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General| Brand | Extech Instruments |
|---|---|
| Model | HD755 |
| Category | Measuring Instruments |
| Language | English |
Port for primary pressure measurement.
Connector for external power supply.
Port for secondary pressure measurement.
Shows measurement data, units, timer, and symbols.
For data acquisition software connection.
Selects the unit of measure for display.
Displays differential pressure or offsets readings.
Accesses MIN/MAX/AVG recording mode.
Freezes reading or zeros the display.
Turns display backlight on/off.
Turns the meter on or off.
Location for the 9V battery.
Indicator for active USB data transfer.
Indicator for differential pressure measurement.
Indicator when the displayed reading is frozen.
Main area showing measurement values.
Indicator for MIN/MAX/AVG record mode.
Shows MAX, MIN, or AVG readings.
BAT symbol indicates low battery.
Displays the selected unit (e.g., psi, mbar).
Shows time elapsed during recording.
Details on powering the device on/off and battery use.
Explains auto power-off and how to disable it.
Lists available units and how to select them.
Instructions on connecting tubing and pressure interpretation.
How to zero the meter and use the offset function.
Detailed steps for using the record mode and timer.
Information on connecting to a PC for data acquisition.
Lists and explains error codes (ERR 1-4).
Lists display, units, accuracy, power, dimensions, etc.
Table of pressure ranges and their resolutions.
Instructions for replacing the 9V battery.
Safety precautions for battery handling and disposal.
Table of conversion factors for pressure units.
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