Extech Instruments 7630 Operation Manual page 69

State 7：S1：OPEN、S2：A 、S3：CLOSED
State 8：S1：OPEN、S2：B、S3：CLOSED
4.3.3.6 Meas. Device Setting
Please use the up and down arrow keys or the ENTER key and scroll the highlighted area to
the Meas. Device parameter. The display will appear as follows:
The Measuring Device is an impedance circuit that simulates the human body. The
Measuring device is specified differently for different agencies, applications and specifications.
Repeatedly pressing the Measure Device soft key will allow you to select one of the many
measuring devices listed in the table below. The table below indicates the available
measuring devices and the appropriate agency standard to which it correlates.
Cross Reference GPIB / RS-232
Letter Command
MD1 EM4 (U2)
EM5 (U1)
MD2 EM6 (U3)
EM7 (U1)
MD3 EM2
MD4 EM1
Agency Specification
IEC60990(Fig 4 U1 & U2)、IEC60598-1、
IEC60950-1、 IEC60065、 IEC61010、
IEC60335-1
IEC60990(Fig 5 U1 & U3) , IEC60598-1
IEC60601-1
UL544P
Application
Weighted Touch Current,
Luminaries, Information Technology,
Audio & video, Laboratory Equipment,
Safety of household
Medical Equipment.
Medical Equipment.
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