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Gas and Specialty Sensors
Gas and Specialty Sensors

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OS-1

Oxygen Sensor

The Model OS-1 is a dependable, economical oxygen sensor designed to monitor oxygen levels in ambient air. It has a jumper-selectable analog output for interfacing with a BAS controller and an SPDT relay output to activate an alarm in the event of oxygen depletion due to a refrigerant leak. The units are powered by 24 VAC/VDC and are housed in a rugged polystyrene enclosure for dust and moisture protection.The Model OS-1 is designed to be used as part of a control system that helps to prevent the formation of a hazardous environment when properly installed and maintained. For more information on the proper application and use of this product please read "Environmental Safety Devices" in our technical reference section.


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Features
  • 4-20 mA, 0-5 VDC, or 0-10 VDC output, jumper-selectable
  • SPDT alarm relay
  • 24VAC/VDC power
  • 0% to 25% range
  • Rugged polystyrene enclosure
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Specifications

Supply Voltage:24 VAC/VDC @ 0.25A

Signal Output:(jumper selectable)

4-20 mA (300Ω max):

0-5 VDC (20 kΩ min):

0-10 VDC (20 kΩ min):

Relay Type: SPDT 24 VAC/VDC @ 0.5A, factory set @ 19.5%

Accuracy: ±1%

Measurement Range:0% to 25% oxygen

Sensing Technology:Galvanic cell

Life Expectancy:Approximately five years @ 68℉ (20°C) in ambient air

Response Time:Approximately 12 seconds

Operating Humidity:10% to 95% non-condensing

Operating Temperature:40° to 104°F (5° to 40°C)

Storage Temperature:-4° to 140°F (-20° to 60°C)

Weight: 1 lb (0.45 kg)

Warranty: 1 year

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Products

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QtyModelDescriptionIn StockList PriceInternet Price
OS-1 OXYGEN SENSOR 4-20MA / 0-25% In Stock1,297.471,037.98
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Download Additional Data

Catalog Page
OS-1 Installation Instructions
JOHNSON CONTROLSOS-1
Overall rating 
4 / 5
4 / 5
Open Ratings Snapshot
Rating breakdown 1 review
5 Stars
0
4 Stars
1
3 Stars
0
2 Stars
0
1 Star
0
Ease of Installation 
4 / 5
4 / 5
Quality / Performance 
4 / 5
4 / 5
Value 
4 / 5
4 / 5
1 out of 1(100%)customers recommend this product.
1
1 The Model OS-1 is a dependable, economical oxygen sensor designed to monitor oxygen levels in ambient air. It has a jumper-selectable analog output for interfacing with a BAS controller and an SPDT relay output to activate an alarm in the event of oxygen depletion due to a refrigerant leak. The units are powered by 24 VAC/VDC and are housed in a rugged polystyrene enclosure for dust and moisture protection. The Model OS-1 is designed to be used as part of a control system that helps to prevent the formation of a hazardous environment when properly installed and maintained. For more information on the proper application and use of this product please read "Environmental Safety Devices" in our technical reference section.
Overall rating 
4 / 5
4 / 5
Open Ratings Snapshot
Rating breakdown 1 review
5 Stars
0
4 Stars
1
3 Stars
0
2 Stars
0
1 Star
0
Ease of Installation 
4 / 5
4 / 5
Quality / Performance 
4 / 5
4 / 5
Value 
4 / 5
4 / 5
1 out of 1(100%)customers recommend this product.
Product ReviewsWrite a review
Overall rating 
4 / 5
4 / 5
Reliable product
PostedJune 30, 2011
Customer avatar
Annabell510
 
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from Milwaukee, WI
Years of Experience:1-4
Job Function:Other
Ease of Installation 
4 / 5
4 / 5
Quality / Performance 
4 / 5
4 / 5
Value 
4 / 5
4 / 5
This product is reliable and a great value! In addition, it ships fast so I don't have to make my customers wait.
Pros: Good value, Always in stock
Yes, I recommend this product.
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