--- product_id: 297989962 title: "Sling Psychrometer | Manual Humidity and Temperature Meter |Accurate Dew Point & Relative Humidity Reading |Ideal for HVAC, Weather Monitoring, & Educational Use" brand: "bellstone" price: "¥983" currency: JPY in_stock: false url: https://www.desertcart.jp/products/297989962-sling-psychrometer-manual-humidity-and-temperature-meter-accurate-dew-point store_origin: JP region: Japan --- # Manual swivel for fast airflow No batteries needed Dual precision thermometers Sling Psychrometer | Manual Humidity and Temperature Meter |Accurate Dew Point & Relative Humidity Reading |Ideal for HVAC, Weather Monitoring, & Educational Use **Brand:** bellstone **Price:** ¥983 **Availability:** ❌ Out of Stock ## Summary > 🌬️ Stay ahead of the climate curve with precision you can feel! ## Quick Answers - **What is this?** Sling Psychrometer | Manual Humidity and Temperature Meter |Accurate Dew Point & Relative Humidity Reading |Ideal for HVAC, Weather Monitoring, & Educational Use by bellstone - **How much does it cost?** ¥983 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/297989962-sling-psychrometer-manual-humidity-and-temperature-meter-accurate-dew-point) ## Best For - bellstone enthusiasts ## Why This Product - Trusted bellstone brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Durable plastic casing with protective thermometer covers withstands rugged use in classrooms, job sites, and weather stations. - • **Effortless Operation:** Manual swivel handle ensures quick air circulation for reliable, on-the-spot measurements—no tech skills required. - • **Always Ready, Anywhere:** Fully analog design means zero battery dependency—perfect for fieldwork, HVAC pros, and outdoor weather monitoring. - • **Precision You Can Trust:** Dual dry and wet bulb thermometers deliver accurate dew point and relative humidity readings every time. - • **Versatile & Educational:** Ideal for HVAC specialists, meteorologists, and educators aiming to master humidity and temperature dynamics. ## Overview The Bellstone Sling Psychrometer is a robust, battery-free analog device featuring dual thermometers for precise humidity and temperature measurement. Designed for professionals and educators, it offers fast, reliable readings with a manual swivel handle and durable construction, making it ideal for HVAC, weather monitoring, and classroom use. ## Description Product Description Measure Humidity and Temperature accurately using Sling Psychrometer Measure Air Temperature and Humidity How to measure Relative Humidity ## Features - Dual Precision Thermometers – One dry bulb and one wet bulb thermometer for accurate humidity calculation. - Easy-to-Use Design – Manual swivel handle allows for fast air circulation and reliable results. - No Batteries Required – Fully analog and perfect for field environments and education. - Durable Construction – Strong plastic body with protective thermometer casings. - Educational & Professional Use – Widely used in classrooms, weather stations, and HVAC systems. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08LNBTY9M | | Age Range (Description) | Adult | | Age Range Description | Adult | | Best Sellers Rank | #59,107 in Health & Personal Care ( See Top 100 in Health & Personal Care ) #91 in Thermometers (Health & Personal Care) | | Brand | BELLSTONE | | Brand Name | BELLSTONE | | Colour | Yellow | | Customer Reviews | 4.0 out of 5 stars 1 Review | | Display Type | Analog | | Included Components | Instruction Manual | | Indoor Outdoor Usage | Outdoor | | Manufacturer | Bellstone Hitech International Limited | | Outer Material | Plastic | | Outer Material Type | Plastic | | Packer Contact Information | Bellstone | | Part Number | BHI_22 | | Power Source Type | Analog | | Product Care Instructions | Wipe Clean | | Response Time | 500 Milliseconds | | Reusability | Reusable | | Special Feature | High Accuracy | | Special Features | High Accuracy | | Specification Met | BIS | | Unit Count | 1.0 Count | | Upper Temperature Rating | 50 Degrees Celsius | ## Product Details - **Age Range (Description):** Adult - **Brand:** BELLSTONE - **Colour:** Yellow - **Included Components:** Instruction Manual - **Special Feature:** High Accuracy ## Images ![Sling Psychrometer | Manual Humidity and Temperature Meter |Accurate Dew Point & Relative Humidity Reading |Ideal for HVAC, Weather Monitoring, & Educational Use - Image 1](https://m.media-amazon.com/images/I/31vgipaDamL.jpg) ![Sling Psychrometer | Manual Humidity and Temperature Meter |Accurate Dew Point & Relative Humidity Reading |Ideal for HVAC, Weather Monitoring, & Educational Use - Image 2](https://m.media-amazon.com/images/I/41JlhY1evIL.jpg) ![Sling Psychrometer | Manual Humidity and Temperature Meter |Accurate Dew Point & Relative Humidity Reading |Ideal for HVAC, Weather Monitoring, & Educational Use - Image 3](https://m.media-amazon.com/images/I/41I1ZTDKA3L.jpg) ![Sling Psychrometer | Manual Humidity and Temperature Meter |Accurate Dew Point & Relative Humidity Reading |Ideal for HVAC, Weather Monitoring, & Educational Use - Image 4](https://m.media-amazon.com/images/I/81YEQSFqEGL.jpg) ## Frequently Bought Together - Bellstone Type Fahrenheit Sling Psychrometer Thermometer Plastic Body - LABART Wet & Dry Bulb Hygrometer | Manson's Type | Mercury Filled -5 to 50 °C With Equivalent °F - HTC Instrument 103-CTH Digital Indoor Hygrometer Thermometer with Clock by Supreme Traders Supertronics1989 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/297989962-sling-psychrometer-manual-humidity-and-temperature-meter-accurate-dew-point](https://www.desertcart.jp/products/297989962-sling-psychrometer-manual-humidity-and-temperature-meter-accurate-dew-point) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-05-19*