Is the meter water proof?

I would not submerge the whole meter in solution. Only the bottom 1 inch to extend the life. If accidentally dropped in water and quickly removed likely ok. I try to only put in the probe on all my meters.

Where can we buy replacement tips/probes?

Don't know and wouldn't buy anymore of their products. My ph pen never worked and neither did a heating pad a had gotten. Took it as a lesson, didn't even want the replacement. Went with blue lab, pricey but worth it

How to calibrate temperature? My unit is reading ~8F too low

I tried two and both had terrible temperature accuracy. I bought a cheap $19 Taylor Precision digit thermometer which gave superior accuracy.

Does this do Fahrenheit?

Garbage! Go with blue lab. Pricey but at least it works

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💧 Stay ahead of water quality—because your health deserves precision.

ALL IN ONE PRECISION - Measure pH, TDS, EC, and temperature with one sleek device.
VERSATILE TESTING POWER - Perfect for drinking water, kombucha, aquariums, hydroponics, and lab use.
RAPID RELIABLE READINGS - High-sensitivity probe delivers instant, accurate results every time.
USER FRIENDLY CALIBRATION - Simple calibration process guarantees consistent, trustworthy measurements.
SMART TEMPERATURE COMPENSATION - Automatic adjustment ensures flawless accuracy regardless of liquid temperature.

The VIVOSUN PH Tester Pen PH-002 is a compact, 4-in-1 digital meter that accurately measures pH, TDS, EC, and temperature. Featuring a high-sensitivity probe and automatic temperature compensation, it ensures fast, reliable readings across a wide range of liquids. Ideal for home, lab, and hydroponic applications, this lightweight device empowers users to monitor water quality with professional-grade precision.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Brand	VIVOSUN
Manufacturer	VIVOSUN
Model number	PH-002
Number of Memory Sticks	1
Item Weight	99.8 g
Product Dimensions	3.81 x 3.81 x 18.29 cm; 99.79 g
Item model number	PH-002
Item Height	7.2 Inches
Item Width	1.5 Inches
Are batteries included?	No

VIVOSUN PH Tester Pen 4-in-1 Digital PH Meter for Water

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