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LEM
2420
2-Channel
Pulse Energy and Power Measuring Instrument
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Display-Examples
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| Signal
Input |
1
MOhm, 25 pF, max. 50 V |
| External
Trigger Input |
TTL-
und CMOS - compatible |
| Interface |
RS
232 |
| Accuracy |
1%
5% iin lowest range |
| Max.
repetitionrate |
250
Hz |
| External
power plug |
9
V DC /300 mA |
| Battery
life time |
>
16 h (without backlight) |
| Trigger
level |
5
.. 95 % of range |
| Display
refresh |
50
ms .. 1 s |
| Correction
factor |
1
.. 100 % |
| Averaging |
über
2 .. 256 pulses |
| Display |
320
x 240 pixel
(with backlight) |
| Dimensions
(lengthxwidthxheight) |
21
cm x 11,5 cm x 6 cm |
| Weight |
ca.
1,5 kg |
| Operating
environment |
+
5°C .. 35°C |
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 |
Wide
dynamic range, especially for energy measuring |
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2 channels
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Input
of correction factors e.g. for mirrors or
beam splitters |
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Power
plug or rechargeable battery with integrated
charging unit |
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Adjustable
trigger level |
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External
trigger input |
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HiRes
Graphic display with background illumination |
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Touch
panel |
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USB 2.0 interface |
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Ethernet |
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TCP/IP-Network-Connector |
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MMC/SD-Slot |
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Softwareupdate
possible |
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compatible
to all heads of PEM, HP, LP and BB series |
A
touch panel and function keys make this device
comfortable and easy to handle.
The
preamplifiers integrated into the device and
the choice of sensor sensitivity, allow to use
a wide range of sensor heads .
The large graphic display offers space for a
variety of display and analysis choices. The
digital display can be used for determining
the energy, frequency and average power. The
analogue part with its bar graph display is
useful e.g. for laser adjustments. Laser stability
can be monitored using the data logger and statistics
window.
The
LEM2420 is equipped with a USB-interface and
with a TCP/IP network connector. These ports
allows remote control and transferring of all
measuring data to a PC. Additionally, a MMC/SD-Card
slot to save the data is integrated.
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