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Tektronix AM503B
Current Measurement System
Includes
AM503B Current Amplifier
A6302 Current Probe
TM502A Power Supply
The AM503S Current Probe System is the
most versatile current measurement system available. Since the probes
incorporate both a transformer and a Hall Effect device, broadband AC/DC
current can be measured simultaneously. Depending on the probe used, current
from DC to 100 MHz and up to 700 A can be measured by clipping the
split-core probes around the conductor. The AM503S is truly a system,
consisting of an AM503B Current Probe Amplifier, a TM502A two-wide Power
Module and an A6302 Current Probe.
The unit is in excellent condition.
Fully tested and performing flawlessly.
- GPIB Programmable Current Probe Amplifier
- Plugs into TM5000 Power Modules
- Operated with External Controller or Manually
from Front Panel
- Manual Current Probe Amplifier
- Push Button Auto Balance/Degauss
- Bright LED Current/Division Display
- Plugs into TM500/5000 Power Modules
- AC/DC Measurements
- With A6302 Probe:
- DC to 50 MHz
- 20 A Continuous/50 A Peak
- Max. Conductor Diameter: 0.15 in.
AM503B Current Probe
Amplifier
The AM503B Current Probe Amplifier is the heart of
the AM503S System. The AM503B amplifies and sums the voltage outputs from
the transformer and Hall Effect device and outputs it to the measurement
instrument. It also provides the Hall Effect Device bias voltage and a
reverse "bucking" current that resists saturation of the A6312/A6302/A6303
Current Probe core.
The AM503B Current Probe Amplifier replaces the
AM503A. All functions are microprocessor controlled, providing a significant
improvement in ease of use and functionality. The AM503B uses bright,
easy-to-read LEDs to display current/division settings which are controlled
with up/down push buttons. A single push button provides both Degauss and
auto-balance functions. An additional significant improvement with the
AM503B is that individual A6312/A6302/A6303 probes no longer need to be
calibrated with a specific amplifier but can be interchanged between AM503Bs
and AM5030s. The AM503B and the AM5030 both support the XL Series of current
probes. The AM503 and the AM503A do not support the XL Series. The AM503B
operates in any TM500/TM5000 power module. The 50 Ω output of the AM503B can
be displayed on any oscilloscope or measurement instrument that has a
sensitivity setting of 10 mV/div. A 50 Ω output cable and termination is
included with the AM503B. The scope or measurement instrument requires at
least a 400 MHz bandwidth to display the full bandwidth of the A6312
(100 MHz) and 50 MHz for the A6303. You can select either AC only mode or a
DC mode which allows you to display a combined AC/DC current signal.
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