Heath Consultants Hi Flow Sampler - Manual (Page 7)

Introduction Hi Flow

Sampler
Instruction 0055-9017 7
1.4 Control Unit Description
The control unit consists of an 8 line by 20 character LCD and the four pushbuttons.
Figure 1-1. Control Unit
1.5 Top Panel Connections and Controls
The top panel contains the following items.
ON/OFF Switch Turns unit ON and OFF.
Computer Port RS232 communications port for downloading stored test data to an
external computer.
Leak Gas Inlet Main hose connection used to collect gas from leak source.
GAS Inlet
Calibration gas connection.
Background
Inlet Gas hose connection used to sample background levels of CH
4
.
Figure 1-2. Top Panel Connections