---
product_id: 444489701
title: "BT-881W Heat Stress Meter Anemometer, Digital Indoor/Outdoor WBGT (Wet Bulb Globe Temperature) Meter with Wind Speed, Ambient Temp, Humidity Tester"
brand: "btmeter"
price: "€ 107.88"
currency: EUR
in_stock: true
reviews_count: 7
category: "Btmeter"
url: https://www.desertcart.hr/products/444489701-bt-881w-heat-stress-meter-anemometer-digital-indoor-outdoor-wbgt
store_origin: HR
region: Croatia
---

# 0.1%~99.9% humidity range ±0.6℃ temperature accuracy 0~30m/s wind speed range BT-881W Heat Stress Meter Anemometer, Digital Indoor/Outdoor WBGT (Wet Bulb Globe Temperature) Meter with Wind Speed, Ambient Temp, Humidity Tester

**Brand:** btmeter
**Price:** € 107.88
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay cool, stay safe: Master heat stress like a pro! 🌡️

## Quick Answers

- **What is this?** BT-881W Heat Stress Meter Anemometer, Digital Indoor/Outdoor WBGT (Wet Bulb Globe Temperature) Meter with Wind Speed, Ambient Temp, Humidity Tester by btmeter
- **How much does it cost?** € 107.88 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/444489701-bt-881w-heat-stress-meter-anemometer-digital-indoor-outdoor-wbgt)

## Best For

- btmeter enthusiasts

## Why This Product

- Trusted btmeter brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision You Can Trust:** High-accuracy sensors deliver ±5% wind speed and ±0.6℃ temperature readings for data-driven safety decisions.
- • **Versatile & User-Friendly:** Switch effortlessly between 5 wind units and 2 temperature scales with a backlit LCD and data hold for on-the-go clarity.
- • **All-in-One Climate Command:** Seamlessly measure wind speed, ambient temp, humidity & WBGT with one device—your ultimate heat stress sentinel.
- • **Rugged Portability with Warranty:** Lightweight, calibrated, and backed by 365-day warranty—perfect for demanding outdoor work or active lifestyles.
- • **Smart Alerts for Real-Time Safety:** Custom WBGT alarms notify you instantly when heat stress risks hit critical levels—stay ahead, stay protected.

## Overview

The BTMETER BT-881W is a multifunctional digital anemometer and heat stress meter designed for professionals and outdoor enthusiasts. It accurately measures wind speed (0~30m/s), ambient temperature (±0.6℃ accuracy), humidity (0.1%~99.9% RH), and WBGT to monitor heat stress risks. Featuring customizable WBGT alarms, multiple unit options, a backlit LCD, and a portable design, it’s ideal for construction sites, industrial environments, and outdoor activities requiring precise environmental monitoring.

## Description

BTMETER BT-881W is an anemometer combined with wbgt heat stress meter. so it can measure wind speed, black ball temperature, ambient temperature and humidity etc. A must have for working in hot environment(building construction, iron & steel foundry, brick factory, glass facilities) or playing outside (sailing shooting hunting)Specifications:Wind Speed: 0~90Km/hWind Temperature: 0 ~ 50℃Humidity Range: 0.1% ~ 99.9%RHWindspeed Accuracy: ±5% of readingTemp Accuracy: ±2℃(±3.6°F)Resolution: 0.1%RH, 0.1m/s, 0.2℃WBGT Temperature: 0 ~ 50℃WBGT Alarm Range: 20 ~ 50℃Speed units:m/s, km/h, ft/min, knots, mph More Features:Data HoldWBGT AlarmsAuto Power OFFBacklight LCD DisplayCelsius Fahrenheit OptionsMax / Min Wind Speed MeasurementPacking List:1 x 9V Battery1 x Small screwdriver1 x Portable carrying case1 x Digital Anemometer Heat Stress Meter BT-881W

Review: Invoice - I got the product and its useful for our construction site. But i need the invoice can i get it. Please help.
Review: Ok - Received now. Still not used. But not able to download the invoice. Help me for that

## Features

- 💖【Multifunctional】Not Just a digital anemometer, but also a handheld heat stress meter to check black ball temperature, ambient temperature and humidity. One-button to switch it into an anemometro or heat stess monitor mode.BT-881W could measure windspeed 0~30m/s, test wind temperature 0~50℃，monitor relative humidity 0.1%~99.9%RH, check WBGT temperature 32~122°F(Celsius Fahrenheit Switchable)
- 💖【High Accuracy】With built-in upgraded wind monitor and temp sensor, this portable WBGT heat stress monitor could test air flow with high accuracy of ±5%, 0.1%RH resolution for humidity, ±0.6℃ accuracy and 0.1℃/℉ resolution for temperature.Supports MAX/MIN wind speed measurement modes, smart anemometro for HVAC maintenance, drone driving and dust collection system etc.
- 💖【Portable WBGT monitor】Not only test Wet Bulb Globe Temperature (WBGT),but also alert you with WBGT alarms when black globe temperature (TG) level reaches 20~50℃. Supports Indoor/ Outdoor WBGT measurement modes, to avoid temperature, humidity and direct or radiant sunlight difference and get more accurate heat stress index. Available in boiler room, mining area, military training and marathon outdoor activities etc.
- 💖【Easy to Use】Supports 5 air velocity units(m/s, Ft/min, Knots, Km/h, Mph) and 2 temperature units(Celsius Fahrenheit degree)option. Data hold button to lock and freeze measurement data. Backlit LCD display and auto power off thoughtful features to help you get use of this wind speed gauge WBGT tester easily.
- 💖【Calibrated Anemometre】All BTMETER electrical products have been strictly calibrated before shipment. Quality wbgt thermometer wind meter BT-881W comes with 365 days warranty quality and lifetime technical supports. Just feel relax to place order and get it for your outdoor hiking camping or household AC system air vent balance :)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09WMQTFKD |
| Additional Features | Alarm, Lightweight |
| Are batteries included? | No |
| Brand | BTMETER |
| Brand Name | BTMETER |
| Color | black |
| Customer Reviews | 4.4 out of 5 stars 46 Reviews |
| Display Type | LCD |
| Included Components | 1* 881W Heat Stress Meter and 1* User manual |
| Item Weight | 0.31 Pounds |
| Manufacturer | BTMETER |
| Material | Plastic |
| Material Type | Plastic |
| Model | BT-881W |
| Number of Batteries | 1 9V batteries required. |
| Part Number | BT-881W |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Recommended Uses For Product | Home |
| Recommended uses for product | Home |
| Sensor Technology | Ultrasonic |
| Shape | Rectangular |
| Special features | Alarm, Lightweight |
| Specific Uses For Product | Heat Index |
| Specific uses for product | Heat Index |
| Style Name | Modern |
| Temperature Accuracy | ±2℃ |
| Upper Temperature Range | 50 Degrees Celsius |

## Product Details

- **Brand:** BTMETER
- **Power source:** Battery Powered
- **Recommended uses for product:** Home
- **Special features:** Alarm, Lightweight
- **Specific uses for product:** Heat Index

## Images

![BT-881W Heat Stress Meter Anemometer, Digital Indoor/Outdoor WBGT (Wet Bulb Globe Temperature) Meter with Wind Speed, Ambient Temp, Humidity Tester - Image 1](https://m.media-amazon.com/images/I/61nAKAzHpXL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Invoice
*by B***D on 21 July 2024*

I got the product and its useful for our construction site. But i need the invoice can i get it. Please help.

### ⭐⭐⭐⭐ Ok
*by N***D on 11 July 2024*

Received now. Still not used. But not able to download the invoice. Help me for that

### ⭐⭐⭐⭐ lo tili que ha sido el dispositivo
*by S***E on 6 April 2024*

Me gustó el producto, por la precisión que entrega vs precio está bien. Lo utilizo, para verificar las condiciones internas de invernaderos.

## Frequently Bought Together

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-18*