For long-term measurement of medical gases (oxygen) concentration, as well as for physical and chemical experiments and cultures!
The functionality of JKO-25 Ver.3 remains unchanged, and we have upgraded it to meet the requests of many users. 【Additional Features】 - Equipped with an auto-span adjustment function, eliminating the need for manual operation (optional)! - Displays maintenance schedule date (optional)! - With the complete barometric pressure correction function, it prevents false alarms caused by typhoons, etc. (the barometric pressure sensor is built into the main unit and is optional)! 【Functions carried over from JKO-25 Ver.3】 - Can be used in a full range of oxygen concentration from 0-100 vol%, allowing for high-concentration oxygen measurement. - Real-time oxygen concentration can be checked on a large LCD. - Compact and easy-to-hold shape. Soft case available as an option. - Alarm concentration settings can be configured in two stages, with options for upper and lower limits. - Easily identifiable electronic buzzer sound during alarms. - Alarm notifications with two red LEDs. - Option to hold the alarm or automatically reset. - External alarm output can control devices such as rotating lights and solenoid valves. - Analog output of 0-1V can be used to extract oxygen concentration externally. *For more details, please download the PDF or contact us.*
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basic information
【Detected Gas】Oxygen 【Detection Principle】Galvanic Cell Type 【Measurement Range】0.0–100.0% 【Resolution】0.1% 【Measurement Accuracy】±0.5% (0.0–25.0%) ±3.0% (above 25.1%) 【Operating Temperature Range】-10 to +40℃ 【Operating Humidity Range】5–85% RH (without condensation) 【Operating Pressure Range】Atmospheric Pressure (1013[hPa]) ±10%
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Applications/Examples of results
● Prevention of oxygen deficiency ● Confirmation of medical gas (oxygen) concentration ● Long-term measurement in physical and chemical experiments, cultures, etc. ● Measurement of oxygen concentration at high altitudes ● Usable as a portable oxygen alarm during emergencies ● Maintenance of oxygen concentrators and ventilators ● Simple measurement of residual oxygen
Detailed information
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Powerful alarm system It features a two-stage alarm with AL1 and AL2, an alarm buzzer, a high-brightness LED alarm lamp, alarm output (relay contact without voltage), and an analog output of 0-1V, ensuring that any potential oxygen deficiency alarm reliably alerts those nearby to the danger.
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Choose from 5 types. You can select the one that is best suited for your usage environment.
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Options - Wall-Mount Bracket WM-JKOV3 Used for wall mounting this product. - Soft Case SCB-JKOV3 Protects from dirt and scratches, and is convenient for carrying. - Inline Fixture BF-JK-1/4 or BF-JK-1/8 Used in combination with JKO-ALJD3 to measure oxygen concentration in tubes or piping. Connects to a quick-connect fitting on the side. - Analog Output Harness for JKO-AVer.3 (3m) AOUT-JKOV3 Connectors and leads used when utilizing the analog output. - Hospital Outlet Adapter MA-JK Used in combination with JKO-ALJD3 for measuring oxygen concentration at medical gas outlets. *This product is not a medical device. Do not use on humans.* - T-Bar for Ventilator TB-JK Used in combination with JKO-ALJD3 for connecting during inspections of ventilators to measure oxygen concentration. *This product is not a medical device. Do not use on humans.* - Alarm Check Gas CG-OXN A gas canister containing approximately 10-11 vol% oxygen used to trigger alarms.
Line up（5）
| Model number | overview |
|---|---|
| JKO-ASD3 | This is a standard model with a built-in sensor. It is suitable for measuring the oxygen concentration around the detector. It can be used as both a stationary and portable device. |
| JKO-AWD3 | This is a stationary oxygen meter that comes with a sensor box and a 10m sensor cable. It can be installed in various locations such as factories, warehouses, clean rooms, laboratories, and tunnels. It can be easily installed by anyone using the included wall-mounted bracket. It is the ideal type for countering oxygen deficiency. |
| JKO-ALD3 | Since the sensor is protected by a robust stainless steel housing, it can be safely used in environments where the sensor part must be suspended, such as manholes, tanks, silos, wells, vertical holes, and various pits. It is the optimal type for portable oxygen meters. |
| JKO-ALJD3 | The sensor part, equipped with an approximately 1.7m coiled cord, has a threaded tip, allowing for the measurement of oxygen concentration in sealed environments by providing a threaded hole in groove boxes or chambers. Using the separately sold inline fixture BF-JK, oxygen concentration measurements can be performed in tubes or piping. |
| JKO-AML3/JKO-AMT3 | Equipped with a tube fitting, it allows for easy connection of tubes. It is the ideal type for maintenance of oxygen concentrators for home oxygen therapy (HOT) and measuring residual oxygen in nitrogen generation systems. ML3 type: elbow-type tube fitting, MT3 type: bamboo shoot-type tube fitting. *This product is not a medical device. Do not use it on the human body. |
catalog（2）
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Company information
- Gas Detectors We manufacture and sell various gas concentration meters and alarms necessary for environmental checks in the atmosphere. Concentration meters and alarms are widely adopted in various fields for safety management against oxygen deficiency and harmful gases, as well as for managing greenhouse gas concentrations, ensuring your safety and monitoring the Earth's environment. - Ceramic Heaters Focusing on our in-house developed products such as ultra-fast ceramic heaters and Pb-free solder, we propose solutions for the manufacturing processes of electronic products.
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