一?PA93B 型数字三相医用泄漏电流测试仪概述
PA93B Digital medical three-phase leakage current tester is mainly used for measuring the leakage current of the three-phase electrical medical equipment, the instrument can meet various types ( Class I and class II ) And category (B Type, BF Type, CF type ) Detection of leakage current, leakage current, external shell shell of shell leakage current, leakage current in projects such as the three medical electrical equipment, the equipment is in line with the medical electrical equipment General requirements for safety GB9706.1 ( IEC601 ) related to the requirements of test standard, safety testing instruments are essential medical equipment manufacturers and testing department.
Two PA93B digital medical three-phase leakage current tester specification and technical characteristics
One The conditions of use One Temperature) Zero ~ Forty DEG C
Two The relative humidity is not more than) 80%
Three No strong electromagnetic interference) around the source, without a lot of dust and corrosive gas, good ventilation.
Two The working power supply 220V . 22V/50Hz
Three The instrument of power " 50W (not including the power supply device)
Four Measuring device (MD) True RMS measurement
One The leakage current measurement range):
* One hundred : Zero point one ~ Ninety-nine point nine Mu A Resolution Zero point one Mu A
* Ten : One hundred ~ Nine hundred and ninety-nine point nine Mu A Resolution Zero point one Mu A
* One : One thousand ~ Nine thousand nine hundred and ninety-nine Mu A Resolution One Mu A
Two The precision of measurement):
DC ~ 10kHz When:
* One hundred :. (2% Reading + 0.3 Mu A)
* Ten :. (2% Reading + 0.3 Mu A)
* One :. (2% Reading + 3 Mu A)
> 10K ~ 1MHz When:
* 100: . (5% Reading + 0.5 Mu A)
* 10: . (5% Reading + 0.5 Mu A)
* 1: . (5% Reading + 5 Mu A)
Three The frequency response range): DC ~ 1MHz
Four Input impedance: =) 1M W
Five Circuit impedance measurement: resistance) R1=10k Accuracy: + W 5%
R2= 1K Accuracy: + W 1%
Capacitance C1=0.015 Mu F Accuracy: + 5%
Five Power supply device
2) Accuracy: + (2% Reading +2V)
3) Input capacity: passive ( Does not contain isolated power supply ) The combination switch can withstand. 30A The following current
Six Phaseopen timing device
1) Open phase time: 0.01s-99min-99h Arbitrarily set
2) Accuracy: + 1%
The three main functions of PA93B type three-phase digital medical leakage current tester
One With the timing control of phase interruption protection, if the time to time, automatically cut off the measured product in each phase of the power supply, in case of goods
Long time phase work.
Two The combination switch is broken. Interlock, only allowed to disconnect the measured one phase power supply.
Three . MD The measuring end with short-circuit protection switch, over-current protection signal measuring device of impact.
Four The combination of instruments. The switch can bear 30A Following the current.
Five . the detection of three-phase electrical medical equipment for leakage current, leakage current, external shell shell of shell leakage current, patient leakage
The current project.
Four instrument configuration
One Test instrument panel
One Power switch: this switch" One "On the instrument power supply device" Zero Disconnect the power supply equipment ".
Two " TEST "Indicator: press the" start "button, the indicator light, press the" reset "button, the indicator lights.
Three The "start" button: when performing the test button," K "The switch is closed, allowing" LOAD "Output voltage.
Four " CAL "Indicator: when the indicator lights, apparatus for current measurement ( MD Calibration).
Five The "reset" button: stop the test or instrument reset button," K "Switch off, not allowed" LOAD "Terminal voltage
Output.
Six " A "Light: A The phase switch indicator, the indicator light when the switch, when the switch is off.
Seven " A "Switch: A Phase on-off control switch.
Eight " B "Light: B The phase switch indicator, the indicator light when the switch, when the switch is off.
Nine " B "Switch: B Phase on-off control switch.
Ten " C "Light: C The phase switch indicator, the indicator light when the switch, when the switch is off.
Eleven " C "Switch: C Phase on-off control switch.
Twelve " H "(terminal: measuring device MD ) high voltage input test bar, usually connected to the tested product shell or application
Part of the other part.
Thirteen " PE "Terminal: input power supply grounding terminal.
Fourteen " PE "Terminal: the measured power supply protection grounding end products.
Fifteen " L "Terminal: (test device MD ) low voltage input end of the testing rod, usually connected to the tested product shell or application
Part of the other part.
16 (MD) Loop switch: press measuring device (MD) Two inputs" H "And" L "Short.
Bounce when measuring device (MD) Two inputs" H "And" L "Open.
Seventeen Open phase protection: timer used to control the power supply products measured phase time, regular time to automatically cut off the power supply of each phase
The power to prevent the measured product long time phase work.
Eighteen " DC "Lights: the light indicator for DC leakage current test.
Nineteen " AC "Light: the light indicator for AC Leakage Current test.
Twenty Leakage current test range switch: according to the different measuring range selection range.
Twenty-one Leakage current indicator: value for leakage current test indicator.
Twenty-two Voltage indicator: input voltage for monitoring input voltage or the measured power supply products.
Two Test instrument panel
One Power socket: instrument power input.
Two " Source "Terminal: input power supply terminal.
Three " Load "Terminal: the measured power input terminal products.
Four Nameplate
Five The voltage meter terminal for inputting voltage monitor input voltage or the measured power supply products.
Six " AC/DC Switch: used to measure DC or AC leakage current, the corresponding indicator light.
Seven " TEST/CAL "Switch to select a test or calibration of leakage current measuring device. When the" TEST When measuring resistance ; Anti access circuit current meter two input; when the" CAL "When not connected to circuit impedance measurement ; Two input into the current table.
Five electrical principle
Six test methods:
One The shell of the floor drain current.
Two The shell shell external leakage current.
Three The principle of leakage current test method.
Four With leakage current test method principle.
Six PA93B digital three-phase leakage current tester for medical operation method
One Open the instrument. The power switch, the power indicator light.
Two The current range selection switch. "* One "The files, and" MD Short circuit switch closed (two input to the measuring device" H "And" L "Short).
Three According to the need. Reasonable choice of timing phase interruption protection timer.
Four According to the need to select the AC or DC leakage current test, the corresponding indicator light.
Five On the back plate " TEST/CAL The switch is in the "" TEST "The files.
Six According to the need. The two terminal voltage meter power supply input terminal" SOURCE "Or the measured power input end products" LOAD "
The phases or phase zero, to monitor the voltage value.
Seven The measured power products. The corresponding access instrument on the rear panel" LOAD "End.
Eight The input power supply. The corresponding access instrument on the rear panel" SOURCE "End.
Nine According to the test principle diagram corresponding to the correct access device (test MD ), according to the state of different combination of opening and closing S
A ,
Ten . carefully check the above steps correctly, open the switch input power supply and confirmation" SOURCE "The end of rated voltage.
Eleven Press the "start" button," TEST "The light (" K "The switch is closed, the measured power supply products), to be stable,
Let go" MD Short circuit switch "and read the corresponding table indicating the current value of the measuring device.
Twelve If you need to cancel the test. Or abnormal situation, can press the "reset" button, interrupt the test process," TEST "Lights out
(" K "Breaking open) and cut off the measured power inputs on.
One At 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 display value is not the correct value).
Two If the test value is greater than the current. Ten thousand Mu A The above must stop testing, or" MD Short circuit switch is closed, no "
It will easily damage the measuring device.
Three When the phase switch. S
A , S
B , S
C All closed when continuous phase, the timer does not move, only when one phase
When the switch is off, the timer only moves.
Four . S
A , S
B , S
C Switch interlock allows only one phase switch.
Seven calibration
One It should be " TEST/CAL The switch is in the "" CAL "The files," CAL "The light, the measured impedance circuit, without access to the two input current meter.
Two Let go " MD "The loop switch" H "And" L "Open end.
Three . access standard signal source and standard voltage meter.
Eight PA93B digital medical three-phase leakage current tester sets
One The instructions for use. One share
Two Certificate. One share
Three Can not reconnect the power line. One root
Four Multi function test line. One set
Five Test the short connection. Two root
Six The fork type connecting line. Two root
Nine other
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. 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 in normal use under the condition of leakage or mutations in
The use of this 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 identity name and content table.
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.