Pintek DP-50K Manuel utilisateur
50 KVp-p / 75MHz
INSTRUCTION MANUAL
使 用 說 明 書
HIGH VOLTAGE DIFFERENTIAL PROBE
差 動 測 試 棒
DP-50K
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TABLEOFCONTENTS
FEATURES--------------------------------------------------------------- 5
SPECIFICATIONS-------------------------------------------------------- 5
PANEL DESCRIPTION------------------------------------------------------6
OPERATING ENVIRONMENTAL CONDITIONS----------------7
OPERATING PROCEDURE------------------------------------------7
EXT. POWER SOURCE MAINTENANCE---------------------------------9
CLEANING------------------------------------------------------------------------9
WARRANTY--------------------------------------------------------------------9
REPAIR-------------------------------------------------------------------------9
DERATING CURVE-----------------------------------------------------10
目 次
簡述-----------------------------------------------------------------14
規格--------------------------------------------------------------14
測試棒面板說明-------------------------------------------------------15
操作環境及狀況-------------------------------------------------------------16
操作程序----------------------------------------------------------------------16
外接電源------------------------------------------------------------------------18
清潔----------------------------------------------------------------------------18
保固-------------------------------------------------------------------------------18
維修-------------------------------------------------------------------------------18
高頻耐電壓曲線參考圖----------------------------------------19
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DP-50K
HIGH VOLTAGE DIFFERENTIAL PROBE
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Differential Voltage Probe,
Read the instructions before using the instrument:
1. Must acquire a differential voltage probe & get the best service from
instrument.
2. Read carefully the USER MANUAL.
3. Respect the safety precautions.
SAFETY PRECAUTIONS
Warning, Risk of Electric Shock,
Respect the max input voltages.
1. Max differential voltage: ±50 KV (DC+AC peak) or 14 KV RMS
2. Max voltage between each input terminal and ground:
12.5 KV (DC+AC peak) or 8.8 KV RMS
Do not use the probe in damp environment or where there is
risk of explosion.
Do not use the probe with its case open.
Disconnect the inputs and outputs of the probe before
opening the case.
When measuring
±
10 KV (DC+AC peak) or over 5 KV RMS
high voltage, it is mandatory to check ground cable is
connected properly and doing measurements.
It is to protect oscilloscope without any damages.
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TO ORDER Differential Voltage Probe and Accessories:
An Insulated BNC/BNC lead and two Ф4 mm, length 100 cm (BP-250)
Supplied an Adapter preset 9 V DC [115V(SP-115H) or 230V(SP-230H)]
2 x High voltage IC clips (BP-266N)
2 x Banana to Banana high voltage plug 30 KV DC/ 60 CM (BP-367).
2 x Alligator plug, 1 KV CAT III (BP-276N)
2 x High voltage extension cable, length is 1 meter / 30 KV DC (ETL-
3100)
1 x Ground extension cable, length is 1 meter / 6 KV DC (ETG-6100)
Instruction Manual.
FEATURES:
DP-50K is a differential voltage probe to provide an insulation instrument
for all oscilloscopes using.
It converts the high differential voltage (≦50 KV peak) into a low
voltage ( ≦4.0 V) with reference to the earth for display on the
oscilloscopes. Its frequency is up to 75 MHz, it is designed especially
for high voltage using.
The BNC output is designed to operate on an input with an impedance
of 1 MΩ. It is 2 times of the 50 Ω.
DP-50K can observe more exact measured testing voltage from DMM.
(Oscilloscope accuracy is 3%, and DMM is 10 times.
When measuring
±
10 KV DC or over 5 KV RMS high voltage,
it is mandatory to check ground cable is connected properly
and doing measurements.
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SPECIFICATIONS:
(1) Bandwidth:
DC - to 75 MHz (-3 dB) for X500
DC - to 20 MHz (for attenuation X5000)
(2) Attenuation: x 500, or X5000
(3) Accuracy: ±2%
(4) Voltage Input Ranges (DC+AC peak to peak):
≦±25 KV DC for X5000, (i.e about 17 KV RMS or 25 KV DC)
≦±2.5 KV DC for X500, (i.e about 1.7 KV RMS or 2.5 KV DC)
(5) Permitted Max Input Voltage
Max differential voltage: 50 KVp-p (DC+AC peak to peak)
Max voltage between each input terminal and ground: 8.8 KV RMS
(6) Input Impedance:
Differential: 140 MΩ// 3 pF
Between terminals and ground: 280 MΩ// 1.5 pF
(7) Output: ≦±5V
(8) Output Impedance: 50 Ω
(9) Rise Time: 4.7 ns for X500; 17.5 ns for X5000
(10) Rejection Rate on Common Mode:
60 Hz: ＞80 dB , 100 Hz: ＞60 dB , 1 MHz: ＞50 dB
(11) Power Supply: External 9 V DC power supply.
(12) Consumption: 120 mA max (1.1 WATT)
CAUTION!
(1) Please DO NOT hold the probe itself when measuring the high voltage is
over 1 KV. Please put the probe itself on the working table.
(2) Please DO NOT measuring home electricity (including two-phase
electricity and three-phase electricity). DO NOT measure over 10 KV
RMS.
(3) Please let the probe has 30 minutes rest after having a 5 minutes normal
measurement for over DC 10 KV or AC 7 KV RMS.
It is able to give time for internal high voltage resistors to cool down.
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PANEL DESCRIPTION:
OPERATING ENVIRONMENTAL CONDITIONS:
Reference Use Storage
Temperature +20°C …+30°C 0°C …+50°C -30°C …+70°C
Relative
Humidity ≦70 % RH 10 % … 85 %
RH
10 % …90 %
RH
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(1) Dimensions and Weight:
275 x 147 x 34 mm; 488 g
(2) Electrical Safety to IEC 1010-1:
Dual Insulation
Installation Category III
Degree of Pollution 2
Rated Voltage or Max Live-Earth: 10 KV RMS
(3) CE Mark:
Conforms to EN 50081-1 and 50082-1 standards
OPERATING PROCEDURE:
Connect to leads to the input and place the wire-grip on the circuit to
be tested.
Connect the probe to the oscilloscope with the insulated BNC/BNC
lead.
Adjust the vertical zero adjustment of the oscilloscope if necessary.
Select the attenuation ratio* and the vertical deviation of the
oscilloscope in accordance with the conversion table below.
When measuring
±
10 KV DC or over 5 KV RMS high voltage,
it is mandatory to check ground cable is connected
properly and doing measurements.
The conversion table gives the real vertical deviation.
Attenuation X5000 X500
MAX Voltage Input Range
(DC+AC Peak) 50 KV p-p 5 KV p-p
DC MAX INPUT ±25 KV ±2.5 KV
AC RMS MAX INPUT 17 KV RMS 1.7 KV RMS
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