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The Nova 510 Series Oxygen deficiency or excess alarm monitors are designed as an O2 'watchdog' against accidental displacement of ambient air in a confined space by inert gases, or by a buildup of too much O2 from an O2 leak in the room.
The monitors all utilize a long life electrochemical O2 sensor. Actual O2 concentration is shown on a digital meter. Alarm set points are pre-set at Nova but are field adjustable if desired. A 'Sonalert' audible alarm with reset button is included.
Unit of Measure

Specifications

Method of Detection

 N/A Customer replaceable electrochemical 'fuel cell' oxygen sensor, expected life 5 years

Ranges Available

 N/A 0-30% O2

Resolution

 N/A 0.1% O2

Accuracy & Repeatability

 N/A ±2% of full scale

Drift

 N/A Less than 1% of full scale per month

Response Time (T-90)

 N/A 6-8 seconds to 90% step change

Ambient Temperature Range

 N/A 32 to 122°F (0 to 50°C), may be operated at lower temperature with auxiliary heater

Linearity

 N/A ±2% of full scale

Size & Weight

 N/A 10" H x 8" W x 6" D (25.4 x 20.3 x 15.2 cm) @ 6 lbs. (2.7 kg)

Power

 N/A 115 VAC, 60 Hz 220 VAC, 50 Hz

Output Options

 N/A 0-1 VDC 4-20 mA

Alarms

 N/A Optional: High and low SPDT contacts with 10 A, 115 VAC rating; Two alarm levels; 'Sonalert' audible alarm with reset button; Indicator light for each alarm level; Strobe light and 'fail safe' alarms available

Analyzer Type

 N/A O2 Gas Analyzer

Applications

N/A

    To monitor confined spaces, labs, control rooms, tunnels, oxygen plants, etc. for oxygen (O2) deficiency or excess.

Features

N/A

  • Best value high accuracy O2 monitor
  • Bright digital readout
  • 5 year life electrochemical O2 sensor
  • Easy to use and calibrate
  • Fast response (T90 - 6 to 8 seconds)
  • Corrosion resistant NEMA 12 enclosure
  • 4-20 mA or 0-1 VDC recorder output
  • Modular layout that is easy to maintain

Options

N/A

  • 'Fail Safe' alarms available
  • Low flow alarm on pumped sample models
  • NEMA 4 or 4X enclosures
  • Strobe light

Calibration

N/A

  • Although calibration of zero should not be necessary, it can be checked by flowing 1 LPM of nitrogen through the analyzer
  • Analyzed gas or ambient air with 20.9% O2 for span

Unique Applications

N/A

    All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova. In many cases, we are able to build an analyzer specific to your needs.

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