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3G Electric
REED INSTRUMENTS R9920 Indoor Air Quality Meter - Gas Analyzers for Carbon Dioxide
REED INSTRUMENTSGas Analyzers for Carbon Dioxide

REED INSTRUMENTS R9920 Indoor Air Quality Meter

<p>The REED INSTRUMENTS R9920 Indoor Air Quality Meter is a versatile gas analyzer designed for monitoring carbon dioxide levels in indoor environments. It measures CO2 with an accuracy of ±5% of reading +75ppm, and…

SKU 3G-OTH-171204

Also listed as: R 9920 · R-9920

Brand
REED INSTRUMENTS
Item
R9920 Indoor Air Quality Meter
Part Number
R9920
Category
Gas Analyzers for Carbon Dioxide
Available to Order
Also known as:R9920REED INSTRUMENTS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

REED INSTRUMENTS
Manufacturer Part Number
R9920
Type
Mount/Internal Time & Date Stamp, Carbon Dioxide
Features
Built-In Desk Stand and Wall Mounting Bracket
Includes
USB Cable
Alert Type
Sound
PPM Accuracy
±5% of Reading + 75ppm
Power Source
Battery
Features Broad
Built-In Mount
Testing Functions
Relative Humidity
Gases Detected - NEW
Carbon Dioxide
Temperature Accuracy
+/-1.8°
Relative Humidity Accuracy
±3.5% from 20 to 80% RH
Digital Display Screen Type
LCD
Calibration Certificate Type
Available Separately

Technical Documents

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REED INSTRUMENTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The REED INSTRUMENTS R9920 Indoor Air Quality Meter is a versatile gas analyzer designed for monitoring carbon dioxide levels in indoor environments. It measures CO2 with an accuracy of ±5% of reading +75ppm, and also tracks relative humidity (±3.5% from 20 to 80% RH) and temperature (±1.8°). The device features a built-in desk stand and wall mounting bracket, a digital LCD display, and a sound alert for high CO2 levels. It includes a USB cable for data connectivity and is powered by battery.</p><p>This meter is ideal for facility managers, HVAC professionals, and safety officers who need to ensure indoor air quality compliance. As a Singapore-based supplier, 3G Electric offers this product with SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What gases does the REED R9920 detect?

The REED R9920 detects carbon dioxide (CO2). It also measures relative humidity and temperature, but its primary gas detection is CO2.

Does the R9920 come with a calibration certificate?

No, the calibration certificate is available separately. The product includes a USB cable and features a built-in desk stand and wall mounting bracket.

Used in

Common applications for REED INSTRUMENTS
Building inspection — REED R6015 pin moisture meter for detecting wood moisture content in flooring and framing
Electrical maintenance — REED R2165-NIST thermal imager for identifying overheating components in switchgear and panels
HVAC diagnostics — REED R2320 infrared thermometer for non-contact temperature measurement of ducts and compressors
Laboratory testing — REED R3525-ELECTRODE pH electrode for water quality analysis in treatment plants
Metal thickness gauging — REED R7920-PROBE replacement probe for ultrasonic thickness measurement of pipes and tanks
Environmental monitoring — REED R6000 humidity/temperature indicator for logging conditions in storage facilities
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REED INSTRUMENTS Products

3G Electric supplies REED INSTRUMENTS gas analyzers for carbon dioxide. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This battery-powered gas analyzer measures carbon dioxide levels, temperature, and relative humidity. It features a triple LCD display with backlight and a sound alert for CO₂ thresholds. Accuracy is ±3% of reading or ±75ppm for CO₂ (0-5000ppm), ±1.5° for temperature, and ±3% for relative humidity. Includes carrying case; calibration certificate available separately
REED INSTRUMENTS
This battery-powered gas analyzer measures carbon dioxide levels, temperature, and relative humidity. It features a triple LCD display with backlight and a sound alert for CO₂ thresholds. Accuracy is ±3% of reading or ±75ppm for CO₂ (0-5000ppm), ±1.5° for temperature, and ±3% for relative humidity. Includes carrying case; calibration certificate available separately

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