DM44
DIGITAL
MUL
TIMETER
I
RESISTANCE
1/TIME
Maximum Safe Input Voltage: 120 V rms
between
+ and
COM
inputs
.
Resistance Accuracy: 200 0
range-within
0.25%
±1
count,
plus
probe
resistance; 2 kO, 20 kO, 200 kO, and 2
MO
ranges-within
0.25%
±1
count;
20 MO
range-within
0.3% 1
count.
Temperature Dependence: 20 kO , 200 kO ar,d 2 MO
ranges-250
ppm/
oC;
2000,
2 kO and 20
MO
ranges-
350
ppm/
oC.
Resolution: 0.1
O.
Recycle Time:
At
least 3
measurements/second.
Response Time:
All
ranges
within
1
second
except
2
MO and 20 MO
(within
5
seconds).
TIME
Accuracy: + 15
to
+
35°C;
within
1%
of
reading
±1
count.
-15
to
+ 55° C;
within
1.5%
of
reading
±1
count.
Accuracy:
+15
to +
35°C;
within
2%
of
reading
±1
count.
-15
to
+55°C;
within
3%
of
reading
±1
count.
TEMPERATURE
Range:
-55°C
to
+150
° C in 1
range
.
Accuracy:
Original
Probe-Within
2°C
,
-55
° C
to
+125°C.
Within
3°C,
+125
° C to
+150
° C.
Replacement Probe:
Accuracy
will
equal
original
probe
accuracy
after
DM44
is
compensated
.
Maximum Safe Voltage
on
Measurement Surfaces:
±100
V (dc + peak ac)
above
chassis
ground.
Temperature (Storage and Operating):
Probe
Body
and
Cable,
-55
°C
to
+
105°C.
Probe
Sensor
Tip
,
-55°C
to
+150°C
.
DC
VOLTAGE
Maximum Safe Input Voltage:
±1200
V
(dc
+ peak ac)
between
+ and chassis.
Common Floating Voltage:
±500
V (dc + peak ac)
to
chassis.
66 475A/DM44 Operators
REV
.
A,
DEC. 1977
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