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Back Components
Overview
1. Foot Switch Socket. Plug the foot switch into this socket if you’re
using the optional foot switch.
2. Contrast Adjustment. Adjust this control to get the best visibility on
the liquid crystal display.
3. Serial Output. This is a connection for interfacing Sprint LC to
computers or printers.
4. Tone Adjustment. Use this control to set tone volume, which affects
both key-press and alarm tone.
5. Input/Output. A connector used to hook up relay input and outputs.
Used for programmable logic controllers and automated test fixtures.
6. Timer Output. A BNC connector providing an output for the internal
timer. It is used to verify timer accuracy for calibration purposes.
7. Pressure Regulator. Controls the air pressure applied to the product
under test. Use this control to set the test pressure.
8. Power Entry Module. The Entry Module has three parts
a. On/Off Switch. “1” is on; “0” is off.
b. Fuse Holder. Holds two 2-Amp, fast-blow fuses.
c. Power Cord Socket. Plug the power cord into this receptacle.
9. Flow Control. Use this precision needle valve to set ramp rate for
burst and creep testing. Typically not used in a flow or pressure
decay test.
10. Gas Supply Connection. Connect house air or other gas to this
1
/
8
-
inch female NPT input port. Input air must be clean and dry.
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