Model 831 Manual Overview 3-1
CHAPTER
3
Overview
This chapter provides an overview of the components,
displays, and functions of the 831 sound level meter.
831 Components
FIGURE 3-1 The Model 831
The standard Model 831 shown in FIGURE 3-1 includes the
following:
• 1/2 in. diameter condenser microphone
• PRM831 microphone preamplifier
• Backlit graphic 160 x 240 pixel LCD display
• 13-key soft rubber backlit keypad
Microphone
Preamplifier
LCD Display
Keypad
Connectors
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