Fixed-type oxygen concentration meter UOX-B2A
Fixed-type oxygen concentration meter UOX-B2A
Adopting long-life sensors! This oxygen concentration meter excels in long-term stability with safety as the top priority.
The oxygen concentration meter UOX-B2A outputs the gas concentration detected by the oxygen detection unit JKR-25 as a current signal of 4-20 mA, which is received by the controller COX-B2A, converted into oxygen concentration, and displayed. When the oxygen concentration falls below the alarm set value (factory default 18.0%), the controller activates the ALM1 LED, ALM2 LED, triggers an alarm via a buzzer, and provides alarm contact output and ventilation fan contact output. Adjustment can be made by pressing the span calibration button under normal air conditions. Additionally, during this adjustment, the lifespan of the oxygen sensor is also checked, allowing you to know when to replace the oxygen sensor. 【Features】 ■ Alarm notification possible on the detection unit side ■ Equipped with a high-capacity alarm output (relay non-voltage contact) ■ Alarm output strong action relay contact terminals included *For more details, please refer to the catalog.
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basic information
【Detectable Gas】 Oxygen O2 【Detection Principle】 Galvanic cell type 【Operating Temperature Range】 COX-B2A: 0 to 40℃ / JKR-25: 5 to 40℃ 【Operating Humidity Range】 COX-B2A: 10 to 95% RH, no condensation JKR-25: 10 to 95% RH, no condensation 【Input Power Supply】 COX-B2A: AC 50 to 240V, 50/60Hz, 0.25A JKR-25: DC 12 to 24V 【Alarm】 COX-B2A: 73db electronic buzzer sound, red LED lamp flashing JKR-25: 80db electronic buzzer intermittent sound, red LED lamp flashing 【Calibration】 One-touch automatic configuration/calibration concentration (20.9%) 【Detection Method】 Diffusion method 【Response Time】 20 seconds for 90% response 【Measurement Range】 0 to 99.9% 【Display】 Digital 3 digits, LCD 【Alarm Output】 High capacity contact, rated AC 240V, 6A Low capacity contact, rated DC 30V, 50mA 【Dimensions】 COX-B2A: W180 x H230 x D90mm JKR-25: W83 x H124 x D31mm 【Weight】 COX-B2A: Approximately 2,100g JKR-25: Approximately 140g
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Applications/Examples of results
Hospital (MRI room), NMR device room, liquid nitrogen usage area, liquid helium usage area, and other inert gas and refrigerant usage areas.
Line up（2）
| Model number | overview |
|---|---|
| COX-B2A | Control Unit |
| JKR-25 | Detection Unit |
catalog（1）
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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.