Ingress Protection (IP) Filter Assembly
IPF-001
Instruction Guide
MAN-0109
June 2016
1
Introduction Instruction Guide
Figure 1: Fitting IP filter to sensor housing
June 2016 MAN-0109
Introduction
The IP Filter is a hydrophobic filter specially designed by Net Safety to protect the
Millennium II series sensors from splashing and spraying water. It also protects the
sensors from dust and other debris that may inhibit the performance of the sensor.
The IPF-001 is not performance verified.
For reliable gas detection and calibration it is recommended that the IP Filter and
sensor housing mouth, be checked for oil films, dirt deposits, and other debris during
routine maintenance. Apply gas to the sensor and observe its response. This test
should be done regularly and will give an indication of whether or not the filter is
clear or blocked. If the filter is dirty, damaged, or degraded, it should be replaced.
The life of the filter will be determined by the type of chemicals and particulates it’s
exposed to.
Never use tools (hammers, etc.) to fit the IP Filter to the sensor housing.
Fitting the IP Filter to Millennium II Sensor Housing
1. Examine Filter O-rings for cracks and breaks
2. Check that O-rings are fitted properly in grooves on filter enclosure.
3. Ensure that the filter is not degraded, damaged or dirty. If found to be dirty,
replace the filter accordingly.
4. Position the filter in line with the sensor housing. See illustration.
5. Firmly push against filter with the thumb or palm of hand, until it fits in the
housing mouth. See IP Filter mounted to sensor, on page 2.
2 Introduction
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