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| 型号： | 291 |
| 厂商： | TPI (Test Products Int) |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | MANUAL DGTL CLAMP W/TEST LEADS |
| 标准包装： | 1 |
| 类型： | 电流钳表（独立） |
| 技术规格： | DMM 函数包含电压、电阻和700A的电流 |
| 额定值： | CAT III 600V |
Digital Clamp-On Meter Selection Guide
DC Amps
296
DC μA
270, 275
265
293
Selecting your Digital Clamp-On Meter
1. Determine the maximum over voltage installation
category (CAT I ~ CAT IV) the clamp-on will be used
in and narrow your choice to those meters meeting
Frequency
265, 270, 275,
275
270
the requirement. The Category rating for each meter
is listed in the specifications table on page 3.
293, 296
Capacitance
265, 270, 275
True RMS
275, 293, 296
Non-contact
Voltage
270, 275
T emperature
270, 275
% Harmonic
Distortion
296
296
255
Model 291 is CE only
291
2. Narrow your choice by selecting meters with the
features required for your intended applications. For
example, if your applications require a CAT III meter
with frequency and capacitance measurement
capability, the TPI 265 ,TPI 270, or TPI 275 would
be good choices.
3. Finally, select a meter with enough range,
accuracy, and features for the tests you will perform.
For example, if you have narrowed your choice to
the TPI 265, 270, and 275 and your applications
require the capability to capture motor inrush
amperage, the analog peak hold of the 270 and 275
make them the better choice.
APPLICATIONS
Market Function 255 265 270 275 291 293 296
HVAC/R Electrical Electronic
Thermocouples in furnaces
and gas appliances
Heat anticipator current in thermostats
?
?
DCmV
ACA
Line voltages
Control voltages
Flame safety control current
Heating element resistance
Compressor winding resistance
Contactor and relay coil resistance
Motor and compressor startup current
Motor run and start capacitors
Bar graph indicator of rapid fluctuations
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ACV
ACV/DCV
DCuA
Ohms
Ohms
Ohms
ACA
CAP
All
The
Value
Leader ?
Continuity of wiring
Measure frequency
on control and line voltage
Record minimum and maximum
of measurements
Measure temperature
Measure True RMS of distorted
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Ohms
Hz
REC
DCV
*
*
*
or non-linear signals
Measure line current
?
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?
?
?
ACV/ACA
ACA
Test continuity
of circuit breakers and fuses
?
?
Ohms
Measure voltage
of direct drive DC motors
?
DCV
See page 3 inside for
ranges, specifications,
and features.
Measure power supply voltage
Measure power supply current
Non-Contact Voltage Detection
* Requires A301 or A312 adapter
?
?
?
?
?
ACV/DCV
DCA
NCV
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 291 05 | 制造商:Wiha Quality Tools 功能描述:TORQUE SCREWDRIVER |
| 291 06 | 制造商:Wiha Quality Tools 功能描述:TORQUE SCREWDRIVER |
| 291 09 | 制造商:Wiha Quality Tools 功能描述:TORQUE SCREWDRIVER |
| 291 1,2 | 制造商:Wiha Quality Tools 功能描述:TORQUE SCREWDRIVER 1.2NM |
| 291 11 | 制造商:Wiha Quality Tools 功能描述:TORQUE SCREWDRIVER |
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