Triplett GSM400 Portable Indoor Air Quality Monitor - Carbon Dioxide (CO2), Humidity, Temperature, Wet Bulb, Dew Point
Triplett GSM400 Portable Indoor Air Quality Monitor - Carbon Dioxide (CO2), Humidity, Temperature, Wet Bulb, Dew Point
Couldn't load pickup availability
- 24/7 Customer Support
- Risk-Free 30-Day Returns
- Fast & Reliable U.S. Shipping
Contact Information
Contact Information
30-Day Hassle-Free Returns
30-Day Hassle-Free Returns
Not satisfied? Return your order within 30 days for a full refund or exchange — simple and easy.
✔ Easy return process
✔ Fast refunds
✔ No hidden conditions
Fast U.S. Shipping
Fast U.S. Shipping
We ship within the United States only — no international delays.
✔ Processing time: 1–2 business days
✔ Delivery time: 3–7 business days
✔ Real-time tracking available
👉 Track your order anytime from the header via Track Order
About This
- Backlit triple LCD displays measurements of CO2, Temperature (selectable °F/°C), Humidity, Wet Bulb, and Dew Point
- NDIR (non-dispersive infrared) waveguide technology with user-adjustable CO2 alarm level
- Measurement ranges include TWA (Time Weighted Average - 8 hours) and STEL (Short Term Exposure Limit - 15 minute weighted average)
- Min/Max records the highest and lowest readings
- Conserve battery life with Auto Power Off with disable; Includes (4) AA batteries and carrying case
Overview
- Color : Barnwood Wash
- Brand : Triplett
- Item Weight : 190 Grams
- Battery Description : 4 AA
- Mounting Type : Tabletop
WE MAKE SMART LIVING SIMPLE.
OUR TEAM HELPS SECURE YOUR HOME.
SmartHomeValueHub helps homeowners create safer, smarter, and more convenient living spaces with trusted smart home solutions built for everyday life.
From smart security cameras and smart locks to video doorbells, thermostats, lighting, and home automation essentials — we focus on products that improve real comfort, safety, and efficiency.
Our goal is simple: better protection, lower energy costs, and smarter daily living for every home.
Why Homeowners Trust SmartHomeValueHub
✔ Easy Setup
✔ Matter Compatible
✔ Smart Security
✔ Energy Saving
50K
HaSMART DEVICES INSTALLEDppy Clients
15+
YEARS OF SMART HOME EXPERTISE
98%
CUSTOMER SATISFACTION RATE
365
RELIABLE SUPPORT YEAR-ROUND
Smarter Security. Lower Bills. Easier Living.
SMART HOME FAQ
Yes — many modern devices support multiple platforms.
Matter-certified devices can work across Alexa, Google Home, and Apple HomeKit at the same time.
Not always.
Smart bulbs, plugs, cameras, and video doorbells are often easy DIY installations, while full security systems may need professional setup.
Many devices still work manually or through local control.
You may lose remote app access, but locks, lights, and thermostats often continue basic functions.
Security depends on the device and setup.
Use strong passwords, trusted brands, firmware updates, and secure Wi-Fi for better protection. Privacy and unauthorized access are common concerns in smart homes.
Most homeowners start with:
Smart Security Cameras
Smart Door Locks
Smart Thermostats
Smart Plugs
Video Doorbells
Yes.
Smart thermostats and smart plugs help reduce wasted energy by automating heating, cooling, and power usage.
It depends on your ecosystem.
Alexa → widest compatibility
Google Home → strong for Android users
Apple HomeKit → best privacy
Home Assistant → advanced control
Smart Home Tips, Trends & Buying Guides
-
Best Smart Home Security Cameras for Safer Homes
Discover how smart home security cameras improve safety with AI detection, wireless monitoring, night vision, and real-time mobile alerts for modern American homes.
Best Smart Home Security Cameras for Safer Homes
Discover how smart home security cameras improve safety with AI detection, wireless monitoring, night vision, and real-time mobile alerts for modern American homes.
-
Smart Home Hubs Comparison Guide for Smarter Li...
Compare Zigbee, Z-Wave, and Matter smart home hubs to find the best system for better automation, stronger security, and smarter connected living.
Smart Home Hubs Comparison Guide for Smarter Li...
Compare Zigbee, Z-Wave, and Matter smart home hubs to find the best system for better automation, stronger security, and smarter connected living.
-
Smart Thermostats & Energy Saving Guide for Ame...
Learn how smart thermostats reduce utility bills, improve HVAC efficiency, and create smarter home comfort with automation and remote temperature control.
Smart Thermostats & Energy Saving Guide for Ame...
Learn how smart thermostats reduce utility bills, improve HVAC efficiency, and create smarter home comfort with automation and remote temperature control.
