Benning IT 101, Operating Manual

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03/ 2009
BENNING IT 101

14
3.7 one compact protective pouch
3.8 four mignon batteries 1.5 V/ type AA according to IEC LR6 and one fuse
(fitted in unit as initial equipment),
3.9 one operating manual
Parts subject to wear:
- The BENNING IT 101 contains a fuse as protection against overload:
One fuse, nominal current rating 315 mA (1000 V), 10 kA, FF, D = 6.3 mm,
L = 32 mm (part no. 757213)
- The BENNING IT 101 is powered by four mignon batteries 1.5 V/ type AA
according to IEC LR6.
4. Description of the appliance tester
See figure 1: Front side of the instrument
See figure 2: Digital display
The display and operator control elements specified in Fig. 1 and 2 are desig-
nated as follows:
1
Sensor , of the automatic background lighting
2
Digital display
A
AUTO SENSE , for automatic detection of DC and AC voltage,
B
Digital display , for the measured value and analogue bar graph display,
C
TEST , appears when the measuring function for insulating resistance and
low resistance is activated,
D
LOCK (latching) , permits continuous measurement of insulating resistance
and low resistance,
E
APO , Auto Power Off is activated,
F
LPF , is indicated with the low-pass filter being activated,
G
AC/ DC , is indicated when a DC or AC voltage is measured,
H
, is indicated in case of compensation (null balance) of the measuring
leads,
I<
Range indication ,
J
COMPARE , is indicated in case of the comparative function of insulating
resistance measurement,
K
DAR , is indicated if the measurement of the dielectric absorption rate is
activated,
L
PI, is indicated if the measurement of the polarization index is activated,
M
Testing voltage indication , is indicated when the insulating resistance is
measured,
N
Clock , measuring time of the PI / DAR measurement,
O
Battery condition indicator „ “, appears when the battery is dis-
charged,
P
Overflow ,
Q
Polarity indication ,
R

(high-voltage indicator) , is indicated if a dangerous voltage is applied,
S
MEM , is indicated when an internal memory of measured values is acti-
vated,
3
Key (blue) , change-over key for the secondary function,
4
COMP key , activates the comparative function for insulating resistance
measurement,
5
STORE / RECALL key , storage and call of measured values,
6
LOCK (latching)/ PI/DAR key , permits continuous measurement of insu-
lating resistance and low-resistance as well as activates the measurement of
the dielectric absorption rate and of the polarization index,
7
Green LED (PASS) , lights up, if the measured value exceeds the compara-
tive value (resistance value) in the COMP mode,
8
TEST key , activates the measurement of the insulating resistance and of
the low-impedance resistance,
9
Red LED (high-voltage control indicator) , lights up if a dangerous voltage
is applied,
J
Rotary switch , for selecting the measuring function,
K
Ω socket , for resistance and low-resistance measurement,
L
Jack (positive) , for measuring voltages and insulation, polarization index
(PI), dielectric absorption rate (DAR),
M
COM jack , common jack for measurements of voltage, resistance, low-
impedance, insulation, polarization index (PI) and dielectric absorption rate
(DAR)
N
Rubber protective frame .
5. General information
The BENNING IT 101 is intended for measuring the insulating resistance.
The BENNING IT 101 supports electric safety tests according to DIN VDE 0100,
IEC 60364, VDE 0701-0702, BGV A3, ÖVE/ ÖNORM E8701 and NEN 3140.