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3G Electric
REED INSTRUMENTS R9905 Carbon Dioxide Gas Analyzer with Triple - Gas Analyzers for Carbon Dioxide
REED INSTRUMENTSGas Analyzers for Carbon Dioxide

REED INSTRUMENTS R9905 Carbon Dioxide Gas Analyzer with Triple

The REED INSTRUMENTS R9905 Indoor Air Quality Meter is a gas analyzer for carbon dioxide with a triple LCD display with backlight. It measures temperature and relative humidity, with a PPM accuracy of ±3% of reading…

SKU 3G-OTH-171211

Also listed as: R 9905 · R-9905

Brand
REED INSTRUMENTS
Item
R9905 Carbon Dioxide Gas Analyzer with Triple
Part Number
R9905
Category
Gas Analyzers for Carbon Dioxide
Available to Order
Also known as:R9905REED 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

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

REED INSTRUMENTS
Manufacturer Part Number
R9905
Type
Carbon Dioxide, Sound
Alert Type
Sound
Mfr. Model
R9905
Battery Size
9V
Features Broad
LCD Display
Battery Voltage
9V
Battery Run Time
10
Gases Detected - NEW
Carbon Dioxide
Temperature Accuracy
+/-1.5°
Number of Records Stored
32,000
Manufacturer Warranty Length
1
Maximum Temperature Measured
140
Minimum Temperature Measured
-4
Minimum Carbon Dioxide Measured
0
Minimum Relative Humidity Measured
0

Technical Documents

(1)
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REED INSTRUMENTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The REED INSTRUMENTS R9905 Indoor Air Quality Meter is a gas analyzer for carbon dioxide with a triple LCD display with backlight. It measures temperature and relative humidity, with a PPM accuracy of ±3% of reading or ±75ppm (0 to 5,000ppm) and temperature accuracy of +/-1.5°. The meter is battery-powered, includes a carrying case, and features a sound alert type.

Frequently Asked Questions

What is the REED INSTRUMENTS R9905 Indoor Air Quality Meter used for?

The REED INSTRUMENTS R9905 measures carbon dioxide levels, temperature, and relative humidity in indoor environments. It is commonly used by HVAC technicians, facility managers, and safety inspectors to monitor air quality in offices, schools, and industrial spaces. The triple LCD display shows readings simultaneously, and the sound alert notifies users when CO₂ exceeds set thresholds.

What are the specifications of the REED INSTRUMENTS R9905?

The R9905 detects carbon dioxide with a PPM accuracy of ±3% of reading or ±75ppm from 0 to 5,000ppm. Temperature accuracy is +/-1.5°, and relative humidity accuracy is ±3% from 10 to 90% RH. It features a triple LCD display with backlight, runs on battery power, includes a carrying case, and offers a sound alert type. Calibration certificates are available separately.

Where to buy the REED INSTRUMENTS R9905 worldwide?

3G Electric supplies the REED INSTRUMENTS R9905 Indoor Air Quality Meter to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact our team to place an order or request a quote for this gas analyzer.

How to calibrate the REED INSTRUMENTS R9905?

The REED INSTRUMENTS R9905 requires periodic calibration to maintain accuracy. A calibration certificate is available separately from the manufacturer. For best results, send the meter to a certified calibration lab or follow the procedures in the user manual. Regular calibration ensures reliable CO₂, temperature, and humidity readings in indoor air quality monitoring.

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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