Radio Shack 22-174A User Manual

FREQUENCY
Ranges
(Max.
Readinosl
Rerolutlon Accuracy
2.000
MHz 1 kHz t5o/o.t 5 Dioits
399.9 kHz 100 Hz
+30/o.+l
Dioit
39.99 kHz 10 Hz t3%.t1Dioit
3.999
kHz
1Hz
t3o/o,tl
Diqit
lnput
Sensitivity
................
500 mV
p-p
lnput
lmpedance ....................
1
Megohm
in Parallelwith
50
pF
DIODE TEST
The
diode
test
is
performed
by
measuring the
voltage drop
across the diode.
Nominal
Current
Overrange
..:..................
>
2
VDC to Open Circuit
CONTINUITY
TEST
The continuity test
is a.resistance
measurement
perlormed
in
the 399.$ohm
range. Opencircuit
conditions
give
an
over-
range
indication. Beeper operation
is automatically
enabled.
Continuity
is defined
if resistance
is
50
ohms or
less.
The
beeper
sounds
within
150 milliseconds of the
reading.
hre FUNCTION
Direct
Reading of
hrE from 0 to 39.99K
Emitter
Current
.... 0.5
mA
(Approx.)
VCe ............................;.......
Ranges
from 1 to 3
Volts
(Approx.)
12
GENE
RAL
SPECIFICATIONS
Temperature
Function:
Total
Range
..
-
Sg. to
302.F
(-
S0"
to 150"C)
32o
lo 212"F
(0'
to
100'C)
Accuracy
I 3.6"F
(2"C)
Repeatability
Per
Probe +
1.8.F
(1.C)
Sensor
Type
............
.....
Thermistor
(Supplied)
Normal
Sensor
Resistance
...................
10
kO
Response
Time
............
..
5 Seconds
(Typical)
(Depends
on
Contact
Quality
and
Ambient
Temperalure)
Operating
Temperature
32.
ls 12ZaF
(0"
to
50"C)
Storage
Temperature:
Without
Batteries
-
20"
to 158.F
(-
29.
to 7ffiC)
With
Batteries
.......................
-2C
lo 122"F
(-
ZSfo
Sd6b)
Relative
Humidity:
On resistance
measurements greater
than i MO
and
400
mVDC,
400
nF
capacitance
ranges,
relative
humidity
is
up to
80%
@
32. to,95.F
(0"
to 35"C)
All
Other
Ranges:
Up to
90%
@
32. to
gs"F
(0"
to 35.C)
Up
to 70%
@
95'to 122.F
(3S"
to 50"C)
Maximum
Common-Mode
Voltage
.........
SOO VDC
or
peak
AC
Dimensions
81/2x 43/a
x 211.4a
lnches
Weight
1tb7
oz
(Approx.)
Power
Requirements
6 MBatteries
Battery
Life
(Alkaline)
...........
500 Hours
Minimum
Low-Battery
lndication
3.gO
V r
0.1 V
Battery
Measurement
Frequency
........
1 Per
Minute,
Minimum
Standards
ETL,
UL, FCC
13

Radio Shack 22-174A Specifications

General

Brand	Radio Shack
Model	22-174A
Category	Multimeter
Language	English