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Dwyer 450A-1 450A-1 Digital Pocket Size Carbon Meter

  • Brand Dwyer
  • Part # 450A-1
  • Model # Series 450A-1
  • Condition
    Brand New

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Dwyer, 450A-1, Model 450A-1 Digital Pocket Size Carbon Monoxide Meter

Measures Up To 999 ppm, Audible Alarm

The Model 450A-1 Digital Pocket Size Carbon Monoxide Meter measures the ambient concentration of carbon monoxide (CO) in the environment and displays the measurement on the two line digital LCD screen. Besides the measurement, the maximum recorded CO value since the last reset is shown. An audible carbon monoxide alarm gives warning of CO levels above 25 ppm. For viewing in poorly lit environments, the built-in backlight brightens the display. Model 450A includes soft carrying case with belt loop, wrist strap, and batteries.

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CE Approval

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Technical Details

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Range0 to 999 ppm
Accuracy (at 20 ±5°C, 50 ±20% RH)±20% @ 0 to 100 ppm; ±15% @ 100 to 500 ppm
Resolution1 ppm
DisplayDual digital LCD display
Response TimeLess than 60 seconds
SensorElectrochemical carbon monoxide sensor
Temperature Limits-10 to 60°C (14 to 140°F)
Humidity Limits (Non-Condensing)5 to 99% RH
Power Requirements(3) 1.5 V AAA alkaline batteries, included, user replaceable
Battery Life250 hours with backlight off; 35 hours with backlight on
Weight4.23 oz (120 g)
AlarmsAudible, preset at 25 ppm
Agency ApprovalCE
Product Details
Range0 to 999 ppm
Accuracy (at 20 ±5°C, 50 ±20% RH)±20% @ 0 to 100 ppm; ±15% @ 100 to 500 ppm
Resolution1 ppm
DisplayDual digital LCD display
Response TimeLess than 60 seconds
SensorElectrochemical carbon monoxide sensor
Temperature Limits-10 to 60°C (14 to 140°F)
Humidity Limits (Non-Condensing)5 to 99% RH
Power Requirements(3) 1.5 V AAA alkaline batteries, included, user replaceable
Battery Life250 hours with backlight off; 35 hours with backlight on
Weight4.23 oz (120 g)
AlarmsAudible, preset at 25 ppm
Agency ApprovalCE
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(800) 884-5767
+1 (332) 900-3727 (Intl.)