Oxygen deficiency prevention installation-type monitor Model 221R
Oxygen concentrator equipped with a backup battery power supply compliant with American UL standards, addressing power supply issues and preventing oxygen deficiency.
● Oxygen deficiency management percentage (%) model ● Equipped with a backup battery power supply ● Adopts long-life zirconia-type sensor ● Simple operation from the front panel ● Complies with UL safety standards in the United States ● Oxygen analyzer ■ Model 221R is designed for installation and use in areas at risk of oxygen deficiency. It uses a 100VAC power supply and is also equipped with a backup battery power supply, allowing for continuous oxygen concentration management even in the event of a power issue. The accuracy is ±0.1%, the output range is 0-25%, the alarm can be set at two points, and the 90% response time is 15 seconds.
basic information
Model: 221R Measurement Range: 0 to 25% Measurement Accuracy: FS ±1% Power Supply: 100 to 240 VAC *Battery backup during power outage (approximately 1 hour) Output: 4-20 mA / USB connection, Modbus485 Dimensions: W180 × H150 × D108 mm Weight: Approximately 2 kg
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Model number/Brand name
MODEL 221R
Applications/Examples of results
● Location for storing liquid nitrogen ● Inside a clean room ● Inside a dry room ● Laboratories of national and private research institutes ● Buildings with glove box installations ● Buildings with reaction vessels and stirrers ● Medical MRI room ● Beer factory / soft drink factory ● Food storage warehouse ● Feed silo ● Ship's hull / cargo hold ● For equipment integration and many others
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We introduce various measuring instruments and devices related to moisture management, including the domestic capacitive dew point meter TK-100 series, mirror-type dew point meters, oxygen concentration meters, humidifiers, and moisture meters for corrosive gases. By organically combining these, as well as through piping, line creation, and unitization, we provide custom-made products and respond quickly to complex issues.