NAGCO Carbon Dioxide (CO2) Detector Tubes 300-5000 ppm | N10-104-30

The NAGCO N10-104-30 Carbon Dioxide (CO2) Detector Tubes provide direct-reading measurement of carbon dioxide concentrations using a manual gas sampling pump. The standard measurement range is 300–5,000 ppm CO2 using one 100 mL pump stroke with a sampling time of approximately 2 minutes.

For applications requiring measurements outside the standard range, the N10-104-30 can also measure 150–2,500 ppm using two pump strokes or 600–10,000 ppm using a half pump stroke with the appropriate correction factor.

Key Features

• Designed for carbon dioxide (CO2) measurement
• Standard measurement range: 300–5,000 ppm
• Extended measurement ranges: 150–2,500 ppm and 600–10,000 ppm
• Direct-reading colorimetric detector tube
• Standard measurement uses one 100 mL pump stroke
• Approximately 2-minute sample time at standard range
• White to purple color change
• No electrical power required
• Designed for industrial hygiene, safety and field gas measurement applications

Specifications

• Manufacturer: NAGCO
• Part Number: N10-104-30
• Target Gas: Carbon Dioxide (CO2)
• Standard Range: 300–5,000 ppm
• Extended Ranges: 150–2,500 ppm / 600–10,000 ppm
• Standard Pump Strokes: 1
• Standard Sample Volume: 100 mL
• Standard Sample Time: 2 minutes
• Standard Correction Factor: 1.0
• Precision: ≤ ±10% Relative Standard Deviation
• Linearity: r² = 0.993
• Humidity: No effect from 5–85% RH
• Temperature Range: 0–40°C (32–104°F)
• Color Change: White → Purple
• Storage Life: 3 years in darkness at 5–25°C (40–77°F); refrigeration preferred

Measurement Ranges

• 150–2,500 ppm: 2 pump strokes / 200 mL / 2 × 2 minute sample time / correction factor 0.5
• 300–5,000 ppm: 1 pump stroke / 100 mL / 2 minute sample time / correction factor 1.0
• 600–10,000 ppm: 0.5 pump stroke / 50 mL / 1.5 minute sample time / correction factor 2.3

Temperature Correction

• 0°C (32°F): Correction factor 0.90
• 10°C (50°F): Correction factor 0.95
• 21°C (70°F): Correction factor 1.0
• 40°C (104°F): Correction factor 0.95

Cross-Sensitivity & Interferences

NAGCO documents cross-sensitivity testing with carbon monoxide, sulfur dioxide, nitric oxide, ammonia, hydrogen sulfide, hexane, isobutylene and toluene. Sulfur dioxide may produce an apparent reading under certain concentrations. Acid gases are listed as other possible interferences, and ammonia may interfere when present in mixtures. Refer to the NAGCO datasheet for complete cross-sensitivity information and test conditions.

Pump Information

NAGCO recommends using NAGCO detector tubes with NAGCO sampling pumps. CPS Calibrations can assist customers transitioning from another detector tube system with selecting the appropriate NAGCO tube and sampling equipment for their application.

Important: Detector tube readings may be affected by temperature and interfering compounds. Always follow the NAGCO datasheet and pump operating instructions for the specific measurement being performed.

View NAGCO N10-104-30 Carbon Dioxide Detector Tube Datasheet (PDF)