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參數(shù)資料
| 型號： | PL320QMD-E |
| 英文描述： | des |
| 中文描述： | 沙漠 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 159K |
| 代理商： | PL320QMD-E |
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Thurlby Thandar PL series
the Premier range of laboratory power supplies
Precision with convenience
The Thurlby Thandar PL series of labo-
ratory bench power supplies has estab-
lished itself in many countries as the
“premier” range.
High resolution controls enable precise
setting of voltage and current levels
whilst high accuracy digital meters pro-
vide clear, unambiguous readings.
All of the many features of these PSUs
have been carefully designed to give the
user not just greater precision, but
greater clarity, more control and unri-
valled ease of use.
The range has now been improved and
extended to offer even better perform-
ance and choice.
Digital accuracy and
convenience
PL series units incorporate digital meters
with a 3.75 digit scale length (4095
counts) to provide greater accuracy and
resolution than other PSUs.
Large and bright LEDs give a clear and
unambiguous reading. An update rate of
4 per second provides near instantane-
ous response.
Separate meters are used for voltage
and current, eliminating the need for me-
ter function switches with their attendant
problems of misinterpretation.
A damping switch for the current meter
simplifies measurements on rapidly vary-
ing loads.
Remote sense for
precision at high currents
PL series units incorporate integrated
band-gap reference diodes as the basis
for stabilisation of both voltage and cur-
rent.
Remote sense terminals enable the pre-
cision to be maintained at high currents
by eliminating the effects of connection
lead resistance.
Without remote sense lead resistance of
just a few tens of milliohms can seriously
degrade regulation and produce mis-
leading results. (Two cables of 0.05
each will drop a total of 0.3V at 3 Amps.)
Greater resolution and
control
The PL series sets the standard for sim-
ple and comprehensive control. Voltages
are set with coarse and fine controls for
speedwithprecision.Currentsaresetwith
asemi-logarithmiccontrolforincreased
resolutionatlowcurrentlevels.
The DC output switch enables voltage
and current levels to be set before the
load is connected.
With the output switch “off” the the cur-
rent limit set point is displayed. With the
output switch “on” the actual output cur-
rent flowing is displayed.
This invaluable feature allows delicate
circuits to be protected by accurately set-
ting the current limit level (down to a few
milliamps if necessary) before connecting
the circuit under test.
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Simultaneous digital metering of voltage and current.
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True constant voltage or constant current operation.
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Twin 3.75 digit meters with large LED displays.
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0.1% accuracy; 0.01 Volts and 0.001 Amps resolution.
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Excellent stability, resolution and setting accuracy.
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DC output switches, automatic mode indication.
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Precise control and monitoring of current limit settings.
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Remote sense facility for high-current precision.
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Current meter damping switch for fluctuating currents.
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Parallel and tracking modes on QMD & QMT models.
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High current “l(fā)ogic supply” output on QMT models.
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