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🌍 Master your environment with precision — don’t let humidity catch you off guard!
The Protmex PT618 is a professional-grade digital psychrometer that measures temperature, humidity, wet bulb, and dew point with high accuracy. Featuring a dual LCD display, data hold, min/max tracking, backlight, and auto shutdown, it’s designed for versatile indoor and outdoor use across HVAC, agriculture, meteorology, and more. Compact and battery-powered, it delivers reliable environmental insights to keep your spaces perfectly controlled.
| ASIN | B07Z1T8P7J |
| Battery Description | Alkaline |
| Best Sellers Rank | #12,802 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6 in Humidifier Humidity Meters |
| Brand | Protmex |
| Brand Name | Protmex |
| Customer Reviews | 4.3 out of 5 stars 193 Reviews |
| Included Components | 3 x AAA Batteries, 1 x Packing Bag, 1 x Use Manual |
| Item Length | 7.08 inches |
| Item Weight | 0.27 kg |
| Manufacturer | PROTMEX |
| Model | PPT-MS6508 |
| Mounting Type | Tabletop |
| Operating Humidity | 0.0% ~ 99.9%RH |
| Part Number | PPT-MS6508 |
| Temperature Accuracy | 1 |
| Unit Count | 1 Count |
| Upper Temperature Range | 140 °F |
| Upper Temperature Rating | 140 °F |
| Voltage | 1.5 volts |
A**R
Dry spaces
Works great arrived timely. This product allowed us to discover that our in-house humidity detectors were not working properly.
K**F
Temperature and humidity meter
Great for the price. Good for checking temperature and humid levels around the house
J**K
Good tools
Good tools
A**D
Solid economy buy
Works good
S**Y
Awesome & Accurate!
I have been searching and wasting money on other hygrometers so I was tickled to find this! It is very sturdy and well made. When you incubate peafowl chicks, you must have accurate readings! You can trust this one!
S**R
Gets wet and stops working
Doesn't work when wet. the design allows water to seep into the battery case. Sad.
M**Y
Accuracy
Nothing
A**R
Just needed a reliable instrument to measure humidity.
So far so good!
T**H
Edit. Works good now after debugging
Humidity was off at first but after contacting Protech ca, they sent me instructions on how to fix it. Works good now.
M**Z
great product
Love it easy to read
C**N
Kinda slow.
Temperature readings precise. Rh readings are higher than those of thermostat by 7-8%
J**T
works great
Fast shipping and easy to use meter.
G**Y
Humidity Sensor is not accurate
After using for 2+ years we tested and compared to others and the humidity on this device shows 20-25% higher then actual.
Trustpilot
2 weeks ago
2 weeks ago