RKI Replacement Oxygen (O2) Sensor ESR-X13P-OXY
Description
The RKI ESR-X13P-OXY is an OEM galvanic electrochemical oxygen sensor replacement for compatible RKI portable gas monitors, measuring O₂ concentration across a 0–25% volume range. A functioning oxygen sensor is essential for confined space safety — OSHA defines oxygen-deficient atmospheres at below 19.5% and oxygen-enriched above 23.5%, both outside OSHA's permissible exposure limit for normal operations. Replacing the O₂ sensor at or before its rated service life ensures that life-safety alarms trigger accurately when atmospheric oxygen levels deviate from normal.
Compatible with the following RKI gas monitors:
Target gas: Oxygen (O₂), 0–25% vol
Sensor type: Galvanic electrochemical
Part number: ESR-X13P-OXY
Warranty: 3 years
Replacement type: OEM RKI replacement sensor
Frequently Asked Questions
Which RKI instruments accept the ESR-X13P-OXY oxygen sensor?
The ESR-X13P-OXY is compatible with the following RKI monitors:
GX-3R,
GX-3R Pro,
GX-3R Pro with Bluetooth,
GX-Force, and RKI OX-04 Series. Confirm your instrument's sensor slot layout in the instrument manual before ordering.
How long does an O₂ electrochemical sensor last?
Galvanic O₂ sensors typically have a 2–3 year service life under normal operating conditions. The ESR-X13P-OXY carries a 3-year RKI warranty. Factors that accelerate degradation include high-oxygen atmospheres, exposure to corrosive gases, and extreme temperatures. Replace the sensor at or before the end of the rated period regardless of observed performance.
How do I test whether my O₂ sensor is still working correctly?
Perform a bump test by exposing the instrument to a known concentration of calibration gas containing a defined O₂ percentage (e.g., 12% O₂ in the standard RKI 4-gas mixture 81-0154RK-04). The sensor passes if the reading is within the instrument's specified accuracy tolerance. If the reading drifts outside tolerance or the instrument cannot be zeroed in fresh air (20.9% O₂), replace the sensor.
Is replacement of the O₂ sensor a field-serviceable task?
Yes. The
GX-Force and
GX-3R both feature field-replaceable sensor slots. Follow the sensor replacement procedure in your instrument manual and perform a full calibration after installing the new ESR-X13P-OXY before returning the instrument to service.
What other replacement sensors does the GX-Force or GX-3R require?
A fully maintained 4-gas instrument also requires a dual CO/H₂S sensor (ESR-A1DP-COHS) and an LEL catalytic bead sensor (NCR-6309). All three are available from PK Safety. Replacing all sensors at the same service interval simplifies maintenance scheduling and ensures complete gas detection performance.
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Description
The RKI ESR-X13P-OXY is an OEM galvanic electrochemical oxygen sensor replacement for compatible RKI portable gas monitors, measuring O₂ concentration across a 0–25% volume range. A functioning oxygen sensor is essential for confined space safety — OSHA defines oxygen-deficient atmospheres at below 19.5% and oxygen-enriched above 23.5%, both outside OSHA's permissible exposure limit for normal operations. Replacing the O₂ sensor at or before its rated service life ensures that life-safety alarms trigger accurately when atmospheric oxygen levels deviate from normal.
Compatible with the following RKI gas monitors:
Target gas: Oxygen (O₂), 0–25% vol
Sensor type: Galvanic electrochemical
Part number: ESR-X13P-OXY
Warranty: 3 years
Replacement type: OEM RKI replacement sensor
Frequently Asked Questions
Which RKI instruments accept the ESR-X13P-OXY oxygen sensor?
The ESR-X13P-OXY is compatible with the following RKI monitors: GX-3R, GX-3R Pro, GX-3R Pro with Bluetooth, GX-Force, and RKI OX-04 Series. Confirm your instrument's sensor slot layout in the instrument manual before ordering.
How long does an O₂ electrochemical sensor last?
Galvanic O₂ sensors typically have a 2–3 year service life under normal operating conditions. The ESR-X13P-OXY carries a 3-year RKI warranty. Factors that accelerate degradation include high-oxygen atmospheres, exposure to corrosive gases, and extreme temperatures. Replace the sensor at or before the end of the rated period regardless of observed performance.
How do I test whether my O₂ sensor is still working correctly?
Perform a bump test by exposing the instrument to a known concentration of calibration gas containing a defined O₂ percentage (e.g., 12% O₂ in the standard RKI 4-gas mixture 81-0154RK-04). The sensor passes if the reading is within the instrument's specified accuracy tolerance. If the reading drifts outside tolerance or the instrument cannot be zeroed in fresh air (20.9% O₂), replace the sensor.
Is replacement of the O₂ sensor a field-serviceable task?
Yes. The GX-Force and GX-3R both feature field-replaceable sensor slots. Follow the sensor replacement procedure in your instrument manual and perform a full calibration after installing the new ESR-X13P-OXY before returning the instrument to service.
What other replacement sensors does the GX-Force or GX-3R require?
A fully maintained 4-gas instrument also requires a dual CO/H₂S sensor (ESR-A1DP-COHS) and an LEL catalytic bead sensor (NCR-6309). All three are available from PK Safety. Replacing all sensors at the same service interval simplifies maintenance scheduling and ensures complete gas detection performance.
The RKI ESR-X13P-OXY is an OEM galvanic electrochemical oxygen sensor replacement for compatible RKI portable gas monitors, measuring O₂ concentration across a 0–25% volume range. A functioning oxygen sensor is essential for confined space safety — OSHA defines oxygen-deficient atmospheres at below 19.5% and oxygen-enriched above 23.5%, both outside OSHA's permissible exposure limit for normal operations. Replacing the O₂ sensor at or before its rated service life ensures that life-safety alarms trigger accurately when atmospheric oxygen levels deviate from normal.
Compatible with the following RKI gas monitors:
Target gas: Oxygen (O₂), 0–25% vol
Sensor type: Galvanic electrochemical
Part number: ESR-X13P-OXY
Warranty: 3 years
Replacement type: OEM RKI replacement sensor
Frequently Asked Questions
Which RKI instruments accept the ESR-X13P-OXY oxygen sensor?
The ESR-X13P-OXY is compatible with the following RKI monitors: GX-3R, GX-3R Pro, GX-3R Pro with Bluetooth, GX-Force, and RKI OX-04 Series. Confirm your instrument's sensor slot layout in the instrument manual before ordering.
How long does an O₂ electrochemical sensor last?
Galvanic O₂ sensors typically have a 2–3 year service life under normal operating conditions. The ESR-X13P-OXY carries a 3-year RKI warranty. Factors that accelerate degradation include high-oxygen atmospheres, exposure to corrosive gases, and extreme temperatures. Replace the sensor at or before the end of the rated period regardless of observed performance.
How do I test whether my O₂ sensor is still working correctly?
Perform a bump test by exposing the instrument to a known concentration of calibration gas containing a defined O₂ percentage (e.g., 12% O₂ in the standard RKI 4-gas mixture 81-0154RK-04). The sensor passes if the reading is within the instrument's specified accuracy tolerance. If the reading drifts outside tolerance or the instrument cannot be zeroed in fresh air (20.9% O₂), replace the sensor.
Is replacement of the O₂ sensor a field-serviceable task?
Yes. The GX-Force and GX-3R both feature field-replaceable sensor slots. Follow the sensor replacement procedure in your instrument manual and perform a full calibration after installing the new ESR-X13P-OXY before returning the instrument to service.
What other replacement sensors does the GX-Force or GX-3R require?
A fully maintained 4-gas instrument also requires a dual CO/H₂S sensor (ESR-A1DP-COHS) and an LEL catalytic bead sensor (NCR-6309). All three are available from PK Safety. Replacing all sensors at the same service interval simplifies maintenance scheduling and ensures complete gas detection performance.
Specifications
Specifications
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Reviews
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