Technical Data, Measuring Tolerances; Safety Instructions - Conrad Electronic DT 2 L/k Bedienungsanleitung

Technical Data, Measuring Tolerances

a) Technical Data
Display : 5-digit LCD up to 99,999
with 21 mm character height
Measuring range : laser measurement/contactless 5 to
99,999 revolutions per minute
contact measurement 0.5 to 19,999
rev/min.
belt speed 0.05 m to 1,999.9 m per
minute (m/min.) or 0.2 ft to 6,560 ft per
minute (ft/min.)
Laser power : < 1 mW (laser class II)
Wave length of the laser : 645 nm, red; nm = nanometer = 10 to
the power of -9 meters
Operation temperature : 0° to +50°C, with a relative humidity in
(instrument) air of less than 80%, not condensating
Battery power : 4 x 1.5V battery, type AA
Current consumption : approx. 10 mADC, without laser,
approx. 53 mADC, with laser
Low battery display : "LO" appears in the display, when the
battery voltage is below about 4.5 V.
Weight : about 260 g (incl. battery)
Dimensions (L x W x H) : Measuring instrument: 215 x 75 x 38 mm
26
Table of Contents
Introduction ....................................................................................16
Prescribed Use ..............................................................................17
Setting Elements (fold-out page) ....................................................18
Table of Contents ..........................................................................19

Safety Instructions ..........................................................................19

Function Description ......................................................................19
Replacing the Battery ....................................................................22
Operation, Taking Measurements ..................................................23
Disposal ..........................................................................................24
Trouble-Shooting............................................................................25
Maintenance ..................................................................................25
Technical Data, Measuring Tolerances ..........................................26
Safety Instructions
We do not accept responsibility for damage to pro-
perty or for personal injuries caused by the non-
observance of these operating instructions. Warran-
ties will not be accepted in any such case!
Caution – If any other operating devices or other modes of
application than those described in these operating instruc-
tions are administered this may lead to dangerous exposition to
radiation.
19