Control Elements
Illustration (foldout page)
1. 3
3
/
4
digit liquid crystal display (LCD) and display of functions and measuring units
2. Push-button panel with the function buttons 2a „RANGE“ (manual range selec-
tion),
2b „Hz %“ (switch-over from frequency measurement to duty cycle), 2 c „REL“
(relative = reference value measurement) and 2 d „HOLD H“ (hold on)
3. „POWER“ button for measuring instrument on / off
4. Buttons for the subfunctions
5. 20-A input This measuring input is secured by 10A (fuse) and has been
approved for the connection to direct and alternating currents of up to a maxi-
mum of 20A (for a max. period of 10s with pauses of 15min between the single
measurements).
6. mA/µA input At this input, direct and alternating currents of up to max. 400mA
can be measured (secured by a quick-acting 0,4A fuse).
7. Hz/V/ohm – input socket (positive connection)
8. COM – input socket (COM or negative connection)
9. Battery compartment cover with battery compartment below (rear side)
10. Serial RS - 232C - infrared interface (unidirectional) for the connection / the data
transfer to a PC
11. Rotary switch for setting the measuring functions
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Control Elements (fold-out page) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Handling and Starting-up Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Carrying out Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Servicing and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Technical Data and Measuring Tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
22
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