7.
>2 sec HOLD" button for the background lighting and/or the hold-
function (freezes the measured value)
8.
"MIN MAX" button for the maximum value - (MAX),
the minimum value – (MIN) and
the average measured value (AVG)
9.
"SET" button for the setting mode for the "Hi / Lo" functions (above or
below a set limit),
"REL" (measuring relative to a reference value)
and "TOL" (measuring within tolerances)
10.
"REL" button for reference measuring
11.
"Hi / Lo" button for setting the upper and lower limits in
connection with the "SET" button
12.
"TOL" button for tolerance value measuring
13.
"+ / –" base with contact slots for measuring components with suffi-
ciently long terminals
14.
"+ / –" measuring input for connecting the instruments leads
15.
Battery compartment (under the holster in the bottom side of the instru-
ment)
16.
Serial RS-232 interface and DC-input (polarity "+" inside)
17.
LCDs, main display and sub-display (small), 2 x 4
1
/
2
-digit, maximum
value to be displayed: 19999
APO
AUTO POWER OFF display
RS 232
interface on display
R
Display symbol for the MIN – MAX value input
MAX
Display symbol for the maximum value
MIN
Display symbol for the minimum value
AVG
Display symbol for the average value
AUTO
Display symbol for the automatic range selection
26
2000 mH
±(0.7%+5dgts)
100 µH
---
20 H
±(0.7%+5dgts)
1 m H
---
200 H
±(1,0%+5dgts)
10 mH
open
2000 H
not specified
100 mH
---
mH = micro-Henry = 10 exp. -6; mH = milli-Henry = 10 exp. -3; H = Henry = As/V
For the tolerance the respective inductor value "Lx" divided by 10000 in
brackets must be added.
=========================================================
Resistance 20
Ω
±(1.2%+8dgts)
1m
Ω
short-circuit
200
Ω
±(0.8%+5dgts)
10 m
Ω
short-circuit
2 k
Ω
±(0.5%+3dgts)
100 m
Ω
---
20 k
Ω
±(0.5%+3dgts)
1
Ω
---
200 k
Ω
±(0.5%+3dgts)
10
Ω
---
2 M
Ω
±(0.5%+5dgts)
100
Ω
open
10 M
Ω
±(2.0%+8dgts)
1 k
Ω
open
Voltage at the open measuring circuit: approx. 550 mV with 120 Hz test fre-
quency, and 350 mV with 1 kHz test
frequency
=========================================================
C Maximum input values
Measuring resistors....................: max. 10 MOhm
Measuring capacitors.................: max. 20 mF
Measuring inductors ..................: max. 20000 H
43
