ExtechRH390 Precision Dual Display Hygro Thermometer Psychrometer
Product ID: 277197596
Secure Transaction
Details
- Colourgreen
- BrandExtech
- Product dimensions48W x 229H
- Item weight0.2 Kilograms
- Battery descriptionLithium
💧0-100% RH accuracy ±2%
⏱️Sensor response <30s
🌡️Temp range -4 to 140°F
Frequently Bought Together
Description
🌿 Stay ahead of the curve with precision you can trust!
- ALL INCLUSIVE POWER - Comes with lithium battery included, so you’re ready to measure right out of the box—no downtime, no hassle.
- ERGONOMIC DURABLE - Slim, rubberized sides ensure a secure grip during on-the-go inspections or lab work—style meets function.
- RAPID RESPONSE SENSOR - Capacitance sensor updates humidity readings in under 30 seconds—stay ahead of changing conditions effortlessly.
- WIDE MEASUREMENT RANGE - From freezing cold -4°F to scorching 140°F and full 0-100% humidity coverage, perfect for any professional setting.
- PRECISION AT YOUR FINGERTIPS - Dual display lets you monitor humidity & temperature or dew point simultaneously for smarter environmental control.
The Extech RH390 is a professional-grade dual display hygro-thermometer psychrometer offering precise humidity (0-100%) and temperature (-4 to 140°F) measurements with ±2% accuracy. Featuring a fast-responding capacitance sensor and ergonomic rubberized design, it’s engineered for quick, reliable environmental monitoring in any setting.
Specifications
| Manufacturer | Extech Instruments |
| Part number | RH390 |
| Item Weight | 200 g |
| Product Dimensions | 7.87 x 4.83 x 22.86 cm; 200 g |
| Batteries | 1 Product Specific batteries required. (included) |
| Item model number | RH390 |
| Size | L |
| Color | green |
| Style | Hygro-Thermometer Psychrometer |
| Pattern | Thermometer |
| Voltage | 9 Volts |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Plug Profile | Tabletop |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| tech_spec_battery_description_toys | Lithium |
Common Questions
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Great price for an authentic product. Fast international shipping too!
3 weeks ago
Perfect platform for hard-to-find items. Delivery was prompt.
1 month ago
Shop Global, Save with Desertcart
Value for Money
Competitive prices on a vast range of products
Shop Globally
Serving millions of shoppers across more than 100 countries
Enhanced Protection
Trusted payment options loved by worldwide shoppers
Customer Assurance
Trusted payment options loved by worldwide shoppers.
Desertcart App
Shop on the go, anytime, anywhere.
