Although the throat is actually a little bit deeper, the maximum measuring reach is 4-5/8" on this mechanical dial thickness gage. It uses Mitutoyo's model 2416 dial indicator with ceramic anvils 10 mm in diameter. It will not be possible to change, exchange, or interchange these anvils because they've been adjusted to be parallel to each other. Model 7322 ... $149.00 order now - Resolution .001"
- Range 0-1"
- Anvil diameter .4" (10 mm) flat ceramic
- Accuracy ±.002"
- Measuring force less than 1.5 N
These deep throat thickness gages come factory calibrated but there is no certificate to this effect. If you don't already have a gage block for calibration, you should consider buying one so that you can perform periodic tests (daily, before the start of any new project, after any possible damage, and/or every 3 months). When the anvils of the thickness gage are closed, the dial reading must be set to zero. This is accomplished by turning the bezel. When a gage block of some specified size is measured, the reading on the dial should not be off by more than 2 graduations. Use a gage block which is closest the size which you measure most often. More calibration instructions are available on page 7. One-year manufacturer's warranty and multi-lingual instructions are included. Currently the letter S is appended to the model number, such as 7322S. This indicates that the gage is made in Japan and is of the newer design. The manufacturer changes these designations quite frequently. To simplify matters, we will dispense with this letter. Best of all, if it ever malfunctions and needs repair, Long Island Indicator will be able to help. | 
