MPower Electronics MP420 Oxygen (O2) Lead Free Replacement Sensor for the MUNI MP420 Four-Gas Detector.

Key Features:

• Measuring range: 30% vol
• Resolution (ppm): 0.1%
• Span (ppm): 18%
• Lead Free

For replacement of worn out sensor - can only be installed if unit was originally purchased with this type sensor.

Part Number:
M081-0021-000