Sper scientific 840063, Instruction Manual

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BATTERY REPLACEMENT
When the top left corner of LCD display indicates “LBT,” it is time
to replace the battery. Accurate readings may be taken for several
hours after the low battery indicator appears. Open the battery
cover, install a fresh 9V battery and replace the cover.
CLASSIFICATION RANGES
There are 4 different machine groups with 4 classification ranges
and limits for ISO 2372 and VDI 2056, machinery.
GROUP K:
Small machines, especially production
electrical motors of up to 15 KW.
Good 0 to 0.71 mm/s
Acceptable 0.72 to 1.80 mm/s
Still permissible 1.81 to 4.5 mm/s
Dangerous > 4.5 mm/s
GROUP M:
Medium sized machines, especially
electrical motors with 15 to 75 KW
output, without special foundations.
Good 0 to 1.12 mm/s
Acceptable 1.13 to 2.80 mm/s
Still permissible 2.81 to 7.1 mm/s
Dangerous > 7.1 mm/s
GROUP G: Large machines on heavy foundations.
Good 0 to 1.80 mm/s
Acceptable 1.81 to 4.50 mm/s
Still permissible 4.51 to 11.2 mm/s
Dangerous > 11.2 mm/s
GROUP T:
Largest machines and turbo machines
withspecial foundations.
Good 0 to 2.80 mm/s
Acceptable 2.81 to 7.10 mm/s
Still permissible 7.11 to 18.0 mm/s
Dangerous > 18 mm/s