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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

The REED INSTRUMENTS Indoor Air Quality Meter (MPN R9920) is a battery-powered gas analyzer for carbon dioxide with a built-in LCD display. It detects carbon dioxide and relative humidity, with a PPM accuracy of ±5%…

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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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

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

Product Description

The REED INSTRUMENTS Indoor Air Quality Meter (MPN R9920) is a battery-powered gas analyzer for carbon dioxide with a built-in LCD display. It detects carbon dioxide and relative humidity, with a PPM accuracy of ±5% of Reading + 75ppm, temperature accuracy of +/-1.8°, and relative humidity accuracy of ±3.5% from 20 to 80% RH. The unit features a built-in desk stand and wall mounting bracket, includes a USB cable, and provides a sound alert type. A calibration certificate is available separately.

Frequently Asked Questions

What is the REED INSTRUMENTS R9920 Indoor Air Quality Meter used for?

The REED INSTRUMENTS R9920 is a battery-powered gas analyzer that detects carbon dioxide levels, relative humidity, and temperature. It is commonly used in HVAC assessments, indoor air quality monitoring in offices, schools, and commercial buildings to ensure ventilation and occupant comfort.

What are the specifications of the REED INSTRUMENTS R9920?

The R9920 measures carbon dioxide with a PPM accuracy of ±5% of Reading + 75ppm, temperature accuracy of +/-1.8°, and relative humidity accuracy of ±3.5% from 20 to 80% RH. It features an LCD display, sound alert, built-in desk stand and wall mounting bracket, and includes a USB cable. Power source is battery.

Where to buy the REED INSTRUMENTS R9920 worldwide?

3G Electric supplies the REED INSTRUMENTS R9920 Indoor Air Quality Meter to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to calibrate the REED INSTRUMENTS R9920?

The R9920 requires periodic calibration to maintain accuracy. A calibration certificate is available separately from REED INSTRUMENTS. For best results, send the meter to a qualified calibration lab or follow the manufacturer's recommended schedule. 3G Electric can source calibration services upon request.

Used in

Common applications for REED INSTRUMENTS
Corrosion monitoring — REED TM-8811 ultrasonic thickness gauge for measuring wall thickness from one side
Food and beverage production — REED R9510 digital refractometer for Brix measurement of liquids
Indoor air quality assessment — REED R9905 gas analyzer for CO₂, temperature, and humidity monitoring
Machining and quality control — REED R7406 step-type caliper for precise dimensional measurements
Lighting assessment — REED R8100SD-KIT data logging light meter for daylight and LED intensity logging
Ultrasonic testing — REED ultrasonic couplant gel for use with TM-8811 and R7900 thickness gauges
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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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