us for reliable manufacturing excellence!










A: Yes, sample available.
Q2: Do you support custom packaging or logo printing?
A: Yes! We offer full OEM/ODM services, such as custom colors (provide Pantone code) and private labeling (send us your logo vector file) and packaging design, etc
Q3: What's your payment term for new customers?
A: Alibaba Trade Assurance, Bank transfer, Alipay, Paypal, etc.
Q4: How long is your production lead time?
A: 15-20 days for standard orders (1,000 units).
Q5: What if the products are defective?
A: Our 3-layer QC inspection minimizes defects. If issues occur, free replacement for defects within 1 year.
Q6: If the model we need isn’t listed on your website, what should we do?
A: No problem! As a factory with professional R&D team, we can develop the exact model you require. You can send us your specifications (photos, sketches, or technical sheets) via TradeManager/Email, our engineers will evaluate feasibility within 24 hours and provide technical solution and price quote and lead time estimate etc.
