1 PA30C digital leakage current tester Summary
PA30C Digital touch current tester is a measuring instrument of the true effective value, mainly used for various types of single-phase electric appliance leakage current ( Contact current ) Test. The instrument can be equipped with a variety of body impedance with analog circuit. IEC60990 The international standard and GB/T12113 The national standard test method of touch current and protective conductor current testing requirements. Can also be other quasi leakage current selection.
2 PA30C digital leakage current tester Specification and technical characteristics
Two point one Measuring device ( Hereinafter referred to as the instrument )
2.1.1 Contact current measuring range, basic error and resolution table One .
Contact current
* 1000.1 ~ ..99.9
. (2%r+1 Mu A) . (2%r+3 Mu A) 0.1
* 10100. ~ .999.9
* 11000. ~ .9999 . (5%r+0.5 Mu A) . (5%r+5 Mu A) 1
notes One : R- Reading。
notes Two The basic error range for currents greater than Ten Mu A Above。
notes Three Table: test conditions for temperature error Twenty-three C. Two Temperature, relative humidity 45% ~ 75% .
2.1.2 Frequency Response DC ~ 1MHz .
2.1.3 Input impedance is equal to or greater than 1 M Omega.
2.1.4 The human body impedance matching circuit simulation of five kinds of instruments, with a built-in temporary ( chart Seven in D) .
Two point two Power supply device
2.2.1 This tester is passive ( Does not contain isolated power supply ) .
2.2.2 The instrument can display the power supply voltage range of power supply device 80V ~ 500V Precision,. (2%r+2V) . Resolution 1V .
2.2.3 The instrument combination switch can withstand 30A The following current.
Two point three The characteristics of products
A DC DC and DC+AC True RMS measurement sine and non sine wave.
B It can be equipped with a variety of body impedance analog circuit, to meet a variety of international and national standard test requirements.
C Widely used in household appliances and information products, laboratory equipment and other electrical and electronic products, leakage current ( Contact
Electric current ) Test requirements.
Such as:
International standard: UL544 , UL60065 , UL60950 , IEC1010 , IEC60065 , IEC60598 , IEC60950 ,
UL60990 Etc..
Two
National standard： (GB4943 Safety requirements for information technology equipment ) ;
(GB4793.1 Measurement, control and laboratory use - Safety requirements for electrical equipment ) .
(GB7000.1 General safety requirements and test fixtures ) ;
(GB8898 Audio, video and similar electronic equipment safety requirements ) ;
Two point four The conditions of use
temperature Zero C ~ Forty C
The relative humidity is not more than 80%
No strong electromagnetic interference source, without a lot of dust and corrosive gas, good ventilation.
Two point five The working power supply 220V . 22V/50Hz .
Two point six The instrument power is less than or equal to (50W Does not include the power supply device ) .
Two point seven Size L * B * H , Mm: 380 * Three hundred and twenty * One hundred and forty-five .
Two point eight weight 7.5kg .
3 PA30C digital leakage current tester The structure and working principle
Three point one structure
3.1.1 The instrument board function key layout
One Power socket: instrument power input.
Two Power input: input power supply the power supply device.
Three Measuring end: the measured power input end products, including" PE "The end is connected with the measured product protection grounding terminal.
Four Nameplate。
Five AC or DC current measurement switch: corresponding indicator lights.
chart One The rear
Three
3.1.2 The instrument panel function key layout
One Power switch: home" One When connected to instrument power supply; the" Zero When disconnecting the power supply apparatus.
Two " INPUT "Light:" INPUT "Switch" One "When the lights set" Zero "When the lamp.
Three " INPUT "The switch" One When the power supply circuit allows the power supply input instrument set " Zero "That does not allow for
The power supply circuit of the electric power input instrument.
Four " N "Light:" N "Switch" One "When the lights set" Zero "When the lamp.
Five " N "The switch" One When turning the switch device " Zero When the switch is disconnected.
Six " P "Light:" P "Switch" One "When the lights set" Zero "When the lamp.
Seven " P "The switch" One When turning the switch device " Zero When the switch is disconnected.
Eight " E "Light:" E "Switch" One "When the lights set" Zero "When the lamp.
Nine " E "The switch" One When turning the switch device " Zero When the switch is disconnected.
Ten " Hi "Light:" Hi "Switch" One "When the lights set" Zero "When the lamp.
Eleven " Hi "The switch" One When allowed to signal from Hi The terminal input device " Zero "When, do not allow the signal from Hi meet
Line input.
Twelve " Lo "Light:" Lo "Switch" One "When the lights set" Zero "When the lamp.
Thirteen " Lo "The switch" One When allowed to signal from Lo The terminal input device " Zero " , Do not allow the signal from" Lo "
Line input.
Fourteen " Hi "Terminal: high voltage input instrument test rod.
Fifteen " Lo "Terminal: low voltage input instrument test rod.
Sixteen The human body impedance (analog circuit MD ) selection and calibration of instruments selection switch.
Seventeen The range of current selection: according to the different measuring range selection range.
Eighteen " DC "Light: DC current measurement, the light.
Nineteen " AC "Light: AC current measurement, the light.
Twenty The current display: the contact current numerical indicator.
Twenty-one Voltage display: voltage monitor input power value.
chart Two panel
Four
Three point two Working principle
3.2.1 Test method principle
chart Three Schematic diagram
3.2.2 The contact type of current
A The contact current: contact current through the power line parts or ground back to earth.
Figure 4 Schematic diagram of contact current principle
B surface ( The shell of ) Contact current: due to exposure of the body surface contact ( If the test rod, screw etc. ) When contact
The current through the body to the earth.
chart Five The shell of the contact current principle diagram
C The surface ( The shell of shell ) Contact current: two contact surface contact the operator at the same time, between any application object
Five
Contact current flow or application objects.
chart Six The shell of shell contact current principle diagram
Three point three For the measurement of the contact current network
chart Seven The human body impedance network
4 PA30C digital leakage current tester Safety precautions
Four point one Before using please read the instructions and follow the instructions step in operation.
Four point two Do not use non original accessories, in order to avoid danger.
Four point three The instrument must be well grounded and power supply device.
Four point four Working table with a non conducting material as far as possible, do not use any metal between the operator and the tested product.
Four point five Avoid using in the following circumstances
A Avoid placing the direct sunlight and rain or wet.
B Please stay away from fire and heat, to prevent the high temperature of the machine.
C Handling or maintenance, should be shut down and will power down.
Six
5 PA30C digital leakage current tester Use and operation
Five point one Open the instrument power switch, the power indicator light.
Five point two The current range selection switch is in the "* One "The files.
Five point three This instrument is only one network, on the front panel A , B , C , D , E The switch doesn't work, measurement" CAL "Open
Close the pop-up, calibration" CAL Press down switch.
Five point four According to the AC or DC contact current test, the corresponding indicator light.
Five point five The measured goods and power supply device power supply terminal equipment were measured on the rear panel "and" the power supply input end".
Five point six Carefully check the above steps correctly, switch power supply device of power supply and power supply input confirmation "
At the end of "rated voltage.
Five point seven Will" INPUT "Switch" One "," INPUT "Light, according to the testing standard right combination switch" N "," P ",
" E "," Hi "," Lo "And the corresponding contact type of current correctly connected with the instrument. To be stable, the current meter reading apparatus
The indicating value.
Five point eight If you need to cancel the test or abnormal situation, can be" INPUT "Switch" Zero "," INPUT "The light is off ( cut off
The measured power inputs on ) .
Note:
One The start of the test, the current range in the "select * One "The files, based on the measured current value, then by
. To select the appropriate range ( Overrange displayed value is not the correct value ) .
Two If the test value is greater than the current Ten thousand Mu A The above test must be stopped, otherwise it will easily damage the instrument.
Three The power supply device of power supply with isolated power supply.
Six calibration
Six point one Leakage current test
Note: should not access impedance measurement circuit (MD) time
chart Eight Check the leakage current of the wiring diagram
Seven
According to the chart Eight The instrument wiring, power switch on" One "The position, and the" body impedance simulation "selection switch" CAL "
files [ The access impedance measurement circuit ( MD )] ," Hi "And" Lo "Switch" One ", the corresponding indicator light. Regulation of AC / DC
The broadband signal source, the AC / DC broadband standard voltmeter shows that the voltage required value (V) Through the formula, (1) The calculation of the standard current value
(I) At the same time, remember the value display instrument on leakage current (I " ) According to the formula. (2) Calculation of leakage current should be consistent with the basic error table One in
The corresponding requirements.
6.3.2 Test the power supply device power supply voltage
Figure 9 check power supply device power supply voltage wiring diagram
According to the chart Nine The instrument wiring, power switch on" One "The position, the" INPUT "Open a page" One "The corresponding indicator light
Bright. Adjust the standard signal source, the standard AC voltmeter shows that the voltage required (V) At the same time, write down the instrument voltage meter display value (V " ) ,
according to formula (3) The calculation shall be in accordance with the voltage error 2.2.2 A precision voltage.
Seven Random accessories
Can not reconnect the power line one root
A set of multifunctional test line
The use of a statement
One copy of certificate
A piece of copper foil
Eight Other
Eight point one The instrument should keep the temperature in the room Zero C ~ Forty C, relative humidity of not more than 80% In the air, and not
() 1 A (1000)
Enough to contain harmful substances caused by corrosion.
Eight point two Since the date of purchase instrument users Twelve Within a month, when users use fully comply with the rules in the specification,
And the user is not without changes inside the instrument structure, it is found that the instrument is not working properly, then the manufacturer should be responsible for free
Fees for replacement or repair.
Eight point three Factory has the right to make changes without notice to the product.
L EFUP
Poisonous and harmful substances or elements contained in the instrument is not used in the normal conditions, leakage or mutation, users use the instrument
Will not cause serious pollution to the environment or causing serious damage to the person and property of the period Ten Year. The poisonous and harmful substances or elements of the name and
Content identification table.
Schedule of poisonous and harmful substances or elements of the name and content identification
Part name
The poisonous and harmful substances or elements
lead (Pb) mercury (Hg) cadmium (Cd) Six chromium
(Cr (VI))
Polybromobiphenyls
(PBB)
Two polybrominated diphenyl ether
(PBDE)
A body of XXX, XXX
Shell plating XXX X Eighty
LCD screen X Eighty X Eighty
Circuit board X XXX, eighty
Contactor X XXX, eighty
Transformer
( Pressure regulator )
X XXX, eighty
switch X XXX, eighty
Ten: the concentration of the hazardous substance in all homogeneous materials in the parts are in SJ/T11363-2006 The standard limits for the following.
X Said: this hazardous substance contained in at least one of the homogeneous materials. SJ/T11363-2006 Limit standard requirements.
Note: This product 80% Manufacture of components using non-toxic environmentally friendly materials, containing toxic and hazardous substances or elements of parts because of global technology Limited
Alternative can not achieve the toxic and hazardous substances or elements.