ICHINEN JKO-O2 Ver.3 Series Oxygen Monitor

Manufacturer: ICHINEN MANUFACTURING Co., LTD.
Model : JKO-O2 Ver.3 Series : JKO-O2LD3, JKO-O2LJD3

JKO-O2LD3

Application: Concentration measurement inside containers
Accessories: Stainless housing separate sensor (3m)

JKO-O2LJD3

Application: Container oxygen measurement, concentration measurement inside tubes
Accessories: Separate sensor (coiled cord approximately 1.75m)

Specification

Specification	Description
Detected Gas	Oxygen
Detection Principle	Galvanic cell
Measurement Range	0.00~25.00% (Service range: display up to 35.00%)
Resolution	0.01%
Measurement Accuracy	±0.1% (10% LFL) / ±0.5% (10.1~25%)
Operating Temperature Range	-10°C to +40°C
Operating Humidity Range	5~85%RH (No condensation)
Operating Pressure Range	Standard pressure (1013hPa) ±10%
Response Speed	20.7% to 2.1% (90% response): within 5 seconds 20.7% to 0.1% (99.5% response): within 40 seconds
Alarm Delay	±5% of reading (20.7% to 18.0% / 10~1% oxygen exposure)
Alarm Concentration Set Value	Two points can be set arbitrarily (initial value: OFF)
Alarm Function	Electronic buzzer, two red LEDs (AL1, AL2 concentration can be set arbitrarily)
Alarm Output	Relay non-voltage 1c contact, maximum permissible range: 1A 30VDC
Analog Output	4-20mA 0-25% O₂
Power Source	4 AA alkaline batteries, external power specifications: AC adapter 5V DC/2.0A (Batteries for power outage compensation: 4 AA alkaline batteries)
Battery Life	Approximately 2000 hours (without alarms)
Average Sensor Life*	Approximately 1 year in the atmosphere (subject to change depending on the usage environment)
Dimensions/Weight	145H x 82W x 38Dmm (body [including battery]) Approx. 315g
Accessories	AA alkaline batteries, external alarm output connector, AC adapter, Wall bracket, analog output harness (3m)

Option

Name	Model Number
Wall-mount Bracket	WM–JK0V3
Inline Pressure Reduction 1/4Rc	BF–JK–1/4RC
Inline Pressure Reduction 1/8Rc	BF–JK–1/8RC
Soft Case	SCB–JK0V3
Storage Chip Gas	CG–0XN
Outlet Governor (3m)	AOUT–JK0V3
Outlet Adapter	MA–JK