Can the relative humidity be calibrated by the user?

Neither relative humidity nor temperature can be calibrated by the user. User's manual does not mention this possibility.

Can this item be sent in for re-calibration periodically, and updated certificate?

All the items have been calibrated before sending out, and if you need to calibate again, then you can send it to us for re-calibration, but it will cost a lot of time and shipping fee

?Viene con el certificado de calibración?

Thank you for your question. If you need it you can contact our customer service and we will send you a calibration operation manual, which is recommended to be used under professional personnel and operating equipment.

Has anyone who bought this unit tested it for accuracy?

That I do not know. what I can say is that the temperature it shows is close to what the weather people say the temp.s are. I bought it because the local weather people have decided to no longer give the dew points in the forecast. I do know that the higher the dew point reading the device shows the more humid it feels. I also had issue with deciding to just give a date on the map as to when the "Monsoon season" starts and stops. The method of a dew point higher than 55degrees 3 days in a row for the start and below 55 degrees 3 days in a row for the end makes more sense.

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🌿 Master your microclimate with Protmex precision!

READY FOR ANY SETTING - Backlit LCD ensures clear visibility even in dim or dark environments.
SMART POWER MANAGEMENT - Auto shutdown and low battery indicator maximize uptime and convenience.
DATA AT YOUR FINGERTIPS - MIN/MAX tracking and data hold functions keep your critical measurements accessible.
PRECISION YOU CAN TRUST - High-accuracy sensor covers -20℃ to 60℃ and 0-100% RH for reliable data every time.
ALL IN ONE CLIMATE INSIGHT - Combines temperature, humidity, dew point & wet bulb readings for total environmental control.

The Protmex PT6508 is a versatile digital psychrometer combining temperature, humidity, dew point, and wet bulb measurements in one compact device. Designed for professionals in HVAC, agriculture, meteorology, and more, it features a high-accuracy sensor, backlit LCD, data hold, MIN/MAX tracking, and smart power-saving functions, making it an essential tool for precise indoor and outdoor environmental monitoring.

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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.

₱9320

Duties & taxes incl.

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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Product Dimensions	5.99 x 5.99 x 18.39 cm; 310 g
Part number	PPM-TI002-3
Material type	rubber
Power source type	Battery Powered
Manufacturer	PROTMEX
Item model number	CECOMINOD046940
ASIN	B017NF1POE

Protmex PT6508 Temperature Humidity Meter, Digital Thermometer Hygrometer Monitor with Ambient, Dew Point, Wet Bulb for Indoor/Outdoor MIN, MAX, Data Hold, LCD Backlight

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