lmt990series
Touch current tester
leakage current tester

 
Use for such:
IT
Electrical appliances
Medical equipments and etc.

Design according to IEC990
Methods of measurement of touch-current and
protective conductor current

Match: UL, TUV, CE, IEC
.......CSA, BSI, JIS etc. Standard.

Apply the standard:
IEC990
UL60065
IEC950
IEC335-1
IEC601-1
IEC745-1
IEC598
UL484 IEC335-2-40
........

7Kinds of simulate body impedance network
An open-circuit voltage meter (1M次, 0--1MHz)
An protective conductor current meter(0.5次, 0--1MHz)

Measure:
Touch-current
Open-circuit voltage
Protective conductor current

Earth leakage current
Surface leakage current
Surface to surface leakage current

FFT transform curve display
Current voltage curve display
Beneficial to the touch current to analyze completely

TFT liquid crystal display; Touch screen operate; USB

Clean power; Range: 90V--300V

IEC60065
9.1.1a) Open-circuit voltage not exceed 35Vㄗpeakㄘa.c.or 60V d.c.,
.....b) ---for a.c.ㄩU1=35VㄗpeskㄘㄛU2=0.35Vㄗpeakㄘ
........---for d.c.ㄩU1=1.0V
11.1 Electnic shock hazardㄗFault conditionsㄘ
.....a) Open-circuit voltage not exceed 70Vㄗpesk) a.c.and 120V d.c.
.....b) ---for a.c.ㄩU1=70VㄗpeakㄘㄛU2=1.4Vㄗpeakㄘ
........---for d.c.ㄩU1=4V

..........
At the same time display voltage,current
At the same time read peak,rms,dc.
IEC60950

5.1 Touch current and protective conductor current

5.1.7
5.1.7 Equipment with touch current exceeding 3.5mA test protective conductor current
(3.5mA-1000mA)

IEC990
IEC990
  UL484﹜UL544
IEC60598
NON PATIENT		   UL544
PATIENT CARE		   IEC60601-1
UL2601-1
EN60601-1
UL1563
Measurement U1
Measurement U2
Measurement U3
Open-circuit
Voltage
Protective
Conductor current
Measurment
Mode
DC, RMS, Peak
Input
Resistance
△1M 次
1M次/10M 次
●0.5次
Input
Capacitance
●200pF
Frequency
Range
0Hz-1MHz
Measurment
Range
PEAK: 0-70V 0-140mA DC:0-4V 0-8mA
0-400V
0-1000mA
Measurment
Error
<㊣1%
Resolution
0.1uA
0.5mV
0.01mA
Transform
Reading
At the same time read voltage, current

I=U/500
Transformation
impedance measuring
open-circuit voltage
Measurment
Means
CMRR>40dB floating earth test or earth test

IEC 60950
5.1.3 Test circuit ㄩSingle-phase test circuit auto ranging
Three-phase measuring power option A.B.


Display Waveform


FFT Transform
Input power: 1 90V-270V 47Hz-63Hz
Output voltage: isolating power;1:1,1 THD0.1%; frequency converter option
Tempㄩ0∼-55∼ㄗoperationㄘ-40∼-85∼ㄗnon-operationㄘ˙ Humidityㄩ0-95%ㄗnon-concretingㄘ
Weight: 80Kg ˙Volumeㄩ 715x470x1875(mm)