Free US Shipping
Every order, no minimum
Fast Delivery
Arrives in 2–7 business days
Secure Checkout
256-bit SSL
15,000+ Products
19 categories
Mechanical Barometer 3.94" – High-Precision Wall-Mounted & Handheld, Battery-Free Weather Gauge for Greenhouse, Lab & Garden
Mechanical Barometer 3.94" – High-Precision Wall-Mounted & Handheld, Battery-Free Weather Gauge for Greenhouse, Lab & Garden
High-Precision Mechanical Barometer – No Batteries Required
Monitor atmospheric pressure with confidence using this 3.94-inch mechanical barometer. Engineered for accuracy and built to last, it operates entirely without batteries — making it a reliable, maintenance-free tool for professionals and hobbyists alike.
Key Features
- Dual-Use Design: Wall-mounted or handheld — versatile for any setting
- Battery-Free Operation: Purely mechanical mechanism, zero power required
- High-Precision Dial: 3.94" (100mm) face for clear, accurate readings
- Wide Application: Greenhouses, warehouses, laboratories, museums, gardens, factories, and livestock farms
- Durable Construction: Built for long-term indoor and outdoor use
Specifications
| Dial Diameter | 3.94 inches (100mm) |
|---|---|
| Mounting | Wall-mounted / Handheld |
| Power Source | None (battery-free) |
| Measurement | Atmospheric pressure (barometric) |
| Suitable Environments | Greenhouse, warehouse, lab, museum, garden, factory, farm |
Ideal Use Scenarios
Whether you're managing a greenhouse climate, monitoring conditions in a laboratory or museum, or simply tracking weather patterns in your backyard garden, this barometer delivers consistent, accurate readings without any power source.
Frequently Asked Questions
How is it powered?
None (battery-free)
How does it mount?
Wall-mounted / Handheld
Does it have dual-use design:?
Dual-Use Design: Wall-mounted or handheld — versatile for any setting