Philips pm2521 - 6.4. MEASURING; 6.4.1. Standard measurements

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DESCRIPTION
APPLICATION
FUNCTION
SELECTOR
*
Rotary function selector.
For function °C an optional Pt-100 temperature probe e.g. PM 9249 must be used.
Function trigger level is combined with pushbutton +/— and the thumbwheel.
Function s is combined with the STOP/RESET pushbutton and with function trigger
level.
Function Hz is combined with function trigger level.
INPUT SOCKETS
0
V-El-mA
0.2 A - 10 A
PROBE
Combined LO socket for all functions with exception of °C.
Combined Hi socket for the function V^^, V~, Hz, trigger level, s, mA-r-r-r, mA~,
S2.-W-
Hi input socket for high currents
8-pole DIN socket to be used for:
— Pt 100 temperature probe e.g. PM 9249
— Data Hold probe PM 9263
potentiometer:
+/— thumbwheel
<Z>
i
Potentiometer for adjusting the + and — trigger level.
Zero setting potentiometer.
6.2.2. Rear panel (Fig. 23, page 142).
DESCRIPTION
APPLICATION
MAINS INPUT
SOCKET
Input socket for 110 V, 220 V and 240 V 50/60 Hz mains
*
FUSE
Mains fuse, situated in a special fuse holder in the mains socket
125 mA Fast, 110 V ... 240 V mains
6.3. ZERO SETTING
Proceed as follows:
ft
— Select function V—— with the function selector.
- Select the automatic ranging mode with pushbutton AUTO/MAN*.
Remark:
Manual ranging mode is indicated with a * on the display.
— Short circuit the 0 and V-f2-mA terminal.
— Adjust with a screwdriver and the zero potentiometer, which is situated between the PROBE input and
the +/— pushbutton, the display to 000.00 mV ± 1 digit.