TENMARS ST-501 CO₂, Temperature, and Relative Humidity Monitor/Tester

Product details
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CO₂, Temperature, and Relative Humidity Monitor/Tester — Air Quality Monitor, TENMARS

Model

ST-501

Color: Red

If you are interested in more details, you can find full information on the seller's page.

€470.02

Last price update: 10/21/26

Available to order

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Delivery to

United States

Available

Product details

Features

USB data logging is stated
Parts warranty term: 3 years
Labor warranty term: 1 year
Measures CO₂, temperature, and relative humidity

A CO₂, temperature, and relative humidity monitor/tester with USB data logging. The stated warranty terms are 3 years for parts and 1 year for labor.

General specs

Brand: TENMARS
Model: ST-501
Seller: Newegg
ID: 9SIC61GKUV0940
Pack: 1 pack
Brand: TENMARS
Model Name: ST-501
Part Number: ST- 501
Product Type: CO₂, temperature, and relative humidity monitor/tester
USB data logging: USB data logging is stated
Labor warranty term: 1 year
Parts warranty term: 3 years
Measurement Functions: Measures CO₂, temperature, and relative humidity
First listed by seller: October 21, 2026

Similar products comparison

	This item	Recommendations
	TENMARS ST-501 Red Measures CO₂, temperature, and relative humidity	TENMARS TM-182 Red Supports data logging	Desktop Indoor Air Quality CO2 Monitor Red Parts warranty term: 3 years	VEVOR AGc25 Accurate CO₂ tracking	VEVOR AGc06 Dual outlets CO2 monitor and controller	TES TES-5321 Red PM2.5 measurement range: 0 to 500 mg/m3
Brand	TENMARS	TENMARS	CEM	VEVOR	VEVOR	TES
Model	ST-501	TM-182		AGc25	AGc06	TES-5321
Color	Red	Red	Red			Red
Price	€470.02	€177.46	€189.90	€83.73	€75.21	€254.43
Seller	Newegg	Newegg	Newegg	Vevor	Vevor	Newegg
Update	Nov 12, 2026	Nov 12, 2026	Nov 12, 2026	Nov 12, 2026	Nov 12, 2026	Nov 12, 2026
Pack	1 pack	1 pack	1 pack			1 pack
Model Name	ST-501	TM-182				TES-5321
Part Number	ST- 501	TM - 182	DT-802			5321
Product Type	CO₂, temperature, and relative humidity monitor/tester	Temperature and humidity meter	Desktop indoor air quality CO2 monitor	Carbon Dioxide Monitoring Controller, CO2 Meter Monitor, Dual Outlets Carbon Dioxide Controller	Carbon Dioxide Monitoring Controller, CO2 Monitor, CO2 Controller	PM2.5 air quality monitor
Labor warranty term	1 year	1 year	1 year
Parts warranty term	3 years	3 years	3 years

TENMARS ST-501 Red Measures CO₂, temperature, and relative humidity

€470.02

View on seller's site

When this device makes sense

Choose Your Reading

Choose by the reading you need: temperature and relative humidity, PM2.5, CO2, or a documented combination. Check the exact model before buying.

Purifier or Monitor First

Should you buy an air purifier or air quality monitor first? This guide compares immediate relief against diagnostic insight to help you decide.

Humidifier Size Guide

Choose a humidifier for a bedside area, bedroom, or large room by weighing tank size, runtime, refill hassle, and humidity readings.

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