--- product_id: 279002812 title: "Wearable 2-in-1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress Meter Air Globe Temperature Humidity Tester with Dangerous Level Indicator Audible Alarm" brand: "gain express" price: "€ 103.02" currency: EUR in_stock: true reviews_count: 3 category: "Gain Express" url: https://www.desertcart.hr/products/279002812-wearable-2-in-1-wbgt-hi-heat-index-checker-wet store_origin: HR region: Croatia --- # Adjustable audible alarm & LED warnings Wearable with arm strap for on-the-go use Measures air, globe & heat index temps Wearable 2-in-1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress Meter Air Globe Temperature Humidity Tester with Dangerous Level Indicator Audible Alarm **Brand:** gain express **Price:** € 103.02 **Availability:** ✅ In Stock ## Summary > 🔥 Stay cool, stay safe — the ultimate wearable heat stress guardian! 🌞 ## Quick Answers - **What is this?** Wearable 2-in-1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress Meter Air Globe Temperature Humidity Tester with Dangerous Level Indicator Audible Alarm by gain express - **How much does it cost?** € 103.02 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/279002812-wearable-2-in-1-wbgt-hi-heat-index-checker-wet) ## Best For - gain express enthusiasts ## Why This Product - Trusted gain express brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Mode Measurement:** Switch between direct sun exposure and shaded readings for real-world accuracy. - • **Trusted Industry Standard:** Complies with ISO 7243 & OSHA guidelines, perfect for construction, mining, and athletics. - • **Customizable Danger Alerts:** Programmable buzzer and red LED warn you before heat stress hits critical levels. - • **Wearable & Hands-Free Design:** Arm strap included for seamless outdoor monitoring during work or sports. - • **Precision Heat Stress Monitoring:** Accurately tracks WBGT & Heat Index to keep you safe in extreme conditions. ## Overview The GAIN EXPRESS Wearable 2-in-1 WBGT + HI Heat Index Checker is a compact, professional-grade heat stress meter that measures air temperature, globe temperature, humidity, and heat index with high accuracy. Featuring a wearable arm strap and tripod mount, it offers real-time monitoring with programmable audible alarms and LED danger indicators. Designed to meet ISO 7243 and OSHA standards, it’s ideal for construction sites, industrial environments, and outdoor sports, helping professionals proactively manage heat-related risks. ## Description Features:Direct measurement of the radiation effect with ABS black ballProgrammable buzzer & red LED danger zone warningAdjustable audible alarm volume (75dB/60dB/mute)Specifications:Measurement RangeAir Temperature: 0~50°C (32~122°F)Globe Temperature (Inside black ball): 0~70°C (32~158°F)WBGT Temperature: 0~50°C (32 ~ 122°F)Alarm range: 20~50°C (68 ~ 122°F)HI Temperature: 0~60°C (32 ~ 140°F)Alarm range: 20~60°C (68 ~ 140°F)Humidity: 0.1~99.9%RHAccuracyAir Temperature: ±0.6°CHumidity: 10~90%RH@25°C: Typical 5%, others 7%Dangerous Level IndicatorCautionWBGT: 26.7~29.4°C (80~84.9°F)HI: 27~31.9°C (80.6~89.4°F)Extreme CautionWBGT: 29.4~31°C (85~87.9°F)HI: 32~40.9°C (89~105.6°F)DangerWBGT: 31~32.2°C (88~89.9°F)HI: 41~53.9°C (105.7~129°F)Extreme DangerWBGT: >32.2°C (>90°F)HI: ≥54°C (>129°F)Resolution: 0.1°C / °F, 0.1%RHBlackball size: 40mm diameterStabilization time: 15~25min typicalOperating condition: 0~50°C, <80% RHStorage condition: -20~50°C, <90% RHSet Includes:1 x WBGT + HI Meter2 x AAA Size batteries 1 x Arm Strap2 x BucklesEnglish Instruction ManualStandard Factory Packaging Review: worked exactly as promised. small compact and wearable. I will be buying more for employees Review: Nice little meter, adjust pretty quickly to temperature. However it seems a little delicate for everyday use on a construction site. ## Features - Measures air temperature, globe temperature, humidity and heat stress index - Comes with arm strap, making it easy to monitor your outdoor activities. It can also be mounted in a tripod. - Reset function which allows you reset it to the default settings - Switchable IN/OUT function displays the wbgt value with or without direct sun exposure, Direct measurement of the radiation effect on an exposed surface with ABS black ball - Largely Used in construction, iron and steel foundries, mining sites, marathon, beach activities and so on. It is suggested instrument in international standard ISO 7243 and governments such as OSHA (US Occupational Safety & Health Administration) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08FHTJTTS | | Brand | GAIN EXPRESS | | Color | Wearable WBGT + HI Checker | | Customer Reviews | 3.8 3.8 out of 5 stars (22) | | Date First Available | 26 August 2020 | | Item Weight | 90 g | | Material | absylux | | Model Number | 87784 | | Product Dimensions | 18 x 0.03 x 0.03 cm; 90 g | | Special Features | Adjustable audible alarm, Programmable buzzer & red LED danger zone warning, Wearable design (comes with arm strap) or mount in a tripod | ## Product Details - **Battery description:** 2 x AAA batteries - **Brand:** GAIN EXPRESS - **Colour:** Wearable WBGT + HI Checker - **Item weight:** 90 Grams - **Mounting type:** Tripod Mount ## Images ![Wearable 2-in-1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress Meter Air Globe Temperature Humidity Tester with Dangerous Level Indicator Audible Alarm - Image 1](https://m.media-amazon.com/images/I/61kXO44XH3L.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by S***S on 22 September 2022* worked exactly as promised. small compact and wearable. I will be buying more for employees ### ⭐⭐⭐⭐ Review *by T***S on 16 July 2024* Nice little meter, adjust pretty quickly to temperature. However it seems a little delicate for everyday use on a construction site. ### ⭐⭐⭐ Review *by P***B on 16 July 2022* Cross Country workouts — need to have these readings to keep your athletes safe. It’s hotter out there than you think! ## Frequently Bought Together - Wearable 2-in-1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress Meter Air Globe Temperature Humidity Tester with Dangerous Level Indicator Audible Alarm - BTMETER BT-881W Heat Stress Meter Anemometer, Digital Indoor/Outdoor WBGT (Wet Bulb Globe Temperature) Meter with Wind Speed, Ambient Temp, Humidity Tester --- ## 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.hr/products/279002812-wearable-2-in-1-wbgt-hi-heat-index-checker-wet](https://www.desertcart.hr/products/279002812-wearable-2-in-1-wbgt-hi-heat-index-checker-wet) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-13*