The graph on the picture seems to be up to 96 seconds, is it capable of showing data/readings for a longer period of time?

It goes to 24 hours but you can’t choose it does it automatically for you. I expected to be able to see the last 96 seconds on the graph but after 96 seconds it switches to 0-48 minutes and then larger intervals but the bar on the graph averages in more time to represent one bar as time goes on. It is not all that useful because once it gets past 96 seconds small changes in air quality sort of get lost to being averaged out with the other chunk of data for each bar on the graph. If you leave it on for hours at a time the graph is all pretty much just equal bars bc changes get averaged out too much.

can this device store monitored data and can I transfer monitored data to computer?can I use it for outdoors?

Store: No, Transfer: No, Outdoors: Yes, but don't get wet and do not use if it maxes out the particle count as it can damage it. But if you're maxing it out, you should probably not be outdoors at that location :)

how long does each sensor last? Several sensors from M10, M1000's only last for 3 years, do that apply to this one too?

The sensor life is 3 years for particle sensor

How do you perform initial calibration? The manual says leave it outside for 6 hrs but doesn't say if it should be on or in a specific mode.

Please keep it powered off in a ventilated place for 6hrs for calibration.

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Temtop Air Quality Monitor CO2 PM2.5 PM10 Formaldehyde Data Export Particles Air Quality Detector, Temperature Humidity Display, M2000 2nd

Product ID: 420535935

Details

Brand
Temtop
Item dimensions L x W x H
28.4 x 13.6 x
Item weight
910 Grams
Response time
2 seconds
Style
Data

📊3+ months continuous data logging

🔋Rechargeable large capacity battery

🟢SenseAir NDIR CO2 sensor

Description

🌬️ Breathe Smart, Live Better — Your Air’s Best Ally

TRUSTED SUPPORT WARRANTY - 12-month warranty and 24/7 expert customer support for peace of mind.
INSTANT VISUAL AUDIO ALERTS - Colorful TFT display + customizable alarm thresholds keep you ahead of pollution spikes.
SEAMLESS DATA EXPORT CALIBRATION - USB export for deep analysis + built-in calibration ensures precision you can trust.
PORTABLE POWERHOUSE FOR ANY ENVIRONMENT - Ergonomic design with rechargeable battery—perfect for home, office, lab, or travel.
8 IN 1 MULTIFUNCTIONAL AIR QUALITY MASTER - Monitor CO2, PM2.5, PM10, HCHO, particles, temperature & humidity with pro-grade sensors.

The Temtop M2000 2nd Generation Air Quality Monitor combines elite SenseAir NDIR CO2 sensing with advanced particle and formaldehyde detection, delivering real-time, multi-parameter air quality insights. Featuring a vibrant TFT display, customizable alarms, over 3 months of continuous data logging, and USB data export, it’s designed for professionals who demand precision and portability in any setting. Backed by a rechargeable battery and comprehensive support, it’s the ultimate tool to stay ahead of indoor and outdoor air pollution.

Specifications

ASIN	B085C4KRH4
Brand	Temtop
Customer Reviews	4.3 4.3 out of 5 stars (229)
Global Trade Identification Number	00757233347883
Item Dimensions	28.4 x 13.6 x 19.4 centimetres
Item Weight	910 Grams
Manufacturer	Elitech
Manufacturer Part Number	M2000 2nd Generation
Model Number	M2000 2nd Generation
Response Time	2 seconds
Style Name	Data Export+HCHO/PM2.5/PM10/CO2/Particles
UPC	757233347883
Unit Count	1.0 count

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