Thermo 48iQ ambient CO analyser
Ambient CO analyser

The Thermo Scientific™ 48iQ Carbon Monoxide (CO) Analyzer utilizes gas filter correlation technology to measure the amount of carbon monoxide in the air.
Gases Measured | Carbon Monoxide |
Description | 48iQ Carbon Monoxide Analyzer |
Flow Rate | 1.0 SLPM (1 atm inlet pressure) |
Height (Metric) | 221.48mm |
Depth (Metric) | 609mm |
Linearity | ±1% full scale < 1000 ppm; ±2.5% full scale > 1000 ppm |
Lower Detectable Limit | 0.04ppm (30 second averaging time) |
Approvals and Certifications | CE, TUV-SUD Safety, RFCA-0981-054 |
Response Time | 60 seconds (30 second averaging time) |
Span Drift | ±0.5% reading (24 hour) |
Temperature (Metric) Operating | 5–45 °C (may be safely operated over the range of 0–45 °C) |
Weight (Metric) | 15.6kg |
Width (Metric) | 425mm |
Zero Drift | <0.1 ppm (24 hour) |
Zero Noise | 0.02 ppm RMS (30 second averaging time) |
Measurement Range | 0-10000 (ppm or mg/m3) |
Analog Inputs | 4 Isolated voltage inputs 0–10 V |
Analog Output | 6 Isolated analog voltages outputs, with 4 selectable ranges 6 Isolated analog current outputs, with 2 selectable ranges |
Communication Ports | Serial Ports: 1 RS-232/485 port 1 RS-485 external accessory port Other Ports: 3 Full speed USB ports (one in front, two in rear) 1 Gigabit ethernet port |
Communication Protocols | MODBUS, streaming |
Detection Limit | 0.04 ppm (30 second averaging time) |
Digital Inputs | 16 Digital inputs (TTL) |
Digital Outputs | 10 Digital reed relay contact outputs 8 Solenoid driver outputs |
Power Requirements | 100–240 VAC 50/60 Hz 275 Watts |