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BK Precision 627
Carbon Monoxide Meter

• Portable and simple one hand operation.
• Wide CO measuring range of 0 to 1000 ppm
• Display Back-Light.
• With MAX/DATA HOLD function.
• Hand-Held lightweight design.
• CE-Mark Approval

• Display: 3 1/2 digit liquid crystal display (LCD) with a maximum reading of 1999.
• Polarity: Automatic, positive implied, negative polarity indication.
• Zero: Automatic.
• Low battery indication: Displayed when the battery voltage drops below the operating level.
• Operating environment: 32 to 105°F (0°C to 50°C) at <75% relative humidity.
• Storage temperature: -4° to 140°F (-20°C to 60°C), 0 to 80% R.H. with battery removed from meter.
• Accuracy: Stated accuracy at 23°C (+5°C), <75% relative humidity.
• Dimensions (HxWxD): 7.5 x 2.64 x 1.4" (189 x 67 x 35mm).
• Weight: 7oz. (200g) including battery (approx).

• Range: 0 to 1000 ppm (2000 ppm with 5 minute max exposure time.)
• Sensor Calibration: Factory calibrated on 205ppm.
• Sensor Type: Electrochemical (specific to CO)
• Initial Accuracy: +5% of reading +5PPM
• Response time: <70sec to 90% of reading
• Operating Temperature: 32 to 105 °F
• Operating relative humidity: 15 to 90%RH, non-condensing
• Long term drift: <5% / year (depending on use)
• Battery life: 200 hours typical (No measurable current draw when in "off" position).