Introduction
This manual provides comprehensive instructions for the safe and effective use of your iGaging Digital Electronic Height Gauge. This precision instrument is designed for accurate height measurements in various applications, including woodworking and machining. It features a digital display, magnetic base, and multiple measurement units.
Key features include:
- 6-Inch (150mm) measurement capacity
- Magnetic base for stable positioning
- Accuracy to 0.0005-Inch (0.01mm)
- Digital display with Inch, Millimeter, and Fractional Inch readings
- Durable stainless steel construction
Safety Information
Please read and understand all safety instructions before operating the height gauge. Failure to follow these instructions may result in inaccurate measurements or damage to the tool.
- Always handle the gauge with care to prevent dropping or impact, which can affect its accuracy.
- Keep the measurement surfaces clean and free from dust, debris, or oils.
- Avoid exposing the digital display to excessive moisture or extreme temperatures.
- Store the gauge in its protective case when not in use.
- Keep batteries out of reach of children. Dispose of used batteries responsibly.
Product Components
Familiarize yourself with the parts of your iGaging Digital Electronic Height Gauge:

The image above displays the complete height gauge, featuring a sturdy base, a vertical beam with measurement markings, and the digital display unit attached to the beam.

This close-up shows the digital readout screen and the control panel. The buttons allow for unit conversion, absolute/incremental measurement, data hold, power control, and zero setting.
- Digital Display: Shows measurement readings.
- Control Buttons:
- in/mm/F: Toggles between inches (decimal), millimeters, and fractional inches.
- ABS: Switches between Absolute and Incremental measurement modes.
- HOLD: Freezes the current display reading.
- ON/OFF: Powers the unit on or off.
- ZERO: Sets the current position as the zero reference point.
- Magnetic Base: Provides stability and allows attachment to ferrous surfaces.
- Measurement Beam: The vertical scale along which the digital head moves.
- Locking Screw: Secures the digital head at a desired position.
Setup
Battery Installation
The iGaging Height Gauge requires two CR2 batteries (included). An extra battery is also provided.
- Locate the battery compartment cover on the back of the digital display unit.
- Carefully slide or unscrew the cover to open the compartment.
- Insert the two CR2 batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Replace the battery compartment cover securely.
Initial Power On
Press the ON/OFF button to power on the device. The LCD display should illuminate and show a reading.
Operating Instructions
Basic Measurement
- Place the height gauge on a stable, flat surface.
- Ensure the measurement foot is clean.
- Press the ON/OFF button to turn on the gauge.
- Press the ZERO button to set the current position as the zero reference. This is typically done with the measurement foot resting on the reference surface.
- Carefully raise or lower the digital head until the measurement foot contacts the object you wish to measure.
- Read the measurement directly from the digital display.
Unit Conversion
Press the in/mm/F button to cycle through the available measurement units: decimal inches, millimeters, and fractional inches.

This image demonstrates how the display changes to show the same measurement in different units, providing versatility for various tasks.
Absolute (ABS) and Incremental Measurement
Press the ABS button to switch between Absolute and Incremental measurement modes. In Absolute mode, measurements are taken from a fixed zero point. In Incremental mode, you can set a temporary zero point at any position to measure relative distances.
Hold Function
Press the HOLD button to freeze the current reading on the display. This is useful for recording measurements in difficult-to-view positions. Press HOLD again to release the reading.
Practical Applications
The iGaging Height Gauge is versatile for various precision tasks:
- Setting Router Bit Height: Use the gauge to precisely set the cutting height of router bits on a router table.
- Measuring Saw Blade Height: Accurately measure the height of saw blades on table saws for precise cuts.
- Aligning Jointer Knives: The flat base allows for precise alignment of jointer knives.

This image illustrates the gauge's application in woodworking, specifically for setting the precise height of a router bit for consistent cuts.

Here, the gauge is shown measuring the height of a circular saw blade, a critical step for achieving desired cut depths.

This image provides another perspective of the gauge being used to set a saw blade's height, highlighting its stability and ease of use.
Maintenance
Cleaning
To maintain accuracy and prolong the life of your height gauge:
- Wipe all surfaces with a clean, dry, lint-free cloth after each use.
- For stubborn grime, use a cloth lightly dampened with isopropyl alcohol. Avoid harsh chemicals or abrasive cleaners.
- Ensure the measurement beam and foot are free of any dust or debris before and after use.
Storage
When not in use, store the height gauge in a dry, temperature-controlled environment, preferably in its original protective packaging or a dedicated case. For extended storage, it is recommended to remove the batteries to prevent leakage and corrosion.
Battery Replacement
Replace batteries when the display becomes dim or erratic. Follow the battery installation steps outlined in the "Setup" section. Dispose of old batteries according to local regulations.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Low or dead batteries; incorrect battery installation. | Replace batteries, ensuring correct polarity. |
| Inaccurate or inconsistent readings. | Dirty measurement surfaces; gauge not zeroed correctly; physical damage. | Clean measurement foot and beam. Re-zero the gauge on a known flat surface. Inspect for damage. |
| Gauge does not move smoothly. | Dust or debris on the measurement beam. | Clean the measurement beam thoroughly. |
| Difficulty making fine adjustments. | This model does not feature a fine adjustment wheel. | Use gentle pressure or the "pinch method" on the body and rule for minute adjustments. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | 9318 |
| Measurement Capacity | 6 inches (150 mm) |
| Accuracy | ±0.0005 inches (±0.01 mm) |
| Resolution | 0.0005 inches, 0.01 mm, 1/128 inches |
| Measurement Units | Inches (decimal), Millimeters, Fractional Inches |
| Base Type | Magnetic |
| Material | Stainless Steel (beam), Aluminum Alloy (base) |
| Power Source | 2 x CR2 Lithium Metal Batteries |
| Item Weight | 2.05 pounds (approx. 0.93 kg) |
| Package Dimensions | 12.83 x 8.58 x 2.56 inches |
Warranty Information
Specific warranty details for the iGaging Digital Electronic Height Gauge are not provided within this manual. For information regarding product warranty, please refer to the product packaging, the official iGaging website, or contact iGaging customer support directly.
Support
For further assistance, technical support, or inquiries about your iGaging Digital Electronic Height Gauge, please visit the official iGaging website or contact their customer service department. You can also find more information by visiting the iGaging Store on Amazon.





