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Trust. Science. Innovation.
Trust. Science. Innovation.
The 7545 model simultaneously measures and data logs multiple parameters. Measurements are CO, CO2, temperature, humidity; and calculations are dew point, wet bulb temperature, and % outside air.
Our rentals come fully calibrated to traceable standards. Have your own instrument? We also offer calibration services for this model (CERTITH2).
The 7545 model simultaneously measures and data logs multiple parameters. Measurements are CO, CO2, temperature, humidity; and calculations are dew point, wet bulb temperature, and % outside air.
Our rentals come fully calibrated to traceable standards. Have your own instrument? We also offer calibration services for this model (CERTITH2).
Featuring a statistic function, this indoor air quality meter displays average, maximum, and minimum values, and the number of recorded samples. Software that permits easy transfer of data to a computer is also included.
Features
Applications
| CO2 Sensor | Type: dual-wavelength NDIR (non-dispersive infrared) Range: 0 to 5000 ppm Accuracy: ±3.0% of reading or ±50 ppm, whichever is greater Resolution: 1 ppm Response time: 20 seconds |
| Temperature Sensor | Type: thermistor Range: 32 to 140°F (0 to 60°C) Accuracy: ±1.0°F (±0.5°C) Resolution: 0.1°F (0.1°C) Response time: 30 seconds (90% of final value, air velocity at 400 ft/min [2 m/s]) |
| Relative Humidity Sensor | Type: thin-film capacitive Range: 5 to 95% RH Accuracy: ±3.0% RH Resolution: 0.1% RH Response time: 20 seconds (for 63% of final value) |
| Percentage Outside Air | Range: 0 to 100% Resolution: 0.1% |
| CO Sensor | Type: electro-chemical Range: 0 to 500 ppm Accuracy: ±3.0% of reading or ±3 ppm, whichever is greater Resolution: 0.1 ppm Response time: <60 seconds to 90% step change |
| Temperature | Operating: 40 to 113°F (5 to 45°C) Storage: -4 to 140°F (-20 to 60°C) |
| Logging Capability | Range: up to 26,900 data points with four key measured parameters enabled Time constant: 1 sec, 5 sec, 10 sec, 20 sec, 30 sec (user selectable) Intervals: 1 second up to 1 hour (user selectable) |
| Dimensions | Meter: 3.3 x 7.0 x 1.8” (8.4 x 17.8 x 4.4 cm) Probe: 7 x .75" (17.8 x 1.9 cm) |
| Weight | 0.6 lbs (0.27 kg) |
| CO2 Sensor | Type: dual-wavelength NDIR (non-dispersive infrared) Range: 0 to 5000 ppm Accuracy: ±3.0% of reading or ±50 ppm, whichever is greater Resolution: 1 ppm Response time: 20 seconds |
| Temperature Sensor | Type: thermistor Range: 32 to 140°F (0 to 60°C) Accuracy: ±1.0°F (±0.5°C) Resolution: 0.1°F (0.1°C) Response time: 30 seconds (90% of final value, air velocity at 400 ft/min [2 m/s]) |
| Relative Humidity Sensor | Type: thin-film capacitive Range: 5 to 95% RH Accuracy: ±3.0% RH Resolution: 0.1% RH Response time: 20 seconds (for 63% of final value) |
| Percentage Outside Air | Range: 0 to 100% Resolution: 0.1% |
| CO Sensor | Type: electro-chemical Range: 0 to 500 ppm Accuracy: ±3.0% of reading or ±3 ppm, whichever is greater Resolution: 0.1 ppm Response time: <60 seconds to 90% step change |
| Temperature | Operating: 40 to 113°F (5 to 45°C) Storage: -4 to 140°F (-20 to 60°C) |
| Logging Capability | Range: up to 26,900 data points with four key measured parameters enabled Time constant: 1 sec, 5 sec, 10 sec, 20 sec, 30 sec (user selectable) Intervals: 1 second up to 1 hour (user selectable) |
| Dimensions | Meter: 3.3 x 7.0 x 1.8” (8.4 x 17.8 x 4.4 cm) Probe: 7 x .75" (17.8 x 1.9 cm) |
| Weight | 0.6 lbs (0.27 kg) |
