TEC DG-700 - DG-700 Feature Summary; DG-700 Feature List; Gauge Operating Modes Overview; DG-700 Gauge Interface and Buttons

Table of Contents
CHAPTER 1 FEATURE SUMMARY 1
1.1 Feature List 1
 1.1.a Pressure Measurements: 1
 1.1.b Auto Zeroing: 1
 1.1.c Time Averaging: 1
 1.1.d Air Flow and Velocity Measurements: 1
 1.1.e Display “HOLD”: 1
 1.1.f Specialized @ 50 and @ 25 Leakage Measurement Mode: 2
 1.1.g Specialized Air Handler Flow Measurement Mode: 2
 1.1.h Automated Blower Door Testing, Cruise Control and Data Logging: 2
1.2 Overview of Gauge Operating Modes 2
1.3 Gauge Face and Buttons 3
1.4 Input/Output Ports on the DG-700 4
 1.4.a USB and Serial Communication Ports: 4
 1.4.b Fan Control Output Jack: 4
 1.4.c AC Power Input Jack: 4
1.5 Overview of the Time Averaging Feature 5
 1.5.a Description of Time Averaging Periods: 5
 1.5.b Illustration of Time-Averaging Operation (First 10 seconds of operation): 5
 1.5.c Resetting the Time Averaging Measurement Buffer: 5
1.6 Overview of the Baseline Pressure Measurement Feature (Channel A) 6
 1.6.a Buttons Used with Baseline Pressure Feature: 6
 1.6.b Restarting the Baseline Measurement: 7
 1.6.c Clearing and Exiting from the Baseline Pressure Procedure: 7
1.7 Auto-Off Feature 7
CHAPTER 2 PRESSURE/PRESSURE MODE 8
2.1 Mode Summary 8
2.2 Overview of Pressure/Pressure Mode 8
2.3 Changing the Pressure Units 8
2.4 Changing the Time Averaging Period 9
2.5 Using the Baseline Pressure Feature 9
 2.5.a Example: Measuring Building Depressurization from an Exhaust Fan 9
CHAPTER 3 PRESSURE/FLOW MODE 11
3.1 Mode Summary 11
3.2 Overview of Pressure/Flow Mode 11
3.3 Changing the Selected Test Device and Configuration 11
3.4 “LO” Displayed on Channel B 12
3.5 Changing the Air Flow Units 12
3.6 Changing the Time Averaging Period 12
3.7 Using the Baseline Pressure Feature in Pressure/Flow Mode 12
 3.7.a Example: Using the Baseline Feature During a Blower Door Depressurization Test 12