The AimSafety PM150-CO2 is a rechargeable single-gas personal monitor that measures carbon dioxide (CO2) from 0 to 50,000 ppm (0 to 5 % by volume) with a nondispersive infrared (NDIR) sensor and low, high, STEL and TWA alarms.
Specifications on this page are taken from the PM150-CO2 Data Sheet (Macurco, 1/2026), PM150-CO2 User Manual Rev. 1.0 and the AimSafety line card.
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Key Features
Technical Specifications
| Gas Detected | Carbon dioxide (CO2) |
|---|---|
| Measuring Range | 0 to 50,000 ppm, or 0 to 5.0 % by volume |
| Resolution | 100 ppm |
| Sensor Type | Nondispersive infrared (NDIR) |
| Sensing Method | Diffusion |
| Sensor Life | Approximately 7 years |
| Low Alarm | 5,000 ppm (0.5 % Vol) |
|---|---|
| High Alarm | 10,000 ppm (1.0 % Vol) |
| STEL | 30,000 ppm (3.0 % Vol) |
| TWA | 5,000 ppm (0.5 % Vol) |
| Audible | 90 dB at 10 cm |
| Visual | Red flashing LEDs and on-screen indication |
| Tactile | Vibration alarm |
| Set Points | User selectable via PC software |
| Battery | Rechargeable lithium-ion polymer, 500 mAh |
|---|---|
| Battery Life | Approximately 3 to 5 years |
| Charging | USB Type-C, approximately 100 minutes from empty with the unit powered off |
| Runtime | Up to 7 days continuous |
| Data Logging | 1-minute intervals, approximately 64,000 records |
| Event Logging | 30 most recent events |
| Dimensions | 3.6 in. (H) x 2.2 in. (W) x 1.6 in. (D) (9.1 x 5.66 x 4 cm) |
|---|---|
| Weight | 3.3 oz. (93 g) |
| Housing Material | Rubber enclosure |
| Color | Gray |
| Display | LCD display with backlight |
| Operating Temperature | -4 to 122 °F (-20 to 50 °C) |
| Operating Humidity | 5 to 95 % RH, non-condensing |
| Ingress Rating | IP66 / IP67 |
| Calibration Flow Rate | 0.2 LPM (N2, CO2) |
| EMC | EMC directive |
|---|---|
| RoHS | RoHS2 |
| Country of Origin | South Korea |
| ECCN | EAR99 |
Documentation
Related Products
Frequently Asked Questions
What range does the AimSafety PM150-CO2 measure?
It measures carbon dioxide from 0 to 50,000 ppm, or from 0 to 5.0 % by volume, at a published resolution of 100 ppm. The display unit is selectable.
What are the default alarm set points on the PM150-CO2?
Low alarm 5,000 ppm (0.5 % Vol), high alarm 10,000 ppm (1.0 % Vol), STEL 30,000 ppm (3.0 % Vol) and TWA 5,000 ppm (0.5 % Vol). All four are user selectable through the PC software.
How is the PM150-CO2 charged?
Through the supplied USB Type-C cable and adaptor. A full charge from empty takes about 100 minutes with the unit powered off, and gives up to seven days of continuous runtime.
How long does the PM150-CO2 sensor last?
The NDIR sensor has an expected life of roughly seven years and the battery roughly three to five years. Both are replaceable: sensor 70-2900-0540-6 and battery 70-2900-0532-0.
Is the PM150-CO2 approved for hazardous locations?
The supplied AimSafety documentation lists EMC and RoHS compliance for the PM150-CO2. It does not list the Class I, Division 1 hazardous-location approvals published for the PM100 and PM400 series. Confirm the required area classification with Macurco before deploying it in a classified area.
Which calibration gas does the PM150-CO2 use?
Carbon dioxide at 20,000 ppm balance nitrogen in a 34L cylinder, part 37-0072-4234-1, applied through the PM100/150 calibration hood at 0.2 LPM. Nitrogen 34L, part 37-0444-4432-1, is used for zeroing.
- Product Type:
- Portable Gas Monitor
- Gas Detected:
- Carbon Dioxide (CO2)
- Number of Gases:
- 1
- Measuring Range:
- 0-50,000 ppm
- Sensor Type:
- NDIR Infrared
- Ingress Rating:
- IP66/IP67
- Power Source:
- Rechargeable Li-ion
- Runtime:
- 7 Days
- Alarm Types:
- Low/High/STEL/TWA
