---
product_id: 76024794
title: "CO250 Portable Indoor Air Quality CO2 Meter/Datalogger"
brand: "extech"
price: "$36635"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/76024794-co250-portable-indoor-air-quality-co2-meter-datalogger
store_origin: MX
region: Mexico
---

# TWA & STEL exposure stats Portable with included AA batteries Multi-sensor: CO2, temp, humidity CO250 Portable Indoor Air Quality CO2 Meter/Datalogger

**Brand:** extech
**Price:** $36635
**Availability:** ✅ In Stock

## Summary

> 🌬️ Breathe smarter, work safer — the CO250 keeps your air quality in check!

## Quick Answers

- **What is this?** CO250 Portable Indoor Air Quality CO2 Meter/Datalogger by extech
- **How much does it cost?** $36635 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/76024794-co250-portable-indoor-air-quality-co2-meter-datalogger)

## Best For

- extech enthusiasts

## Why This Product

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

## Key Features

- • **Reliable Brand Backing:** From Extech, a trusted name in precision environmental instruments.
- • **Advanced Exposure Analytics:** Calculate 8-hour TWA and 15-minute STEL to ensure workplace safety compliance.
- • **Ready to Use Out of the Box:** Includes 4 AA batteries so you can start monitoring immediately—no extra purchases needed.
- • **Compact & Lightweight Design:** Weighing just 190g and pocket-sized for effortless portability during inspections.
- • **Comprehensive Air Quality Monitoring:** Track CO2, temperature, humidity, dew point & wet bulb for a full environmental snapshot.

## Overview

The Extech CO250 is a portable indoor air quality meter and datalogger that measures CO2, temperature, humidity, dew point, and wet bulb. It calculates critical exposure metrics like TWA and STEL, comes lightweight and compact with included AA batteries, making it ideal for professionals ensuring safe and healthy indoor environments.

## Description

CO250 Portable Indoor Air Quality CO2 Meter/Datalogger

## Features

- Measures carbon dioxide (CO2), temperature, humidity, dew point, and wet bulb
- Checks for carbon dioxide (co2) concentrations
- Calculates statistical weighted averages of TWA (8 hour time weighted average) and STEL (15 minute short term exposure limit)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Extech |
| Manufacturer | Extech |
| Model number | CO250 |
| Number of Memory Sticks | 1 |
| Item Weight | 190 g |
| Product Dimensions | 7 x 5.7 x 20 cm; 189.94 g |
| Batteries | 4 AA batteries required. (included) |
| Item model number | CO250 |
| Item Height | 20 Centimeters |
| Item Width | 5.7 Centimeters |
| Are batteries included? | Yes |
| Lithium Battery Packaging | Batteries contained in equipment |
| Lithium battery weight | 190 g |
| Number of lithium metal cells | 1 |

## Images

![CO250 Portable Indoor Air Quality CO2 Meter/Datalogger - Image 1](https://m.media-amazon.com/images/I/71tSenpNJtL.jpg)

## Questions & Answers

**Q: Does it data logging? If so, how can the data is recovered?**
A: Built-in RS-232 interface for capturing readings on PC * Data acquisition software and cable included to record and document CO2, Humidity and Temperature data

**Q: Does it come with certificate of calibration?**
A: The standard calibration price is $195. and the option is NIST Certificate. this will add 1 week to your order.

**Q: If one does not pay to have it calibrated as in the other answer, how does the meter establish a baseline?**
A: Turn it on outside for baseline readings.

**Q: Can it be calibrated at a later date?**
A: Thank you for your question. The calibration for new item is made by the manufacturer, so it is not possible to set up the later date.

## Frequently Bought Together

- Extech CO250 Portable Indoor Air Quality CO2 Meter/Datalogger
- Extech LT45 LED Light Meter

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**Shop now:** [https://www.desertcart.mx/products/76024794-co250-portable-indoor-air-quality-co2-meter-datalogger](https://www.desertcart.mx/products/76024794-co250-portable-indoor-air-quality-co2-meter-datalogger)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-07*