1 new PA93 type medical leakage current tester Summary
PA93 Digital medical leakage current tester is suitable for measuring various types of class I and class II [, IP (internal power supply) and B Type, BF Type, CF Medical electrical equipment type of leakage current, shell] of leakage current, leakage current external shell shell, with leakage current ( DC or AC ) Patients with leakage current (partial pressure or pressure signal application part) and patient auxiliary current (DC or AC) testing and other projects, the equipment is in line with the GB9706.1-2007 "Medical electrical equipment - Part 1: General requirements for safety" relevant provisions of national standard testing requirements and safety testing instruments is essential medical equipment manufacturers and testing department. Performing instrument Q/YXYZ..7..PA93 Digital leakage current tester standard medical enterprise.
2 new PA93 type medical leakage current tester Specification and technical characteristics
Two point one Measuring device (hereinafter referred to as instrument)
2.1.1 The leakage current measurement range, basic error and resolution.
2.1.2 Frequency Response DC~1MHz .
2.1.3 Input impedance . Greater than or equal to 1M Omega.
2.1.4 (circuit impedance measurement MD Resistance) R=10k Omega . Precision. Five % .R=11k Omega accuracy One %
Capacitance .C=0.015 Mu F. Precision. Five %
2.1.5 Leakage current limit.
The setting range. A1 ~ Nine thousand nine hundred and ninety-nine (. Two % R+3d (+) Five % R+5d ) One
Error resolution. 10kHz~1MHz">ADC~10kHz>10kHz~1MHz
Two point two The power supply device technical parameters.
- The measurement of power supply AC80~250 (. Two % R+2d ) 10.5/21/42/83/125/20
- The external power supply 0.1/0.4
Two point three A timing device [each switch combination after delay (test) does not include the time switch combination switch time].
Three ~ Nine hundred and ninety-nine (. One % R+1s ) One
Two point four The characteristics of products
A Intelligent measurement and control, measuring the true value, and the automatic conversion process.
B Synchronous display of measurement of power supply and the output voltage and power supply.
C Two types of automatic and manual mode of operation.
D A leakage current overrun alarm function.
E A power supply circuit overcurrent and overvoltage. MD Measuring device for overcurrent protection function.
F Leakage current test items according to the measured equipment requirements, free to change.
G The color liquid crystal display (touch LCD ), clear display.
H A RS232 or RS485 The communication interface (user order required).
Two point five The conditions of use
temperature Zero C ~ Forty C
The relative humidity is not more than Eighty %
No strong electromagnetic interference source, without a lot of dust and corrosive gas, good ventilation.
Two point six The working power supply
Measuring device 220V . 22V/50Hz .
. Power supply device 220V . 5V/50Hz .
Two point seven Power consumption
Less than or equal to 50W (not including the power supply device)
Two point eight The size and weight of the instrument.
The power supply device (measuring device name KVA ) Zero point five one two three five
Size L * B * H , Mm : Four hundred and thirty-five * Four hundred and ninety * One hundred and forty-five thousand four hundred and forty * Five hundred and thirty-five * Two hundred and thirty-five thousand four hundred and seventy * Five hundred and twenty * Two hundred and eighty
weight Kg12.
3 new PA93 type medical leakage current tester The structure and working principle
Three point one The measuring principle of frame
Three point two The instrument and power supply device function key layout
3.2.1 instrument
3.2.1.1 panel
One Liquid crystal display。
Two " NEXT "Light - a test before the end of the project, waiting to enter the test project next time when the indicator light. Press . " START "Button, the indicator lights, and enter the next test project.
Three " PASS "Normal state indicator -- a test project ( NC ) or a single fault condition test by setting conditions, the indicator light.
Four " FAIL "Normal state indicator -- a test project ( NC ) or a single fault condition test cannot by setting conditions, the indicator light.
Five " RESET "Reset or terminate the test button.
Six " START "Test execution (start) button.
Seven " H "Terminal - impedance measurement circuit ( MD ) high voltage input test bar, usually connected to the tested product shell or application part etc..
Eight " L "Terminal - impedance measurement circuit ( MD Low voltage input) test bar, usually connected to the tested product shell or application part etc..
Nine " S12/13 "Terminal - switch S12 or S13 When closed, connected F To the application or not part of protective earthing conductor can touch (non application part) is connected with the switch and power supply circuit grounding.
Ten " AP/SP "Terminal -- the application of partial pressure or partial pressure when the signal input and output connected to the signal input part or application . And output part.
Eleven " FE (S10) "The terminal: S10 When the switch is closed connected with the detected grounding end product function ( FE ).
Twelve "Terminal - Measurement of power supply and power supply and power supply circuit ground terminal ( Don't and the working power supply. . To end the confusion ) .
Thirteen " POWER "Power switch.
3.2.1.2 The rear
One Measuring end - Measurement (power supply V1 Output end) , Including" P1-1 "And" P1-2 "And" (PE The protective earth terminal ) "The three end.
Two The measurement of power supply ( V1 Including input)" T1/1 "And" T1/2 "Both ends.
Three The external power supply ( V2 Including input)" T2/1 "And" T2/2 "And" K "The three end.
Four " CAL Button - enter check mode button.
Five Nameplate。
Six Power socket.
Seven Fuseholders - plus power supply ( V2 ).
Eight Fuse holder - Measurement of power supply ( V1 ).
3.2.2 Power supply device
3.2.2.1 panel
One The "power switch".
Two "Power" indicator.
Three The measurement of power supply voltage adjustment knob.
Four The external power supply voltage adjustment knob.
3.2.2.2 The rear
One Measurement of the power supply output terminal.
Two The external power supply output terminal.
Three Power socket.
Four Fuse holder.
Five Nameplate。
The new 4 PA93 medical 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 Measuring device and power supply device must be well grounded.
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 During the test, the block indicates a "test", such as"". Absolutely, not allowed to touch the measured items or any items connected with the measured object. Are not allowed to press the instrument panel and measuring independent buttons and keys.
Four point six In the process of continuous testing," NEXT "The light, turn off the power switch and power supply device, can be re connection between instrument and measurement object, connection, and check the correct, then open the power switch power supply device, the next project test preparation.
Four point seven That instrument is abnormal, press" RESET The shutdown button or suspend the test, to be restored after the re start the test.
Four point eight Each set according to the project content ( The order of test items ) Test before, must first press" RESET "Button, the instrument reset.
Four point nine In order to ensure the stability of the test voltage, AC voltage regulator power supply device and users are advised to use the output capacity matching.
Four point one zero 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 remove the power line.
5 new PA93 type medical leakage current tester Use and operation
Five point one Wait for the test interface
Connect the instrument power supply, open the power switch, the liquid crystal display is shown in Figure Six Then, wait for the test instrument into the interface.
Five point two Parameter setting
5.2.1 When the instrument is in wait for the test interface. The box in the test time, the touch screen "," appear "interface". Through the touch screen "" or "" to modify the test time (each switch after the combination of time delay (test)).
5.2.2 In the test mode check box, touch screen "" or "" button. Then the single step test and continuous test state transition.
The order of the contents of the project
One Earth leakage current ____ELC The normal state
Two Earth leakage current ____ELC Single fault condition
Three The shell of the floor drain current ____ENCL1 The normal state
Four The shell of the floor drain current ____ENCL1 Single fault condition
Five The external shell shell leakage current ____ENCL2 The normal state
Six The external shell shell leakage current ____ENCL2 Single fault condition
Seven Patient leakage current ( Communication ____PLC (AC)) The normal state
Eight Patient leakage current ( Communication ____PLC (AC)) Single fault condition
Nine Patient leakage current ( Direct ____PLC (DC)) The normal state
Ten Patient leakage current ( Direct ____PLC (DC)) Single fault condition
Eleven Patient auxiliary current ( Communication ____PAC (AC)) The normal state
Twelve Patient auxiliary current ( Communication ____PAC (AC)) A single normal state
Thirteen Patient auxiliary current ( Direct ____PAC (DC)) The normal state
Fourteen Patient auxiliary current ( Direct ____PAC (DC)) Single fault condition
Fifteen Patient leakage current ( The application of partial pressure ____PLCAP) Single fault condition
Sixteen Patient leakage current ( The output signal input part or partial pressure ____PLCSP) Single fault condition
5.2.3 In the alarm check box, touch screen "" or "" button. Then the alarm stop and continue state transition.
Five point three Project setting
When the instrument is in wait for the test interface, touch screen "button, the instrument enters the project settings interface.
ELC The leakage current
ENCL1 - shell of the floor drain current
ENCL2 Shell - shell external leakage current
PLC (AC) With leakage current ( Communication )
PLC (DC) With leakage current ( Direct )
PAC (AC) Patient auxiliary current ( Communication )
PAC (DC) Patient auxiliary current ( Direct )
PLCSP With leakage current ( The output signal input part or partial pressure )
PLCAP With leakage current ( The application of partial pressure )
Normal - all safety guards are in good condition
A single fault - only one equipment safety protection device failure, or only an external abnormal state
5.3.1 The touch screen "" or "" button , Then need to test and do not need to test the transition. "" need to test items
Eye, "" - no need to test the project.
5.3.2 The touch screen ", appeared""" , At this time through the touch screen "" or "" to modify the corresponding upper limit value of the leakage current. At the same time, the status bar will display the corresponding screen under the current project English abbreviation Chinese.
5.3.3 Check box in the test project, touch screen, there is"" , At this time through the touch screen "" or "" to test the type of project -- "type switch" , Type II ""," IP Type".
5.3.4 The device type box, touch screen, there is"" , At this time through the touch screen "" or "" to test equipment - type switch" B Type" , " BF Type"," CF Type".
5.3.5 The touch screen "," according to " GB9706.1-2007 "Requirements for safety of medical electrical equipment General requirements, according to the test items and the type of equipment to test the leakage current and the upper limit of the combination.
5.3.6 The touch screen "," this does not save the current set of parameters and return to wait for the test interface.
5.3.7 The touch screen "," the parameters to save the current settings and return to wait for the test interface.
Five point four Operation steps
5.4.1 Complete the function set, the instrument under test for interface.
5.4.2 With connecting cable instrumentation and measurement of power supply (V1) And the external power supply (V2) The correct connection and check.
5.4.3 In accordance with the required test items in the order of the first test items according to the corresponding wiring wiring diagram, and check.
5.4.4 Work connected to the power supply device, the "power" on the "open" position.
5.4.5 Press" START "Button", "bright lights, while rotating the voltage adjusting knob to the desired value. Liquid crystal display (LCD) To display the corresponding switch closed, leakage switch combination of the current test items in current value and set the upper limit value of leakage current measurement, power supply (V1) Or external power supply (V2) The voltage value and the test results and suggest that the next test items and other types of information. Test interface.
5.4.6 Test state test project
In the continuous mode. When you press the" START "Button, the instrument according to the" order project set "in the beginning of the measurement, the status bar and the lower left corner of the name of the current test project and a project under the name of the test. When any state ( The normal state or the single fault condition ) After the completion of the test switch, when all switch combination is in the process of leakage current value is less than the set value " PASS "The light; when the leakage switch combination in the process of all the current value is greater than the set value, then" FAIL "Lights and buzzer alarm. If there is a test project, then" NEXT "Light. Cut off the power supply and power supply device. In a single test mode, the test process and the continuous mode of the same. But any switch in combination in a project after the end will stop testing, and" NEXT "Light. Until the end of the project the current test power to cut off the power supply device.
5.4.7 In the test, the lower left corner of the status bar display prompt test items. To be on the screen "into a" state "or" state ", at the same time" NEXT "The light, turn off the power switch and power supply device, can according to the corresponding figure re wiring, and after the check. Then open the power switch power supply device, press" START "Button, the instrument enters the next test project, and displayed on the screen" state "," NEXT "Lights out. Repeat the above steps. The status bar to the bottom left corner of the tip end of the measurement". Then" PASS "Or" FAIL "Light. And then press the" RESET The whole "button, the end of the testing process. To wait for the test instrument interface.
5.4.8 If the need to suspend the test press during the test" RESET "Button, the instrument back to the start of the test for testing interface.
5.4.9 Each set by "project" ( Test item order ) Test before, must first press" RESET "Button to return to the interface for testing instrument.
5.4.10 Measurement of the connecting frame
(1) The instrument and power supply device
The connecting frame apparatus and power supply device
(2) The instrument and test products
1) Earth leakage current /ELC
The connection of leakage current
2) The shell of the floor drain current /ENCL
3) The external shell shell leakage current /ENCL2
4) Patient leakage current /PLC
5) The internal power supply device with leakage current /PLC
6) Patient auxiliary current /PAC
7) The internal power supply equipment with auxiliary current /PAC
8) Patients with leakage current (pressure application part) /PLCAP
The internal power supply device with leakage current (partial pressure application) /PLCAP
9) Patients with leakage current (signal input or output pressure part) /PLCSP
10) The internal power supply device with leakage current (pressure signals from the input or output part) /PLCSP
6 new PA93 type medical leakage current tester check
Six point one Check the instrument into the liquid crystal display interface
The instrument "power supply" switch on "open" " CAL "Button, the instrument automatically enter the check state, the liquid crystal display interface before release" CAL Button.
Six point two Instrument function keys
One ) LCD touch screen, touch screen "", "", "", "" automatic and manual switch range. When the selected range of the corresponding icon becomes red.
Two "Said DC switching)" DC "Or exchange" AC "Red icon (" ") said dc.
Three On the screen ") is whether the measured impedance circuit ( MD ). Red icon ("") said (plus the measured impedance circuit MD ).
If you need to exit the calibration status, just touch the screen "or turn off the power switch device, after reboot. The instrument automatically enter the waiting test interface.
Six point three Check method
6.3.1 Check the leakage current
Connection, press "" button, the screen display is light blue Icon "" [not access circuit (impedance measurement MD )], regulation of AC / DC broadband signal source, the AC / DC broadband standard voltmeter shows that the voltage required value ( V By the formula (). One The calculated)
Know the standard current value ( I At the same time), record value display instrument on leakage current ( I According to the formula ('), and Two Calculation of leakage current) should comply with the basic error
6.3.2 Check the power supply voltage (measurement V1 And the external power supply (voltage) V2 ).
Wiring, power supply and voltage measurement respectively rotate with the power supply of the adjusting knob, the standard AC voltmeter shows the desired value V1 and V2 At the same time, the corresponding record instrument. V1 'and V2 'value, and according to the formula ( Three (or) Four Calculation of voltage error should meet the requirements).
Seven Random accessories
Use a manual
A certificate
Test clamp six
Plug line
The aviation plug cable two
A test box
Can not reconnect the power line two
The power supply device ( 0.5kVA , 1kVA , 2kVA , 3kVA and 5kVA A)
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 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 does not attempt to change the instrument internal structure, it is found that the instrument is not working properly, then the manufacturer should be responsible for free to replace or repair.
Eight point three Factory has the right to make changes without notice to the product.
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.
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.