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Handheld Instruments Basic Service
3
DMM800 Series Specifications
The characteristics listed in this section apply under the following conditions:
�
The instrument operates in an 18
�
to 28
�
C ambient environment at less than
75% relative humidity.
�
The batteries are adequately charged (the battery indicator does not display).
NOTE
. All specifications are warranted unless marked “typical.” Typical
characteristics are not guaranteed but are provided for the convenience of the
user.
Table 2: General specifications
Characteristic
Description
LCD display digits
4
3
/
4
or 3
3
/
4
Bargraph segments
40
Display count
40,000 or 4,000
Numeric update rate
1 time/sec (40,000 count)
4 times/sec (4,000 count)
Bargraph
20 times/sec
P olarity display
Automatic
Overrange display
OL is displayed
Low voltage indicator
Battery indicator
Automatic power-off time
User selectable (default = 15 minutes)
P ower source
One standard 9 V battery, ANSI/NEDA 1604A, IEC 6F22
Maximum input voltage
1000 V (750 V AC) CAT II between V and COM
Maximum floating voltage
1000 V (750 V AC) CAT II between any terminal and earth ground
Maximum input current
400 mA between
�
A mA and COM
10 A continuous between A and COM (20 A for 30 seconds)
Maximum open circuit voltage
Current inputs: 600 V between A and COM and between
�
A mA and COM
Overload protection
�
A mA connector
1 A (600 V) fast blow fuse (type BLS or BBS)
Tektronix part number 159-0337-00
A connector
15 A (600 V) fast blow fuse (type KTK or KLK)
Tektronix part number 159-0287-00
V connector
1100 V
pk
AC + DC
V
V
850 V
pk
Hz
mV
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C