Heath-consultants Detecto Pak-Infrared (DP-I) Manuel d'utilisateur télécharger pdf (Page 6)

102105-0 DP-IR MANUAL REV M

Page 6 of 35

Overview

The HEATH Detecto Pak-Infrared (DP-IR™) uses highly advanced optical technology capable

of detecting methane gas utilizing the Infrared Controlled Interference Polarization Spectrometry

method. The DP-IR is the latest leak survey instrument from HEATH that greatly improves

productivity, cost and safety of walking and mobile surveys.

The DP-IR functions by using an infrared optical gas detection system. This instrument is

intended to replace the current surveying equipment using the traditional Flame Ionization

method with next-generation technology utilizing an infrared light beam, eliminating the need

for expensive gas cylinders and rell systems. It is designed to be highly selective to detecting

methane gas and will not false alarm on other hydrocarbon gases which may be encountered

during a normal natural gas leak survey.

Figure 1: The DP-IR uses advanced infrared optical technology to achieve high sensitivity

to methane gas.

The DP-IR operates under a variety of eld conditions, including cold and hot temperatures. Its

rugged design will stand up to normal eld use and operating conditions.

The DP-IR has a built-in self-test function that will verify that the instrument is operating

properly. Using the internal calibration cell, the operator performs the self-test as part of a daily

start-up routine. While in operation, the DP-IR continuously monitors several internal parameters

to ensure that it is functioning properly. Should any of these parameters go outside of operational

limits, a constant audible alarm will sound and an ERROR icon will be displayed.

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Heath-consultants Detecto Pak-Infrared (DP-I) Manuel d'utilisateur Page 6