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型号： 194
厂商： TPI (Test Products Int)
文件页数： 2/2页
文件大小： 0K
描述： DMM AUTO-RANGE IND 600V CAT IV
标准包装： 1
系列： 190
样式： 手持型
类型： 数字（DMM）
显示器位数： 4.75
显示器类型： LCD，三路输出，条形图
显示器计数： 50000
功能： 电压，电流，电阻，电容，频率
功能，附加： 连续性，二极管测试
特点： 自动关闭，背光，保持，最小/最大，比较，数据记录（RS-232）
范围： 自动
响应： 真有效值 RMS
包括： 电池，手册，测试引线
其它名称： 194TPI
194TPI-ND
290-1424
TPI 194
TPI194
TPI DIGITAL MULTIMETER TERMINOLOGY
TPI DIGITAL MULTIMETER SPECIFICATIONS
CATEGORY RATINGS
batter y operated
radio
refrigerator
light
distribution panel
furnace
power meter
100
120
122
126
133
DMM Model Part Number
135 153 163 183
190
192
194
196
440
>> Category I: Usually electronic equipment or
equipment where measures have been taken to limit
transient over voltages.
telephone
Range Selection
Manual
Auto*/Manual
Display Specifications
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>> Category II: Single phase loads like appliance
personal computers, television sets, and other
household loads. Outlets located more than 30 feet from
oven
2,000 Count
3,260 Count
4,000 Count
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a CAT III source or more than 60 feet from a CAT IV
source.
>> Category III: Distribution level fixed installations like
distribution panel devices, short branch and feeder
circuits, three phase loads, and single phase
commercial lighting.
copier
telephone
cut off saw
grinder
three-phase
motor/
conveyor
distribution panel
power meter
4,000 Count w/
Triple Display
4,000 Count w/
Waveform Display
50,000 Count
Triple display
Analog Bar Graph
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>> Category IV: Equipment and lines located on the
power line side of a service panel or where a low voltage
connection is made to utility power
CAT I
CAT II
CAT III
underground ser vice
CAT IV
Backlight
Basis Features
AC Volts
DC Volts
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AC Amps
DC Amps
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Resistance
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Diode Test
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T erminology
Audible Continuity
Additional Features
True RMS
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Frequency
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>> Agency Approval : Test equipment with the CE or UL mark have
passed through tests and are designed with operators safety in mind.
>> Record Mode: Record and display the minimum and maximum
readings measured. This feature is useful when looking for trends over
a long period of time.
>> Record Mode: Record and display the minimum and maximum
readings measured. This feature is useful when looking for trends over
a long period of time.
>> Relative Mode: Displays measured value as a percentage of the
stored value. This feature is useful for component checking.
Capacitance
Inductance
Data Hold
Two Hold System
Min/Max Record
Relative Mode
Compare Mode
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>> Auto Range: Meter automatically selects the appropriate range after
>> Compare Mode: Compares measured value with stored value. This
RS-232 Output
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the function has been selected.
>> Backlight: Feature allowing the display to be illuminated for easier
viewing in low light conditions.
>> Basic DC Accuracy: Important specification affecting the overall
feature is useful when component matching.
>> Audible Continuity: Audible beep indicating a complete circuit
connnection
>> RS-232 Output: Transfer data directly to a PC while performing
Oscilloscope Functions
Duty Cycle
Pulse Width
Logic Test
Process Output (0~24mA)
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accuracy of all functions on a DMM.
tests
Sleep Mode/Auto Off
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>> Resolution: A measurement of how small of a signal a meter can
display. This specification must be taken into account with accuracy to
determine the overall capability of a DMM.
>> True RMS: Allows accurate measurement of non-sinusoidal AC volt-
age and current found in many control and switching power supply
circuits.
>> Analog Bar Graph: Provides the ability to see rapidly changing
signals too fast for the digital display to see.
>> Triple Display Simultaneosly display more than one reading at the
same time. This feature is useful when measuring AC volts beacuse the
frequency can be displayed at the same time without having to switch
ranges
>> Sleep/Auto Off: Automatically powers instrument down after 30
minutes of inactivity to preserve battery life. Meters with sleep mode
will still acquire data during this time
>> Data Hold: Freezes the reading on the display. This feature is useful
when recording readings on paper or when in hard to see locations.
Triple display meters can hold two readings on the display at the same
>> Process Output: Supply 0 ~ 24mADC for testing current loops and
current loop devices
>> Waveform Display: The ability to see the actual waveform under
test. This feature is useful for determining the quality of the input
signal.
>> Duty Cycle: The total “on” time of the device under test. This
feature is useful in preventing component overheating
>> Pulse Width: Measurement of the duration of a pulse. This feature
is useful when testing pulse width modulation drive motors.
>> Logic Test: Measurement transitions of logic circuits. This feature is
useful when testing CMOS and TTL logic circuits .
>> Two Hold System: Meters with this feature can hold two readings
on the display at the same time
>> Digits: Total number of digits that can be displayed. For example, a
3? digit meter can display a maximum of 1,999. A 3? digit meter can
display a maximum of 3,999. This means the 3? digit meter has beter
resolution capability.
Range & Resolution
Basic DC Accuracy
DC Voltage (maximum)
Input Impedance
Resolution (maximum)
AC Voltage (maximum)
Input Impedance
Resolution (maximum)
DC Amps (maximum)
Resolution (maximum)
AC Amps (maximum)
Resolution (maximum)
Resistance (maximum)
Resolution (maximum)
Frequency (maximum)
Resolution (maximum)
Capacitance (maximum)
Resolution (maximum)
Inductance (maximum)
Resolution (maximum)
Agency Approval
0.5%
600V
10M ?
1mV
600V
10M ?
1mV
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40M ?
0.1 ?
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0.5%
600V
10M ?
1mV
600V
10M ?
100mV
-
-
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-
2K ?
1 ?
-
-
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-
-
-
0.5%
600V
10M ?
1mV
600V
10M ?
1mV
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-
-
-
2K ?
1 ?
-
-
-
-
-
-
0.3%
600V
10M ?
0.1mV
600V
10M ?
1mV
400mA
0.1mA
400mA
0.1mA
40M ?
0.1 ?
-
-
-
-
-
-
0.5%
1,000V
10M ?
0.1mV
750V
10M ?
0.1mV
10A
0.1μA
10A
0.1μA
20M ?
0.1 ?
-
-
-
-
-
-
0.5%
1,000V
10M ?
0.1mV
750V
10M ?
0.1mV
10A
0.01μA
10A
0.01μA
40M ?
0.1 ?
-
-
20,000μF
0.1μF
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-
0.3%
1,000V
10M ?
0.1mV
750V
10M ?
1mV
10A
0.1μA
10A
0.1μA
40M ?
0.1 ?
-
-
-
-
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0.5% 0.3% 0.05% 0.05% 0.05% 0.05% 0.05%
1,000V 1,000V 1,000V 1,000V 1,000V 1,000V 1,000V
10M ? 10M ? 10M ? 10M ? 10M ? 10M ? 10M ?
0.1mV 0.1mV 0.001mV 0.001mV 0.001mV 0.001mV 0.1mV
750V 750V 750V 750V 750V 750V 1,000V
10M ? 10M ? 10M ? 10M ? 10M ? 10M ? 1.11M ?
1mV 1mV 100μV 100μV 100μV 100μV 1mV
10A 10A 10A 10A 10A 10A 10A
0.1μA 0.1μA 0.01μA 0.01μA 0.01μA 0.01μA 0.1μA
10A 10A 10A 10A 10A 10A 10A
0.1μa 0.1μA 0.01μA 0.01μA 0.01μA 0.01μA 0.1μa
32.6M ? 40M ? 50M ? 50M ? 50M ? 50M ? 40M ?
0.1 ? 0.1 ? 0.01 ? 0.01 ? 0.01 ? 0.01 ? 0.1 ?
- 200KHz 500KHz 500KHz 500KHz - 2MHz
- 0.01Hz 0.001Hz 0.001Hz 0.001Hz - 0.01Hz
- 10,000μF 20,000μF 100μF 20,000μF - 400μF
- 0.01μF 0.001μF 0.1nF 0.001μF - 100pF
- - - 500mH - - -
- - - 0.01mH - - -
time.
>> Counts: Total number of display steps a meter has. This is
determined by adding one to the maximum display value. For example,
CE IEC 1010
CAT III
600V
CAT III
600V
CAT III
600V
CAT III
600V
CAT II
1,000V /
CAT II
1,000V /
CAT II
1,000V /
CAT II
1,000V /
CAT II
1,000V /
CAT II
1,000V /
CAT II
1,000V /
CAT III
1,000V /
CAT II CAT II
1,000V / 1,000V /
>> Input Impedance: Total resistance of the meter as measured at the
input terminals. Meters with high impedance, 10M ? or more, cause
a 3? digit meter can display a maximum of 1,999 and therefore has
2,000 count capability. Both digits and counts must be taken into
CAT III
600V
CAT III
600V
CAT III
600V
CAT III
600V
CAT III
600V
CAT III
600V
CAT III
600V
CAT IV
600V
CAT III CAT III
600V 600V
negligible loading of the circuit under test. This is important because
account when determining resolution. In general, the more counts a
CULus 3111
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circuit loading can adversely influence the displayed reading and can
cause damage to the circuit under test.
meter has the higher the resolution will be.
*the range selection for the 100 DMM is auto only
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