Retrotec Energy Innovations, Ltd.
7
DM-2A Mark II 2008-02-22
The following list explains what each of the information labels printed around the perimeter
of your display screen represent:
• Baseline Indicates either the baseline pressure that will be deducted from the PrA
value or the current battery health status.
• n Indicates the value of the slope of the line along which @-measurements will be
extrapolated.
• Time Indicates time averaging on or off.
• Zero Indicates whether the auto zero feature is currently on or off.
• Speed Indicates the current speed signal going to the device as a percent value.
• Device Displays the device currently selected for use with your gauge.
• Range Config Indicates the current flow restrictor plate/ring/range configuration
set for the device.
• Set Indicates the pressure or fan speed that is being controlled.
• Pressure Indicates the pressure value for channel A.
• Mode Indicates the current results mode in use for the lower portion of the display.
• Volume and Area Input and Display Indicates the current value of the volume
used to calculate air changes or the area used in per-unit area displays.
• Jog/Hold display Indicates whether if the Jog or Hold features are currently active.
Using the Keypad Buttons
The keypad buttons (shown next) enable you to navigate screens, make selections, and
enter values in the course of your testing operations. The keypad buttons serve dual functions
according to the input expected and/or required by the device.
DM-2A Mark II Dual-Channel Pressure Gauge User Manual
1: Getting Started