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参数资料
| 型号： | A256 |
| 厂商： | TPI (Test Products Int) |
| 文件页数： | 2/2页 |
| 文件大小： | 0K |
| 描述： | ADAPTER AC/DC CLAMP ON FOR DMMS |
| 标准包装： | 1 |
| 类型： | 万用表 |
| 附件类型： | 适配器，电流探头，AC/DC |
| 适用于相关产品： | DMM：钳式仪表或示波器，能测量最大 2000mV AC/DC |
| 技术规格： | 测量 0 ~ 400A |
| 其它名称： | 280-1080 280-1080-ND 290-1080 |
4,000 Count True RMS DMM with waveform capabili-
ties
Applications and Frequently Asked Questions
Included: Insulated Test Leads with
Alligator Clips, Power Supply, NiCad
Battery, and Instruction Manual
6 INSTRUMENTS IN 1
? Auto Ranging 4,000 Count True RMS DMM
TPI’s 440 has 9 measurement functions and 0.3
basic DC accuracy.
? 1 MHz Oscilloscope
View industrial power signals such as motor
controls, UPS, switching power supplies, and
PLC controls with detail and clarity.
? Trend Mode
Graph readings over a predetermined time period
to check for surges or dropouts.
? Component Test
Check voltage-current signatures on capacitors,
resistors, semiconductors and much more.
? Logic Test
Indicates transitions up to 2 MHz.
? Frequency Counter
Measure low frequency signals from 1Hz to 2MHz
and display duty cycle, pulse width and period.
SPECIFICATIONS
DMM
True RMS Yes
Basic DC Accuracy 0.3%
DCV / ACV Up to 1,000 volts
DCA / ACA Up to 10 amps
Ohms Up to 40 Meg ohm
Capacitance Up to 400uF
Frequency Up to 2 MHz
OSCILLOSCOPE
Bandwidth 1 MHz
Sample Rate 20 Megasamples
per Second Single Shot
Channels Single
Glitch Capture Yes
Trend Mode Yes
Auto Set Continuous
Waveform Memory 8 locations
Set-up Memory 8 locations
Viewing Area 160 x 240 pixels
Contrast
Adjustable
T-Base Button
Use feature to manually adjust sweep
speed (time/division) to shrink or enlarge
the viewable waveform for analysis.
Continuous Autoset
Feature automatically determines the
correct vertical and horizontal settings
for optimum waveform viewing. Autoset
provides hands free operation while
moving between test points.
PC/Printer Compatibility to RS-232C Port
Optional accessory A402 allows user
to download data or waveforms to a PC
for archiving, processing, and report
generation. Perfect for extended
monitoring. Eight waveform storage
locations enables remote data
acquisition for later viewing.
True RMS DMM
True RMS allows the user to obtain accurate
measure-ments of non-sinusoidal AC voltage
and current waveform found in controls and
circuits.
International Version : 220 volt 50/60Hz
AC/DC adapter is included when specifying
model no. 440X .
440E1 : Comes with 440 Oscilloscope and
A403 protective boot.
440E2 : Comes with 440 Oscilloscope,
A403 protective boot, and A402 PC software
with RS232 cable
APPLICATIONS
Industrial motor control
View start-up in rush currents, waveform symmetry, SCR trigger pulses, variable frequency
drive signals, pulse width modulation, noise, miscellaneous AC/DC speed control signals, and
synchronous motor and generator field excitation controls.
Power quality
Define AC voltage wave shapes, current waveforms, machine start-up and power quality
interference, and noise on industrial feeds and/or general noise.
Battery testing
Measure voltage drops in Gel-Cell type batteries when connected in circuit. Measure
stationary battery charger float and equalize voltages and individual cell voltages in DC
backup power systems.
Programmable logic controls
Read PLC input and output signals, control signals, signal conditioning circuits, communication
lines and power supplies.
NC/CNC machines
Check power quality, sensor outputs, control circuits, safety circuits, calibration and
adjustments of components, relays and switches. Troubleshoot axis drives.
Uninterruptable power supplies
Sense and monitor circuits, switching circuits, output waveforms and current waveforms.
Audio
Locate noise spikes and voltage/current drops on all home/auto amplifiers, mixers, preamps,
and paging system amplifiers.
Video
Analyze horizontal and vertical scan rates, z-axis blanking, sync pulses and luminance.
Industrial lighting controls
Troubleshoot SCR and Triac dimming controls and photo sensors. Measure lamp ballast
voltages.
Factory automation
Robot control signals, machine vision, machine control and sensing circuits, calibration of
positioning systems, analog controllers, and servo controls.
Line conditioners
Detect noise and monitor waveform distortion.
Voltage regulators
Define noise and stability.
Where do I use the 440? The 440 is ideal for viewing industrial
FAQ
power signals, UPS systems, power
supplies and PLC controls. Use
anywhere a DMM is used.
Does the 440 measure capacitance?
Yes, the 440 can measure up to 400uF
(microfarads).
What is the highest voltage the 440
can measure?
The 440 can measure up to 1,000 DCV
and 1,000 ACV.
What is the lowest voltage the 440
can measure?
The 440 can measure down to 0.1
millivolts on both DCV and ACV.
The scope also has a volts/division
setting of 0.1 volts.
How is the RS232 port used?
With the optional A402 cable and software
you can acquire data and download it to a
spreadsheet.
Can the 440 measure more than 10 DCA
or ACA?
Yes, TPI offers a number of amp adapters
to extend the range up to 1,000 amps. TPI
has a wide range of optional accessories
that enables the user to measure amps,
temperature, pressure, or CO.
CERTIFICATION OF CALIBRATION,
Inverters
Define waveform quality.
Gaming Industry
Troubleshoot for component and capacitor degrading which causes noise to appear as periodic
waveforms or rapid fluctuations. Most meters cannot catch these anomalies due to a slow
CERTIFICATE OF COMPLIANCE
For details and related fees,
call 800-368-5719.
Protective Boot
A403
Protect against impact
and wear.
Hanging Boot Hook
A103
Work hands free with
the 440’s protective
PC Software &
RS232 Cable
A402
Download data and
waveforms from the
460 to any PC using
Microsoft Windows.
Soft Zipper Case
A900
Keep your 440, AC/DC
charger, test leads and
optional accessories
at the ready. Moveable
partitions and adjust-
able shoulder strap.
Clamp-on Adapter
A256
Measure up to 400
AC/DC amps.
A296
Measure up to 1,000
AC/DC amps.
Low Current Adapter
A254
Measures from
10mA to 60 amps
AC/DC.
Deluxe Test Lead
Kits TLS2000B &
TLS2000RB
High-quality silicone-
rubber test leads
with 700-wire strand.
Cigarette Lighter
DC Adapter
A408
Charge the 440 while
on the road or in
remote locations.
sampling frequency. The 440 samples at 20 million times per second. This offers a visual graph
of the voltage making it fast and simple for you to detect the noise.
boot and hook.
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