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Extech CO250
Catalog #: CO250
Portable Indoor Air Quality Meter Measures: CO2/Temp/Humidity/Dew Point/Wet Bulb
- Overview
- Specifications
- Summary
- Accessories
Product Highlights
- Checks for Carbon Dioxide (CO2) concentrations
- Calculates statistical weighted averages of TWA (8 hour time weighted average) and STEL (15 minute short term exposure limit)
- Maintenance free NDIR (non-dispersive infrared) CO2 sensor
- Measurement ranges -- CO2: 0 to 5,000ppm; Temperature: -14 to 140°F (-10 to 60°C); and Humidity: 0.0 to 99.9%
- User programmable audible alarm.
Each Unit Includes
- 1 - Software Cable
- 4 - AA Batteries
- 1 - Carrying Case
| Function |
Range |
Resolution |
Accuracy |
| CO2 |
0 to 5000ppm |
1ppm |
±(%5rdg + 50ppm) |
| 5000 to 9999ppm |
1ppm |
Not specified |
| Pressure dependence: +1.6% reading per kPa deviation from normal pressure, 100kPa |
| Temperature |
-10 to 60°C 14 to 140°F |
0.1° |
±0.6°C/0.9°F |
| Humidity |
0.0 to 99.9% |
0.1% |
±3%(10 to 90%)
±5%(< or > 10 to 90%) |
| Wet Bulb |
-5 to 60°C 23 to 140°F |
0.1° |
Calculated from RH and Temperature |
| Dew Point |
-20 to 60°C -4 to 140°F |
0.1° |
| Display |
Triple LCD with backlight |
| Sensor Type |
CO2: NDIR (non-dispersive infrared) technology
Humidity: Capacitance sensor;
Temperature (air): Thermistor |
| Operating Conditions |
0 to 50°
C (32 to 122°F); < 95% RH non-condensing |
| Storage Conditions |
-20 to 60°
C ( -4 to 140°F); <99% RH non-condensing |
| Power Supply |
4 x 1.5V ‘AA’ batteries or AC adaptor (9V/1A) |
| Battery Life |
approx. 24 hours (alkaline batteries) |
| Gas Detection/Personal Gas Detection Template |
| Number of Gases |
Single |
| Gas Types |
CO2 |
| Alarm (Personal Gas Detector) |
Audible |
| Type (Gas Detection) |
Portable |
| CO2 |
Yes |
| Warranty |
1 YEARS |
| Safety Approval |
CE |
| Interfaces I/O |
RS-232 |
| Product Height |
2.75 IN |
| Product Length |
14.20 IN |
| Product Width |
8.50 IN |
| HTS/Schedule B Number |
9031909195 |
| ECCN Number |
ear99 |
| Calibration Included |
Factory Calibration |
| Battery Type |
AA |
| Power Supply Voltage |
Battery Powered |
| Country of Origin |
Taiwan |
| Shipping Height |
2.75 IN |
| Shipping Length |
14.20 IN |
| Shipping Width |
8.50 IN |
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Accessories
| Product |
Price |
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Extech RH300-CAL
Catalog #: RH300-CAL
Humidity Calibration Kit 33% & 75% Cal Reference
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$68.21
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