The LE900 Ferrous Coating Gauge: Now Consolidated Into the LZ990
The LE900 measured non-magnetic coatings (paint, plating, anodizing) on iron and steel using a single integrated probe. It is no longer manufactured. Its measurement role is now part of the LZ990, a one-piece gauge that reads ferrous and non-ferrous substrates automatically, so a shop no longer needs a separate tool for each metal type.
What the LE900 Did
- Ferrous-only measurement: electromagnetic measurement of non-magnetic coatings on iron and steel, with the iron (FE-J) calibration substrate included.
- Integrated probe body: a single sealed handheld with a spring-loaded probe for curved and edged parts, no separate cable to manage.
- Field-ready range and accuracy: 0 to 1500 um (0 to 60 mils), accuracy of plus or minus 1 um below 50 um and plus or minus 2% above, on roughly 40 hours of battery life.
Why the LZ990 Replaces It
Your LE900 measured coatings on steel only. The LZ990 adds non-ferrous measurement in the same one-piece tool, detecting the substrate automatically with no mode to set. It also extends the range to 2000 um, adds onboard memory for roughly 1000 readings with statistics and lot functions, moves to 16 calibration channels, and adds USB and RS-232C output, none of which the LE900 had. Accuracy is unchanged: the LE900 already met the same specification.
Looking for a current replacement? The LZ990 Integrated Coating Thickness Gauge reads ferrous and non-ferrous substrates automatically in one sealed body.

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