---
product_id: 49398871
title: "TEKCOPLUS Portable Digital Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ CO2 Monitor Wet Bulb Temperature (WB) Dew Point (DP) Tester CO2 Monitor for Indoor Air Quality (IAQ) Diagnosis"
brand: "tekcoplus"
price: "S$357"
currency: SGD
in_stock: true
reviews_count: 3
category: "Tekcoplus"
url: https://www.desertcart.sg/products/49398871-tekcoplus-portable-digital-temperature-humidity-indoor-9999ppm-ndir-sensor-iaq
store_origin: SG
region: Singapore
---

# Adjustable audible CO2 alarm Triple temp & humidity display NDIR sensor for ultra-accurate CO2 TEKCOPLUS Portable Digital Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ CO2 Monitor Wet Bulb Temperature (WB) Dew Point (DP) Tester CO2 Monitor for Indoor Air Quality (IAQ) Diagnosis

**Brand:** tekcoplus
**Price:** S$357
**Availability:** ✅ In Stock

## Summary

> 🌬️ Breathe Smart, Work Smarter — Your Ultimate Indoor Air Quality Sidekick

## Quick Answers

- **What is this?** TEKCOPLUS Portable Digital Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ CO2 Monitor Wet Bulb Temperature (WB) Dew Point (DP) Tester CO2 Monitor for Indoor Air Quality (IAQ) Diagnosis by tekcoplus
- **How much does it cost?** S$357 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/49398871-tekcoplus-portable-digital-temperature-humidity-indoor-9999ppm-ndir-sensor-iaq)

## Best For

- tekcoplus enthusiasts

## Why This Product

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

## Key Features

- • **Portable Powerhouse:** Lightweight (132g) and battery-powered for on-the-go IAQ diagnostics wherever your professional environment demands.
- • **Precision You Can Trust:** Stable NDIR sensor delivers ±50ppm accuracy up to 2000ppm CO2 for reliable indoor air quality insights.
- • **User-Friendly & Versatile:** Backlight, data hold, min/max tracking, and easy manual calibration make monitoring effortless and adaptable to your needs.
- • **Smart Alerts for Safer Spaces:** Customizable audible alarm instantly notifies you when CO2 levels exceed safe thresholds—perfect for busy offices or fitness studios.
- • **Comprehensive Climate Snapshot:** Simultaneously monitor temperature (°F/°C), humidity, wet bulb, and dew point on a crisp triple display.

## Overview

The TEKCOPLUS Portable Digital CO2 Monitor combines advanced NDIR sensor technology with a triple display for temperature, humidity, wet bulb, and dew point readings. Designed for professional indoor air quality diagnostics, it features an adjustable audible alarm, user-friendly controls, and portable design, making it ideal for offices, labs, hotels, and fitness centers seeking precise, real-time environmental monitoring.

## Description

TEKCOPLUS Portable Digital Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ CO2 Monitor Wet Bulb Temperature (WB) Dew Point (DP) Tester CO2 Monitor for Indoor Air Quality (IAQ) Diagnosis : desertcart.co.uk: DIY & Tools

Review: Easy to use - Looks easy to use, does what it needs to do out of the box which is just what I want. I Need it for monitoring ventilation levels in fitness classes with the covid regulations.
Review: Great seller - Great seller. As described. Thank you.

## Features

- TRIPLE DISPLAY - Temperature (°F/ °C) and Humidity (Air, Wet Bulb, or Dew Point Info are all available)
- IDEAL INDOOR AIR QUALITY METER FOR HOME - Stable NDIR Sensor for CO2 Detection for laboratories, hotels, etc
- MULTI FUNCTIONS FEATURES - BackLight , Hold Data , Min/Max, Auto / Manual power off ,Easy manual calibration on CO2 and humidity
- NON-DISPERSIVE INFRARED TECHNOLOGY -NDIR SENSOR for CO2 DETECTION used to ensure the reliability and long-term stability. Measures 0~9999ppm while 0~2000ppm can maintain a high accuracy at +/- 50pp
- AUDIBLE SOUND ALARM- The alarm beeps when the CO2 Level exceeds the preset value. The alarm threshold is adjustable.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01KTJL6OK |
| Alarm | Audible |
| Best Sellers Rank | 370,296 in DIY & Tools ( See Top 100 in DIY & Tools ) 95 in CO2 Detectors |
| Brand | TEKCOPLUS |
| Colour | Without CD Software & Adaptor |
| Country of Origin | China |
| Customer Reviews | 4.2 out of 5 stars 203 Reviews |
| Included Components | CO2 Meter |
| Item Dimensions D x W x H | 35.3D x 7.1W x 22.4H centimetres |
| Item Weight | 132 g |
| Item weight | 132 g |
| Manufacturer | TekcoPlus Ltd |
| Material | ABS |
| Model Number | COTK-57 |
| Operating Humidity | 0-95 percent |
| Power source | Battery Powered |
| Product Style | Digital CO2 Meter |
| Product dimensions | 35.3D x 7.1W x 22.4H centimetres |
| Sensor Type | NDIR Sensor |
| Style | Digital CO2 Meter |
| UPC | 713072686026 713072682325 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 60 Degrees Celsius |

## Product Details

- **Brand:** TEKCOPLUS
- **Style:** Digital CO2 Meter
- **Power source:** Battery Powered
- **Colour:** Without CD Software & Adaptor
- **Item weight:** 0.29 Pounds
- **Alarm:** Audible
- **Operating humidity:** 0-95 percent
- **Upper temperature rating:** 60 Degrees Celsius
- **Sensor type:** NDIR Sensor
- **Number of items:** 1

## Images

![TEKCOPLUS Portable Digital Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ CO2 Monitor Wet Bulb Temperature (WB) Dew Point (DP) Tester CO2 Monitor for Indoor Air Quality (IAQ) Diagnosis - Image 1](https://m.media-amazon.com/images/I/61ug6rENQIL.jpg)
![TEKCOPLUS Portable Digital Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ CO2 Monitor Wet Bulb Temperature (WB) Dew Point (DP) Tester CO2 Monitor for Indoor Air Quality (IAQ) Diagnosis - Image 2](https://m.media-amazon.com/images/I/71dSK-tPeQL.jpg)
![TEKCOPLUS Portable Digital Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ CO2 Monitor Wet Bulb Temperature (WB) Dew Point (DP) Tester CO2 Monitor for Indoor Air Quality (IAQ) Diagnosis - Image 3](https://m.media-amazon.com/images/I/713EyY2FKRL.jpg)
![TEKCOPLUS Portable Digital Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ CO2 Monitor Wet Bulb Temperature (WB) Dew Point (DP) Tester CO2 Monitor for Indoor Air Quality (IAQ) Diagnosis - Image 4](https://m.media-amazon.com/images/I/81d9xdZgjwL.jpg)
![TEKCOPLUS Portable Digital Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ CO2 Monitor Wet Bulb Temperature (WB) Dew Point (DP) Tester CO2 Monitor for Indoor Air Quality (IAQ) Diagnosis - Image 5](https://m.media-amazon.com/images/I/71JqHPQA6pL.jpg)

## Questions & Answers

**Q: How often should I calibrate the CO2 monitor?**
A: For best results, calibrate the CO2 monitor every six months or whenever you notice a significant drift in readings

**Q: Can I use the monitor without the 9V adaptor?**
A: Yes, the monitor can run on the included batteries. The 9V adaptor is optional for continuous power.

**Q: Is the PC connection cable included?**
A: No, the PC connection cable is not included. It can be purchased separately if needed for advanced data analysis.

**Q: How loud is the sound warning alarm?**
A: The sound warning alarm is loud enough to alert you to high CO2 levels but not excessively loud to cause disturbance.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to use
*by M***. on 29 October 2020*

Looks easy to use, does what it needs to do out of the box which is just what I want. I Need it for monitoring ventilation levels in fitness classes with the covid regulations.

### ⭐⭐⭐⭐⭐ Great seller
*by A***R on 6 August 2018*

Great seller. As described. Thank you.

### ⭐⭐⭐⭐⭐ Thank you
*by S***I on 5 August 2019*

Happy

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-12*