X-Rite updated the 341 in January of 1996. The electronics were improved. Beginning with serial number 9794, all X-Rite 341's can read a density range from 0.00D to 5.00D. Older units may be updated if they are of the vintage that has a power switch on the bottom. For current pricing please contact an X-Rite Service Agent.
This upgrade is a normal part of a flat-rate repair.
This upgrade allows the customer to read densities up to 5.0 density. The unit may read higher than 5.0D, but we do not guarantee the accuracy above 5.0D.
To read densities this high, the customer must have the 3mm aperture installed. This is the larger of the two that we send with a 341.
If the customer needs to read films higher than 5.0D, refer them to the 361T Densitometer.
Once a unit has been upgraded for 5.0D capability the lamp stays on for a longer interval which means that the battery charge will not last for as many readings